diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
index dc4bf0784e2d1..22dcd324529c4 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -1628,6 +1628,19 @@ RISCVTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
                  getRISCVInstructionCost(RISCV::VADD_VX, LT.second, CostKind);
     return 1 + (LT.first - 1);
   }
+  case Intrinsic::vector_splice_left:
+  case Intrinsic::vector_splice_right: {
+    auto LT = getTypeLegalizationCost(RetTy);
+    // Constant offsets fall through to getShuffleCost.
+    if (!ICA.isTypeBasedOnly() && isa<ConstantInt>(ICA.getArgs()[2]))
+      break;
+    if (ST->hasVInstructions() && LT.second.isVector()) {
+      return LT.first *
+             getRISCVInstructionCost({RISCV::VSLIDEDOWN_VX, RISCV::VSLIDEUP_VX},
+                                     LT.second, CostKind);
+    }
+    break;
+  }
   case Intrinsic::experimental_cttz_elts: {
     Type *ArgTy = ICA.getArgTypes()[0];
     EVT ArgType = TLI->getValueType(DL, ArgTy, true);
diff --git a/llvm/test/Analysis/CostModel/RISCV/rvv-shuffle.ll b/llvm/test/Analysis/CostModel/RISCV/rvv-shuffle.ll
index 56b8aa343310b..5830a358a0c1a 100644
--- a/llvm/test/Analysis/CostModel/RISCV/rvv-shuffle.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/rvv-shuffle.ll
@@ -148,39 +148,22 @@ define void @vector_reverse() {
 }
 
 define void @vector_splice() {
-; ARGBASED-LABEL: 'vector_splice'
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %1 = call <vscale x 16 x i8> @llvm.vector.splice.left.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %2 = call <vscale x 32 x i8> @llvm.vector.splice.left.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %3 = call <vscale x 2 x i16> @llvm.vector.splice.left.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %4 = call <vscale x 4 x i16> @llvm.vector.splice.left.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %5 = call <vscale x 8 x i16> @llvm.vector.splice.left.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %6 = call <vscale x 16 x i16> @llvm.vector.splice.left.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %7 = call <vscale x 4 x i32> @llvm.vector.splice.left.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %8 = call <vscale x 8 x i32> @llvm.vector.splice.left.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %9 = call <vscale x 2 x i64> @llvm.vector.splice.left.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %10 = call <vscale x 4 x i64> @llvm.vector.splice.left.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %11 = call <vscale x 16 x i1> @llvm.vector.splice.left.nxv16i1(<vscale x 16 x i1> zeroinitializer, <vscale x 16 x i1> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %12 = call <vscale x 8 x i1> @llvm.vector.splice.left.nxv8i1(<vscale x 8 x i1> zeroinitializer, <vscale x 8 x i1> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %13 = call <vscale x 4 x i1> @llvm.vector.splice.left.nxv4i1(<vscale x 4 x i1> zeroinitializer, <vscale x 4 x i1> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %14 = call <vscale x 2 x i1> @llvm.vector.splice.left.nxv2i1(<vscale x 2 x i1> zeroinitializer, <vscale x 2 x i1> zeroinitializer, i32 1)
-; ARGBASED-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
-;
-; TYPEBASED-LABEL: 'vector_splice'
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %1 = call <vscale x 16 x i8> @llvm.vector.splice.left.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %2 = call <vscale x 32 x i8> @llvm.vector.splice.left.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %3 = call <vscale x 2 x i16> @llvm.vector.splice.left.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %4 = call <vscale x 4 x i16> @llvm.vector.splice.left.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %5 = call <vscale x 8 x i16> @llvm.vector.splice.left.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %6 = call <vscale x 16 x i16> @llvm.vector.splice.left.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %7 = call <vscale x 4 x i32> @llvm.vector.splice.left.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %8 = call <vscale x 8 x i32> @llvm.vector.splice.left.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %9 = call <vscale x 2 x i64> @llvm.vector.splice.left.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %10 = call <vscale x 4 x i64> @llvm.vector.splice.left.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %11 = call <vscale x 16 x i1> @llvm.vector.splice.left.nxv16i1(<vscale x 16 x i1> zeroinitializer, <vscale x 16 x i1> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %12 = call <vscale x 8 x i1> @llvm.vector.splice.left.nxv8i1(<vscale x 8 x i1> zeroinitializer, <vscale x 8 x i1> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %13 = call <vscale x 4 x i1> @llvm.vector.splice.left.nxv4i1(<vscale x 4 x i1> zeroinitializer, <vscale x 4 x i1> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Invalid cost for instruction: %14 = call <vscale x 2 x i1> @llvm.vector.splice.left.nxv2i1(<vscale x 2 x i1> zeroinitializer, <vscale x 2 x i1> zeroinitializer, i32 1)
-; TYPEBASED-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
+; CHECK-LABEL: 'vector_splice'
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %1 = call <vscale x 16 x i8> @llvm.vector.splice.left.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %2 = call <vscale x 32 x i8> @llvm.vector.splice.left.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %3 = call <vscale x 2 x i16> @llvm.vector.splice.left.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %4 = call <vscale x 4 x i16> @llvm.vector.splice.left.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %5 = call <vscale x 8 x i16> @llvm.vector.splice.left.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %6 = call <vscale x 16 x i16> @llvm.vector.splice.left.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %7 = call <vscale x 4 x i32> @llvm.vector.splice.left.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %8 = call <vscale x 8 x i32> @llvm.vector.splice.left.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %9 = call <vscale x 2 x i64> @llvm.vector.splice.left.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %10 = call <vscale x 4 x i64> @llvm.vector.splice.left.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %11 = call <vscale x 16 x i1> @llvm.vector.splice.left.nxv16i1(<vscale x 16 x i1> zeroinitializer, <vscale x 16 x i1> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %12 = call <vscale x 8 x i1> @llvm.vector.splice.left.nxv8i1(<vscale x 8 x i1> zeroinitializer, <vscale x 8 x i1> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %13 = call <vscale x 4 x i1> @llvm.vector.splice.left.nxv4i1(<vscale x 4 x i1> zeroinitializer, <vscale x 4 x i1> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %14 = call <vscale x 2 x i1> @llvm.vector.splice.left.nxv2i1(<vscale x 2 x i1> zeroinitializer, <vscale x 2 x i1> zeroinitializer, i32 1)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
 ;
 ; SIZE-LABEL: 'vector_splice'
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %1 = call <vscale x 16 x i8> @llvm.vector.splice.left.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 1)
diff --git a/llvm/test/Analysis/CostModel/RISCV/splice.ll b/llvm/test/Analysis/CostModel/RISCV/splice.ll
index 5250c3dc1171a..0dad42c945809 100644
--- a/llvm/test/Analysis/CostModel/RISCV/splice.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/splice.ll
@@ -4,7 +4,7 @@
 ; RUN: opt < %s -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -S -mtriple=riscv64 -mattr=+v,+f,+d,+zfh,+zvfh | FileCheck %s --check-prefix=SIZE
 ; RUN: opt < %s -passes="print<cost-model>" -cost-kind=code-size 2>&1 -disable-output -S -mtriple=riscv64 -mattr=+v,+f,+d,+zfh,+zvfhmin | FileCheck %s --check-prefix=SIZE
 
-define void @vector_splice(i32 zeroext %offset) {
+define void @vector_splice() {
 ; CHECK-LABEL: 'vector_splice'
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %1 = call <vscale x 1 x i8> @llvm.vector.splice.right.nxv1i8(<vscale x 1 x i8> zeroinitializer, <vscale x 1 x i8> zeroinitializer, i32 1)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %2 = call <vscale x 2 x i8> @llvm.vector.splice.right.nxv2i8(<vscale x 2 x i8> zeroinitializer, <vscale x 2 x i8> zeroinitializer, i32 1)
@@ -62,8 +62,6 @@ define void @vector_splice(i32 zeroext %offset) {
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %54 = call <vscale x 16 x double> @llvm.vector.splice.right.nxv16f64(<vscale x 16 x double> zeroinitializer, <vscale x 16 x double> zeroinitializer, i32 1)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %55 = call <vscale x 32 x double> @llvm.vector.splice.right.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 1)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 128 for instruction: %56 = call <vscale x 64 x double> @llvm.vector.splice.right.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 1)
-; CHECK-NEXT:  Cost Model: Invalid cost for instruction: %left.variable = call <vscale x 4 x i32> @llvm.vector.splice.left.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
-; CHECK-NEXT:  Cost Model: Invalid cost for instruction: %right.variable = call <vscale x 4 x i32> @llvm.vector.splice.right.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
 ;
 ; SIZE-LABEL: 'vector_splice'
@@ -123,8 +121,6 @@ define void @vector_splice(i32 zeroext %offset) {
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %54 = call <vscale x 16 x double> @llvm.vector.splice.right.nxv16f64(<vscale x 16 x double> zeroinitializer, <vscale x 16 x double> zeroinitializer, i32 1)
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %55 = call <vscale x 32 x double> @llvm.vector.splice.right.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 1)
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %56 = call <vscale x 64 x double> @llvm.vector.splice.right.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 1)
-; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %left.variable = call <vscale x 4 x i32> @llvm.vector.splice.left.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
-; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %right.variable = call <vscale x 4 x i32> @llvm.vector.splice.right.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
 ; SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
 ;
   %splice.nxv1i8 = call <vscale x 1 x i8> @llvm.vector.splice.nxv1i8(<vscale x 1 x i8> zeroinitializer, <vscale x 1 x i8> zeroinitializer, i32 -1)
@@ -191,8 +187,377 @@ define void @vector_splice(i32 zeroext %offset) {
   %splice.nxv32f64 = call <vscale x 32 x double> @llvm.vector.splice.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 -1)
   %splice.nxv64f64 = call <vscale x 64 x double> @llvm.vector.splice.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 -1)
 
-  %left.variable = call <vscale x 4 x i32> @llvm.vector.splice.left(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
-  %right.variable = call <vscale x 4 x i32> @llvm.vector.splice.right(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
+  ret void
+}
+
+define void @vector_splice_left_variable(i32 zeroext %offset) {
+; CHECK-LABEL: 'vector_splice_left_variable'
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i8 = call <vscale x 1 x i8> @llvm.vector.splice.left.nxv1i8(<vscale x 1 x i8> zeroinitializer, <vscale x 1 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i8 = call <vscale x 2 x i8> @llvm.vector.splice.left.nxv2i8(<vscale x 2 x i8> zeroinitializer, <vscale x 2 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i8 = call <vscale x 4 x i8> @llvm.vector.splice.left.nxv4i8(<vscale x 4 x i8> zeroinitializer, <vscale x 4 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i8 = call <vscale x 8 x i8> @llvm.vector.splice.left.nxv8i8(<vscale x 8 x i8> zeroinitializer, <vscale x 8 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv16i8 = call <vscale x 16 x i8> @llvm.vector.splice.left.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv32i8 = call <vscale x 32 x i8> @llvm.vector.splice.left.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv64i8 = call <vscale x 64 x i8> @llvm.vector.splice.left.nxv64i8(<vscale x 64 x i8> zeroinitializer, <vscale x 64 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i16 = call <vscale x 1 x i16> @llvm.vector.splice.left.nxv1i16(<vscale x 1 x i16> zeroinitializer, <vscale x 1 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i16 = call <vscale x 2 x i16> @llvm.vector.splice.left.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i16 = call <vscale x 4 x i16> @llvm.vector.splice.left.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv8i16 = call <vscale x 8 x i16> @llvm.vector.splice.left.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv16i16 = call <vscale x 16 x i16> @llvm.vector.splice.left.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv32i16 = call <vscale x 32 x i16> @llvm.vector.splice.left.nxv32i16(<vscale x 32 x i16> zeroinitializer, <vscale x 32 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv64i16 = call <vscale x 64 x i16> @llvm.vector.splice.left.nxv64i16(<vscale x 64 x i16> zeroinitializer, <vscale x 64 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i32 = call <vscale x 1 x i32> @llvm.vector.splice.left.nxv1i32(<vscale x 1 x i32> zeroinitializer, <vscale x 1 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i32 = call <vscale x 2 x i32> @llvm.vector.splice.left.nxv2i32(<vscale x 2 x i32> zeroinitializer, <vscale x 2 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv4i32 = call <vscale x 4 x i32> @llvm.vector.splice.left.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv8i32 = call <vscale x 8 x i32> @llvm.vector.splice.left.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv16i32 = call <vscale x 16 x i32> @llvm.vector.splice.left.nxv16i32(<vscale x 16 x i32> zeroinitializer, <vscale x 16 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv32i32 = call <vscale x 32 x i32> @llvm.vector.splice.left.nxv32i32(<vscale x 32 x i32> zeroinitializer, <vscale x 32 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %splice.nxv64i32 = call <vscale x 64 x i32> @llvm.vector.splice.left.nxv64i32(<vscale x 64 x i32> zeroinitializer, <vscale x 64 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i64 = call <vscale x 1 x i64> @llvm.vector.splice.left.nxv1i64(<vscale x 1 x i64> zeroinitializer, <vscale x 1 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv2i64 = call <vscale x 2 x i64> @llvm.vector.splice.left.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv4i64 = call <vscale x 4 x i64> @llvm.vector.splice.left.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv8i64 = call <vscale x 8 x i64> @llvm.vector.splice.left.nxv8i64(<vscale x 8 x i64> zeroinitializer, <vscale x 8 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv16i64 = call <vscale x 16 x i64> @llvm.vector.splice.left.nxv16i64(<vscale x 16 x i64> zeroinitializer, <vscale x 16 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %splice.nxv32i64 = call <vscale x 32 x i64> @llvm.vector.splice.left.nxv32i64(<vscale x 32 x i64> zeroinitializer, <vscale x 32 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 128 for instruction: %splice.nxv64i64 = call <vscale x 64 x i64> @llvm.vector.splice.left.nxv64i64(<vscale x 64 x i64> zeroinitializer, <vscale x 64 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1bf16 = call <vscale x 1 x bfloat> @llvm.vector.splice.left.nxv1bf16(<vscale x 1 x bfloat> zeroinitializer, <vscale x 1 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2bf16 = call <vscale x 2 x bfloat> @llvm.vector.splice.left.nxv2bf16(<vscale x 2 x bfloat> zeroinitializer, <vscale x 2 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4bf16 = call <vscale x 4 x bfloat> @llvm.vector.splice.left.nxv4bf16(<vscale x 4 x bfloat> zeroinitializer, <vscale x 4 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv8bf16 = call <vscale x 8 x bfloat> @llvm.vector.splice.left.nxv8bf16(<vscale x 8 x bfloat> zeroinitializer, <vscale x 8 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv16bf16 = call <vscale x 16 x bfloat> @llvm.vector.splice.left.nxv16bf16(<vscale x 16 x bfloat> zeroinitializer, <vscale x 16 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv32bf16 = call <vscale x 32 x bfloat> @llvm.vector.splice.left.nxv32bf16(<vscale x 32 x bfloat> zeroinitializer, <vscale x 32 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv64bf16 = call <vscale x 64 x bfloat> @llvm.vector.splice.left.nxv64bf16(<vscale x 64 x bfloat> zeroinitializer, <vscale x 64 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f16 = call <vscale x 1 x half> @llvm.vector.splice.left.nxv1f16(<vscale x 1 x half> zeroinitializer, <vscale x 1 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f16 = call <vscale x 2 x half> @llvm.vector.splice.left.nxv2f16(<vscale x 2 x half> zeroinitializer, <vscale x 2 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4f16 = call <vscale x 4 x half> @llvm.vector.splice.left.nxv4f16(<vscale x 4 x half> zeroinitializer, <vscale x 4 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv8f16 = call <vscale x 8 x half> @llvm.vector.splice.left.nxv8f16(<vscale x 8 x half> zeroinitializer, <vscale x 8 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv16f16 = call <vscale x 16 x half> @llvm.vector.splice.left.nxv16f16(<vscale x 16 x half> zeroinitializer, <vscale x 16 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv32f16 = call <vscale x 32 x half> @llvm.vector.splice.left.nxv32f16(<vscale x 32 x half> zeroinitializer, <vscale x 32 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv64f16 = call <vscale x 64 x half> @llvm.vector.splice.left.nxv64f16(<vscale x 64 x half> zeroinitializer, <vscale x 64 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f32 = call <vscale x 1 x float> @llvm.vector.splice.left.nxv1f32(<vscale x 1 x float> zeroinitializer, <vscale x 1 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f32 = call <vscale x 2 x float> @llvm.vector.splice.left.nxv2f32(<vscale x 2 x float> zeroinitializer, <vscale x 2 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv4f32 = call <vscale x 4 x float> @llvm.vector.splice.left.nxv4f32(<vscale x 4 x float> zeroinitializer, <vscale x 4 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv8f32 = call <vscale x 8 x float> @llvm.vector.splice.left.nxv8f32(<vscale x 8 x float> zeroinitializer, <vscale x 8 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv16f32 = call <vscale x 16 x float> @llvm.vector.splice.left.nxv16f32(<vscale x 16 x float> zeroinitializer, <vscale x 16 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv32f32 = call <vscale x 32 x float> @llvm.vector.splice.left.nxv32f32(<vscale x 32 x float> zeroinitializer, <vscale x 32 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %splice.nxv64f32 = call <vscale x 64 x float> @llvm.vector.splice.left.nxv64f32(<vscale x 64 x float> zeroinitializer, <vscale x 64 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f64 = call <vscale x 1 x double> @llvm.vector.splice.left.nxv1f64(<vscale x 1 x double> zeroinitializer, <vscale x 1 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv2f64 = call <vscale x 2 x double> @llvm.vector.splice.left.nxv2f64(<vscale x 2 x double> zeroinitializer, <vscale x 2 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv4f64 = call <vscale x 4 x double> @llvm.vector.splice.left.nxv4f64(<vscale x 4 x double> zeroinitializer, <vscale x 4 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv8f64 = call <vscale x 8 x double> @llvm.vector.splice.left.nxv8f64(<vscale x 8 x double> zeroinitializer, <vscale x 8 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv16f64 = call <vscale x 16 x double> @llvm.vector.splice.left.nxv16f64(<vscale x 16 x double> zeroinitializer, <vscale x 16 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %splice.nxv32f64 = call <vscale x 32 x double> @llvm.vector.splice.left.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 128 for instruction: %splice.nxv64f64 = call <vscale x 64 x double> @llvm.vector.splice.left.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
+;
+; SIZE-LABEL: 'vector_splice_left_variable'
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i8 = call <vscale x 1 x i8> @llvm.vector.splice.left.nxv1i8(<vscale x 1 x i8> zeroinitializer, <vscale x 1 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i8 = call <vscale x 2 x i8> @llvm.vector.splice.left.nxv2i8(<vscale x 2 x i8> zeroinitializer, <vscale x 2 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i8 = call <vscale x 4 x i8> @llvm.vector.splice.left.nxv4i8(<vscale x 4 x i8> zeroinitializer, <vscale x 4 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i8 = call <vscale x 8 x i8> @llvm.vector.splice.left.nxv8i8(<vscale x 8 x i8> zeroinitializer, <vscale x 8 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16i8 = call <vscale x 16 x i8> @llvm.vector.splice.left.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv32i8 = call <vscale x 32 x i8> @llvm.vector.splice.left.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv64i8 = call <vscale x 64 x i8> @llvm.vector.splice.left.nxv64i8(<vscale x 64 x i8> zeroinitializer, <vscale x 64 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i16 = call <vscale x 1 x i16> @llvm.vector.splice.left.nxv1i16(<vscale x 1 x i16> zeroinitializer, <vscale x 1 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i16 = call <vscale x 2 x i16> @llvm.vector.splice.left.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i16 = call <vscale x 4 x i16> @llvm.vector.splice.left.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i16 = call <vscale x 8 x i16> @llvm.vector.splice.left.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16i16 = call <vscale x 16 x i16> @llvm.vector.splice.left.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv32i16 = call <vscale x 32 x i16> @llvm.vector.splice.left.nxv32i16(<vscale x 32 x i16> zeroinitializer, <vscale x 32 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv64i16 = call <vscale x 64 x i16> @llvm.vector.splice.left.nxv64i16(<vscale x 64 x i16> zeroinitializer, <vscale x 64 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i32 = call <vscale x 1 x i32> @llvm.vector.splice.left.nxv1i32(<vscale x 1 x i32> zeroinitializer, <vscale x 1 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i32 = call <vscale x 2 x i32> @llvm.vector.splice.left.nxv2i32(<vscale x 2 x i32> zeroinitializer, <vscale x 2 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i32 = call <vscale x 4 x i32> @llvm.vector.splice.left.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i32 = call <vscale x 8 x i32> @llvm.vector.splice.left.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16i32 = call <vscale x 16 x i32> @llvm.vector.splice.left.nxv16i32(<vscale x 16 x i32> zeroinitializer, <vscale x 16 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv32i32 = call <vscale x 32 x i32> @llvm.vector.splice.left.nxv32i32(<vscale x 32 x i32> zeroinitializer, <vscale x 32 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv64i32 = call <vscale x 64 x i32> @llvm.vector.splice.left.nxv64i32(<vscale x 64 x i32> zeroinitializer, <vscale x 64 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i64 = call <vscale x 1 x i64> @llvm.vector.splice.left.nxv1i64(<vscale x 1 x i64> zeroinitializer, <vscale x 1 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i64 = call <vscale x 2 x i64> @llvm.vector.splice.left.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i64 = call <vscale x 4 x i64> @llvm.vector.splice.left.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i64 = call <vscale x 8 x i64> @llvm.vector.splice.left.nxv8i64(<vscale x 8 x i64> zeroinitializer, <vscale x 8 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv16i64 = call <vscale x 16 x i64> @llvm.vector.splice.left.nxv16i64(<vscale x 16 x i64> zeroinitializer, <vscale x 16 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv32i64 = call <vscale x 32 x i64> @llvm.vector.splice.left.nxv32i64(<vscale x 32 x i64> zeroinitializer, <vscale x 32 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv64i64 = call <vscale x 64 x i64> @llvm.vector.splice.left.nxv64i64(<vscale x 64 x i64> zeroinitializer, <vscale x 64 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv1bf16 = call <vscale x 1 x bfloat> @llvm.vector.splice.left.nxv1bf16(<vscale x 1 x bfloat> zeroinitializer, <vscale x 1 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv2bf16 = call <vscale x 2 x bfloat> @llvm.vector.splice.left.nxv2bf16(<vscale x 2 x bfloat> zeroinitializer, <vscale x 2 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv4bf16 = call <vscale x 4 x bfloat> @llvm.vector.splice.left.nxv4bf16(<vscale x 4 x bfloat> zeroinitializer, <vscale x 4 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv8bf16 = call <vscale x 8 x bfloat> @llvm.vector.splice.left.nxv8bf16(<vscale x 8 x bfloat> zeroinitializer, <vscale x 8 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv16bf16 = call <vscale x 16 x bfloat> @llvm.vector.splice.left.nxv16bf16(<vscale x 16 x bfloat> zeroinitializer, <vscale x 16 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv32bf16 = call <vscale x 32 x bfloat> @llvm.vector.splice.left.nxv32bf16(<vscale x 32 x bfloat> zeroinitializer, <vscale x 32 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv64bf16 = call <vscale x 64 x bfloat> @llvm.vector.splice.left.nxv64bf16(<vscale x 64 x bfloat> zeroinitializer, <vscale x 64 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f16 = call <vscale x 1 x half> @llvm.vector.splice.left.nxv1f16(<vscale x 1 x half> zeroinitializer, <vscale x 1 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f16 = call <vscale x 2 x half> @llvm.vector.splice.left.nxv2f16(<vscale x 2 x half> zeroinitializer, <vscale x 2 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4f16 = call <vscale x 4 x half> @llvm.vector.splice.left.nxv4f16(<vscale x 4 x half> zeroinitializer, <vscale x 4 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8f16 = call <vscale x 8 x half> @llvm.vector.splice.left.nxv8f16(<vscale x 8 x half> zeroinitializer, <vscale x 8 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16f16 = call <vscale x 16 x half> @llvm.vector.splice.left.nxv16f16(<vscale x 16 x half> zeroinitializer, <vscale x 16 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv32f16 = call <vscale x 32 x half> @llvm.vector.splice.left.nxv32f16(<vscale x 32 x half> zeroinitializer, <vscale x 32 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv64f16 = call <vscale x 64 x half> @llvm.vector.splice.left.nxv64f16(<vscale x 64 x half> zeroinitializer, <vscale x 64 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f32 = call <vscale x 1 x float> @llvm.vector.splice.left.nxv1f32(<vscale x 1 x float> zeroinitializer, <vscale x 1 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f32 = call <vscale x 2 x float> @llvm.vector.splice.left.nxv2f32(<vscale x 2 x float> zeroinitializer, <vscale x 2 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4f32 = call <vscale x 4 x float> @llvm.vector.splice.left.nxv4f32(<vscale x 4 x float> zeroinitializer, <vscale x 4 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8f32 = call <vscale x 8 x float> @llvm.vector.splice.left.nxv8f32(<vscale x 8 x float> zeroinitializer, <vscale x 8 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16f32 = call <vscale x 16 x float> @llvm.vector.splice.left.nxv16f32(<vscale x 16 x float> zeroinitializer, <vscale x 16 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv32f32 = call <vscale x 32 x float> @llvm.vector.splice.left.nxv32f32(<vscale x 32 x float> zeroinitializer, <vscale x 32 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv64f32 = call <vscale x 64 x float> @llvm.vector.splice.left.nxv64f32(<vscale x 64 x float> zeroinitializer, <vscale x 64 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f64 = call <vscale x 1 x double> @llvm.vector.splice.left.nxv1f64(<vscale x 1 x double> zeroinitializer, <vscale x 1 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f64 = call <vscale x 2 x double> @llvm.vector.splice.left.nxv2f64(<vscale x 2 x double> zeroinitializer, <vscale x 2 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4f64 = call <vscale x 4 x double> @llvm.vector.splice.left.nxv4f64(<vscale x 4 x double> zeroinitializer, <vscale x 4 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8f64 = call <vscale x 8 x double> @llvm.vector.splice.left.nxv8f64(<vscale x 8 x double> zeroinitializer, <vscale x 8 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv16f64 = call <vscale x 16 x double> @llvm.vector.splice.left.nxv16f64(<vscale x 16 x double> zeroinitializer, <vscale x 16 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv32f64 = call <vscale x 32 x double> @llvm.vector.splice.left.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv64f64 = call <vscale x 64 x double> @llvm.vector.splice.left.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+  %splice.nxv1i8 = call <vscale x 1 x i8> @llvm.vector.splice.left.nxv1i8(<vscale x 1 x i8> zeroinitializer, <vscale x 1 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv2i8 = call <vscale x 2 x i8> @llvm.vector.splice.left.nxv2i8(<vscale x 2 x i8> zeroinitializer, <vscale x 2 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv4i8 = call <vscale x 4 x i8> @llvm.vector.splice.left.nxv4i8(<vscale x 4 x i8> zeroinitializer, <vscale x 4 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv8i8 = call <vscale x 8 x i8> @llvm.vector.splice.left.nxv8i8(<vscale x 8 x i8> zeroinitializer, <vscale x 8 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv16i8 = call <vscale x 16 x i8> @llvm.vector.splice.left.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv32i8 = call <vscale x 32 x i8> @llvm.vector.splice.left.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv64i8 = call <vscale x 64 x i8> @llvm.vector.splice.left.nxv64i8(<vscale x 64 x i8> zeroinitializer, <vscale x 64 x i8> zeroinitializer, i32 %offset)
+
+  %splice.nxv1i16 = call <vscale x 1 x i16> @llvm.vector.splice.left.nxv1i16(<vscale x 1 x i16> zeroinitializer, <vscale x 1 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv2i16 = call <vscale x 2 x i16> @llvm.vector.splice.left.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv4i16 = call <vscale x 4 x i16> @llvm.vector.splice.left.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv8i16 = call <vscale x 8 x i16> @llvm.vector.splice.left.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv16i16 = call <vscale x 16 x i16> @llvm.vector.splice.left.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv32i16 = call <vscale x 32 x i16> @llvm.vector.splice.left.nxv32i16(<vscale x 32 x i16> zeroinitializer, <vscale x 32 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv64i16 = call <vscale x 64 x i16> @llvm.vector.splice.left.nxv64i16(<vscale x 64 x i16> zeroinitializer, <vscale x 64 x i16> zeroinitializer, i32 %offset)
+
+  %splice.nxv1i32 = call <vscale x 1 x i32> @llvm.vector.splice.left.nxv1i32(<vscale x 1 x i32> zeroinitializer, <vscale x 1 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv2i32 = call <vscale x 2 x i32> @llvm.vector.splice.left.nxv2i32(<vscale x 2 x i32> zeroinitializer, <vscale x 2 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv4i32 = call <vscale x 4 x i32> @llvm.vector.splice.left.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv8i32 = call <vscale x 8 x i32> @llvm.vector.splice.left.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv16i32 = call <vscale x 16 x i32> @llvm.vector.splice.left.nxv16i32(<vscale x 16 x i32> zeroinitializer, <vscale x 16 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv32i32 = call <vscale x 32 x i32> @llvm.vector.splice.left.nxv32i32(<vscale x 32 x i32> zeroinitializer, <vscale x 32 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv64i32 = call <vscale x 64 x i32> @llvm.vector.splice.left.nxv64i32(<vscale x 64 x i32> zeroinitializer, <vscale x 64 x i32> zeroinitializer, i32 %offset)
+
+  %splice.nxv1i64 = call <vscale x 1 x i64> @llvm.vector.splice.left.nxv1i64(<vscale x 1 x i64> zeroinitializer, <vscale x 1 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv2i64 = call <vscale x 2 x i64> @llvm.vector.splice.left.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv4i64 = call <vscale x 4 x i64> @llvm.vector.splice.left.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv8i64 = call <vscale x 8 x i64> @llvm.vector.splice.left.nxv8i64(<vscale x 8 x i64> zeroinitializer, <vscale x 8 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv16i64 = call <vscale x 16 x i64> @llvm.vector.splice.left.nxv16i64(<vscale x 16 x i64> zeroinitializer, <vscale x 16 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv32i64 = call <vscale x 32 x i64> @llvm.vector.splice.left.nxv32i64(<vscale x 32 x i64> zeroinitializer, <vscale x 32 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv64i64 = call <vscale x 64 x i64> @llvm.vector.splice.left.nxv64i64(<vscale x 64 x i64> zeroinitializer, <vscale x 64 x i64> zeroinitializer, i32 %offset)
+
+  %splice.nxv1bf16 = call <vscale x 1 x bfloat> @llvm.vector.splice.left.nxv1bf16(<vscale x 1 x bfloat> zeroinitializer, <vscale x 1 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv2bf16 = call <vscale x 2 x bfloat> @llvm.vector.splice.left.nxv2bf16(<vscale x 2 x bfloat> zeroinitializer, <vscale x 2 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv4bf16 = call <vscale x 4 x bfloat> @llvm.vector.splice.left.nxv4bf16(<vscale x 4 x bfloat> zeroinitializer, <vscale x 4 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv8bf16 = call <vscale x 8 x bfloat> @llvm.vector.splice.left.nxv8bf16(<vscale x 8 x bfloat> zeroinitializer, <vscale x 8 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv16bf16 = call <vscale x 16 x bfloat> @llvm.vector.splice.left.nxv16bf16(<vscale x 16 x bfloat> zeroinitializer, <vscale x 16 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv32bf16 = call <vscale x 32 x bfloat> @llvm.vector.splice.left.nxv32bf16(<vscale x 32 x bfloat> zeroinitializer, <vscale x 32 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv64bf16 = call <vscale x 64 x bfloat> @llvm.vector.splice.left.nxv64bf16(<vscale x 64 x bfloat> zeroinitializer, <vscale x 64 x bfloat> zeroinitializer, i32 %offset)
+
+  %splice.nxv1f16 = call <vscale x 1 x half> @llvm.vector.splice.left.nxv1f16(<vscale x 1 x half> zeroinitializer, <vscale x 1 x half> zeroinitializer, i32 %offset)
+  %splice.nxv2f16 = call <vscale x 2 x half> @llvm.vector.splice.left.nxv2f16(<vscale x 2 x half> zeroinitializer, <vscale x 2 x half> zeroinitializer, i32 %offset)
+  %splice.nxv4f16 = call <vscale x 4 x half> @llvm.vector.splice.left.nxv4f16(<vscale x 4 x half> zeroinitializer, <vscale x 4 x half> zeroinitializer, i32 %offset)
+  %splice.nxv8f16 = call <vscale x 8 x half> @llvm.vector.splice.left.nxv8f16(<vscale x 8 x half> zeroinitializer, <vscale x 8 x half> zeroinitializer, i32 %offset)
+  %splice.nxv16f16 = call <vscale x 16 x half> @llvm.vector.splice.left.nxv16f16(<vscale x 16 x half> zeroinitializer, <vscale x 16 x half> zeroinitializer, i32 %offset)
+  %splice.nxv32f16 = call <vscale x 32 x half> @llvm.vector.splice.left.nxv32f16(<vscale x 32 x half> zeroinitializer, <vscale x 32 x half> zeroinitializer, i32 %offset)
+  %splice.nxv64f16 = call <vscale x 64 x half> @llvm.vector.splice.left.nxv64f16(<vscale x 64 x half> zeroinitializer, <vscale x 64 x half> zeroinitializer, i32 %offset)
+
+  %splice.nxv1f32 = call <vscale x 1 x float> @llvm.vector.splice.left.nxv1f32(<vscale x 1 x float> zeroinitializer, <vscale x 1 x float> zeroinitializer, i32 %offset)
+  %splice.nxv2f32 = call <vscale x 2 x float> @llvm.vector.splice.left.nxv2f32(<vscale x 2 x float> zeroinitializer, <vscale x 2 x float> zeroinitializer, i32 %offset)
+  %splice.nxv4f32 = call <vscale x 4 x float> @llvm.vector.splice.left.nxv4f32(<vscale x 4 x float> zeroinitializer, <vscale x 4 x float> zeroinitializer, i32 %offset)
+  %splice.nxv8f32 = call <vscale x 8 x float> @llvm.vector.splice.left.nxv8f32(<vscale x 8 x float> zeroinitializer, <vscale x 8 x float> zeroinitializer, i32 %offset)
+  %splice.nxv16f32 = call <vscale x 16 x float> @llvm.vector.splice.left.nxv16f32(<vscale x 16 x float> zeroinitializer, <vscale x 16 x float> zeroinitializer, i32 %offset)
+  %splice.nxv32f32 = call <vscale x 32 x float> @llvm.vector.splice.left.nxv32f32(<vscale x 32 x float> zeroinitializer, <vscale x 32 x float> zeroinitializer, i32 %offset)
+  %splice.nxv64f32 = call <vscale x 64 x float> @llvm.vector.splice.left.nxv64f32(<vscale x 64 x float> zeroinitializer, <vscale x 64 x float> zeroinitializer, i32 %offset)
+
+  %splice.nxv1f64 = call <vscale x 1 x double> @llvm.vector.splice.left.nxv1f64(<vscale x 1 x double> zeroinitializer, <vscale x 1 x double> zeroinitializer, i32 %offset)
+  %splice.nxv2f64 = call <vscale x 2 x double> @llvm.vector.splice.left.nxv2f64(<vscale x 2 x double> zeroinitializer, <vscale x 2 x double> zeroinitializer, i32 %offset)
+  %splice.nxv4f64 = call <vscale x 4 x double> @llvm.vector.splice.left.nxv4f64(<vscale x 4 x double> zeroinitializer, <vscale x 4 x double> zeroinitializer, i32 %offset)
+  %splice.nxv8f64 = call <vscale x 8 x double> @llvm.vector.splice.left.nxv8f64(<vscale x 8 x double> zeroinitializer, <vscale x 8 x double> zeroinitializer, i32 %offset)
+  %splice.nxv16f64 = call <vscale x 16 x double> @llvm.vector.splice.left.nxv16f64(<vscale x 16 x double> zeroinitializer, <vscale x 16 x double> zeroinitializer, i32 %offset)
+  %splice.nxv32f64 = call <vscale x 32 x double> @llvm.vector.splice.left.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 %offset)
+  %splice.nxv64f64 = call <vscale x 64 x double> @llvm.vector.splice.left.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 %offset)
+
+  ret void
+}
+
+define void @vector_splice_right_variable(i32 zeroext %offset) {
+; CHECK-LABEL: 'vector_splice_right_variable'
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i8 = call <vscale x 1 x i8> @llvm.vector.splice.right.nxv1i8(<vscale x 1 x i8> zeroinitializer, <vscale x 1 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i8 = call <vscale x 2 x i8> @llvm.vector.splice.right.nxv2i8(<vscale x 2 x i8> zeroinitializer, <vscale x 2 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i8 = call <vscale x 4 x i8> @llvm.vector.splice.right.nxv4i8(<vscale x 4 x i8> zeroinitializer, <vscale x 4 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i8 = call <vscale x 8 x i8> @llvm.vector.splice.right.nxv8i8(<vscale x 8 x i8> zeroinitializer, <vscale x 8 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv16i8 = call <vscale x 16 x i8> @llvm.vector.splice.right.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv32i8 = call <vscale x 32 x i8> @llvm.vector.splice.right.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv64i8 = call <vscale x 64 x i8> @llvm.vector.splice.right.nxv64i8(<vscale x 64 x i8> zeroinitializer, <vscale x 64 x i8> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i16 = call <vscale x 1 x i16> @llvm.vector.splice.right.nxv1i16(<vscale x 1 x i16> zeroinitializer, <vscale x 1 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i16 = call <vscale x 2 x i16> @llvm.vector.splice.right.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i16 = call <vscale x 4 x i16> @llvm.vector.splice.right.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv8i16 = call <vscale x 8 x i16> @llvm.vector.splice.right.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv16i16 = call <vscale x 16 x i16> @llvm.vector.splice.right.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv32i16 = call <vscale x 32 x i16> @llvm.vector.splice.right.nxv32i16(<vscale x 32 x i16> zeroinitializer, <vscale x 32 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv64i16 = call <vscale x 64 x i16> @llvm.vector.splice.right.nxv64i16(<vscale x 64 x i16> zeroinitializer, <vscale x 64 x i16> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i32 = call <vscale x 1 x i32> @llvm.vector.splice.right.nxv1i32(<vscale x 1 x i32> zeroinitializer, <vscale x 1 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i32 = call <vscale x 2 x i32> @llvm.vector.splice.right.nxv2i32(<vscale x 2 x i32> zeroinitializer, <vscale x 2 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv4i32 = call <vscale x 4 x i32> @llvm.vector.splice.right.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv8i32 = call <vscale x 8 x i32> @llvm.vector.splice.right.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv16i32 = call <vscale x 16 x i32> @llvm.vector.splice.right.nxv16i32(<vscale x 16 x i32> zeroinitializer, <vscale x 16 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv32i32 = call <vscale x 32 x i32> @llvm.vector.splice.right.nxv32i32(<vscale x 32 x i32> zeroinitializer, <vscale x 32 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %splice.nxv64i32 = call <vscale x 64 x i32> @llvm.vector.splice.right.nxv64i32(<vscale x 64 x i32> zeroinitializer, <vscale x 64 x i32> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i64 = call <vscale x 1 x i64> @llvm.vector.splice.right.nxv1i64(<vscale x 1 x i64> zeroinitializer, <vscale x 1 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv2i64 = call <vscale x 2 x i64> @llvm.vector.splice.right.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv4i64 = call <vscale x 4 x i64> @llvm.vector.splice.right.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv8i64 = call <vscale x 8 x i64> @llvm.vector.splice.right.nxv8i64(<vscale x 8 x i64> zeroinitializer, <vscale x 8 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv16i64 = call <vscale x 16 x i64> @llvm.vector.splice.right.nxv16i64(<vscale x 16 x i64> zeroinitializer, <vscale x 16 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %splice.nxv32i64 = call <vscale x 32 x i64> @llvm.vector.splice.right.nxv32i64(<vscale x 32 x i64> zeroinitializer, <vscale x 32 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 128 for instruction: %splice.nxv64i64 = call <vscale x 64 x i64> @llvm.vector.splice.right.nxv64i64(<vscale x 64 x i64> zeroinitializer, <vscale x 64 x i64> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1bf16 = call <vscale x 1 x bfloat> @llvm.vector.splice.right.nxv1bf16(<vscale x 1 x bfloat> zeroinitializer, <vscale x 1 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2bf16 = call <vscale x 2 x bfloat> @llvm.vector.splice.right.nxv2bf16(<vscale x 2 x bfloat> zeroinitializer, <vscale x 2 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4bf16 = call <vscale x 4 x bfloat> @llvm.vector.splice.right.nxv4bf16(<vscale x 4 x bfloat> zeroinitializer, <vscale x 4 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv8bf16 = call <vscale x 8 x bfloat> @llvm.vector.splice.right.nxv8bf16(<vscale x 8 x bfloat> zeroinitializer, <vscale x 8 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv16bf16 = call <vscale x 16 x bfloat> @llvm.vector.splice.right.nxv16bf16(<vscale x 16 x bfloat> zeroinitializer, <vscale x 16 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv32bf16 = call <vscale x 32 x bfloat> @llvm.vector.splice.right.nxv32bf16(<vscale x 32 x bfloat> zeroinitializer, <vscale x 32 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv64bf16 = call <vscale x 64 x bfloat> @llvm.vector.splice.right.nxv64bf16(<vscale x 64 x bfloat> zeroinitializer, <vscale x 64 x bfloat> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f16 = call <vscale x 1 x half> @llvm.vector.splice.right.nxv1f16(<vscale x 1 x half> zeroinitializer, <vscale x 1 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f16 = call <vscale x 2 x half> @llvm.vector.splice.right.nxv2f16(<vscale x 2 x half> zeroinitializer, <vscale x 2 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4f16 = call <vscale x 4 x half> @llvm.vector.splice.right.nxv4f16(<vscale x 4 x half> zeroinitializer, <vscale x 4 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv8f16 = call <vscale x 8 x half> @llvm.vector.splice.right.nxv8f16(<vscale x 8 x half> zeroinitializer, <vscale x 8 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv16f16 = call <vscale x 16 x half> @llvm.vector.splice.right.nxv16f16(<vscale x 16 x half> zeroinitializer, <vscale x 16 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv32f16 = call <vscale x 32 x half> @llvm.vector.splice.right.nxv32f16(<vscale x 32 x half> zeroinitializer, <vscale x 32 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv64f16 = call <vscale x 64 x half> @llvm.vector.splice.right.nxv64f16(<vscale x 64 x half> zeroinitializer, <vscale x 64 x half> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f32 = call <vscale x 1 x float> @llvm.vector.splice.right.nxv1f32(<vscale x 1 x float> zeroinitializer, <vscale x 1 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f32 = call <vscale x 2 x float> @llvm.vector.splice.right.nxv2f32(<vscale x 2 x float> zeroinitializer, <vscale x 2 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv4f32 = call <vscale x 4 x float> @llvm.vector.splice.right.nxv4f32(<vscale x 4 x float> zeroinitializer, <vscale x 4 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv8f32 = call <vscale x 8 x float> @llvm.vector.splice.right.nxv8f32(<vscale x 8 x float> zeroinitializer, <vscale x 8 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv16f32 = call <vscale x 16 x float> @llvm.vector.splice.right.nxv16f32(<vscale x 16 x float> zeroinitializer, <vscale x 16 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv32f32 = call <vscale x 32 x float> @llvm.vector.splice.right.nxv32f32(<vscale x 32 x float> zeroinitializer, <vscale x 32 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %splice.nxv64f32 = call <vscale x 64 x float> @llvm.vector.splice.right.nxv64f32(<vscale x 64 x float> zeroinitializer, <vscale x 64 x float> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f64 = call <vscale x 1 x double> @llvm.vector.splice.right.nxv1f64(<vscale x 1 x double> zeroinitializer, <vscale x 1 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv2f64 = call <vscale x 2 x double> @llvm.vector.splice.right.nxv2f64(<vscale x 2 x double> zeroinitializer, <vscale x 2 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv4f64 = call <vscale x 4 x double> @llvm.vector.splice.right.nxv4f64(<vscale x 4 x double> zeroinitializer, <vscale x 4 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv8f64 = call <vscale x 8 x double> @llvm.vector.splice.right.nxv8f64(<vscale x 8 x double> zeroinitializer, <vscale x 8 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %splice.nxv16f64 = call <vscale x 16 x double> @llvm.vector.splice.right.nxv16f64(<vscale x 16 x double> zeroinitializer, <vscale x 16 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 64 for instruction: %splice.nxv32f64 = call <vscale x 32 x double> @llvm.vector.splice.right.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 128 for instruction: %splice.nxv64f64 = call <vscale x 64 x double> @llvm.vector.splice.right.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 %offset)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
+;
+; SIZE-LABEL: 'vector_splice_right_variable'
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i8 = call <vscale x 1 x i8> @llvm.vector.splice.right.nxv1i8(<vscale x 1 x i8> zeroinitializer, <vscale x 1 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i8 = call <vscale x 2 x i8> @llvm.vector.splice.right.nxv2i8(<vscale x 2 x i8> zeroinitializer, <vscale x 2 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i8 = call <vscale x 4 x i8> @llvm.vector.splice.right.nxv4i8(<vscale x 4 x i8> zeroinitializer, <vscale x 4 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i8 = call <vscale x 8 x i8> @llvm.vector.splice.right.nxv8i8(<vscale x 8 x i8> zeroinitializer, <vscale x 8 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16i8 = call <vscale x 16 x i8> @llvm.vector.splice.right.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv32i8 = call <vscale x 32 x i8> @llvm.vector.splice.right.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv64i8 = call <vscale x 64 x i8> @llvm.vector.splice.right.nxv64i8(<vscale x 64 x i8> zeroinitializer, <vscale x 64 x i8> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i16 = call <vscale x 1 x i16> @llvm.vector.splice.right.nxv1i16(<vscale x 1 x i16> zeroinitializer, <vscale x 1 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i16 = call <vscale x 2 x i16> @llvm.vector.splice.right.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i16 = call <vscale x 4 x i16> @llvm.vector.splice.right.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i16 = call <vscale x 8 x i16> @llvm.vector.splice.right.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16i16 = call <vscale x 16 x i16> @llvm.vector.splice.right.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv32i16 = call <vscale x 32 x i16> @llvm.vector.splice.right.nxv32i16(<vscale x 32 x i16> zeroinitializer, <vscale x 32 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv64i16 = call <vscale x 64 x i16> @llvm.vector.splice.right.nxv64i16(<vscale x 64 x i16> zeroinitializer, <vscale x 64 x i16> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i32 = call <vscale x 1 x i32> @llvm.vector.splice.right.nxv1i32(<vscale x 1 x i32> zeroinitializer, <vscale x 1 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i32 = call <vscale x 2 x i32> @llvm.vector.splice.right.nxv2i32(<vscale x 2 x i32> zeroinitializer, <vscale x 2 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i32 = call <vscale x 4 x i32> @llvm.vector.splice.right.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i32 = call <vscale x 8 x i32> @llvm.vector.splice.right.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16i32 = call <vscale x 16 x i32> @llvm.vector.splice.right.nxv16i32(<vscale x 16 x i32> zeroinitializer, <vscale x 16 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv32i32 = call <vscale x 32 x i32> @llvm.vector.splice.right.nxv32i32(<vscale x 32 x i32> zeroinitializer, <vscale x 32 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv64i32 = call <vscale x 64 x i32> @llvm.vector.splice.right.nxv64i32(<vscale x 64 x i32> zeroinitializer, <vscale x 64 x i32> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1i64 = call <vscale x 1 x i64> @llvm.vector.splice.right.nxv1i64(<vscale x 1 x i64> zeroinitializer, <vscale x 1 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2i64 = call <vscale x 2 x i64> @llvm.vector.splice.right.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4i64 = call <vscale x 4 x i64> @llvm.vector.splice.right.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8i64 = call <vscale x 8 x i64> @llvm.vector.splice.right.nxv8i64(<vscale x 8 x i64> zeroinitializer, <vscale x 8 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv16i64 = call <vscale x 16 x i64> @llvm.vector.splice.right.nxv16i64(<vscale x 16 x i64> zeroinitializer, <vscale x 16 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv32i64 = call <vscale x 32 x i64> @llvm.vector.splice.right.nxv32i64(<vscale x 32 x i64> zeroinitializer, <vscale x 32 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv64i64 = call <vscale x 64 x i64> @llvm.vector.splice.right.nxv64i64(<vscale x 64 x i64> zeroinitializer, <vscale x 64 x i64> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv1bf16 = call <vscale x 1 x bfloat> @llvm.vector.splice.right.nxv1bf16(<vscale x 1 x bfloat> zeroinitializer, <vscale x 1 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv2bf16 = call <vscale x 2 x bfloat> @llvm.vector.splice.right.nxv2bf16(<vscale x 2 x bfloat> zeroinitializer, <vscale x 2 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv4bf16 = call <vscale x 4 x bfloat> @llvm.vector.splice.right.nxv4bf16(<vscale x 4 x bfloat> zeroinitializer, <vscale x 4 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv8bf16 = call <vscale x 8 x bfloat> @llvm.vector.splice.right.nxv8bf16(<vscale x 8 x bfloat> zeroinitializer, <vscale x 8 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv16bf16 = call <vscale x 16 x bfloat> @llvm.vector.splice.right.nxv16bf16(<vscale x 16 x bfloat> zeroinitializer, <vscale x 16 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv32bf16 = call <vscale x 32 x bfloat> @llvm.vector.splice.right.nxv32bf16(<vscale x 32 x bfloat> zeroinitializer, <vscale x 32 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Invalid cost for instruction: %splice.nxv64bf16 = call <vscale x 64 x bfloat> @llvm.vector.splice.right.nxv64bf16(<vscale x 64 x bfloat> zeroinitializer, <vscale x 64 x bfloat> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f16 = call <vscale x 1 x half> @llvm.vector.splice.right.nxv1f16(<vscale x 1 x half> zeroinitializer, <vscale x 1 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f16 = call <vscale x 2 x half> @llvm.vector.splice.right.nxv2f16(<vscale x 2 x half> zeroinitializer, <vscale x 2 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4f16 = call <vscale x 4 x half> @llvm.vector.splice.right.nxv4f16(<vscale x 4 x half> zeroinitializer, <vscale x 4 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8f16 = call <vscale x 8 x half> @llvm.vector.splice.right.nxv8f16(<vscale x 8 x half> zeroinitializer, <vscale x 8 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16f16 = call <vscale x 16 x half> @llvm.vector.splice.right.nxv16f16(<vscale x 16 x half> zeroinitializer, <vscale x 16 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv32f16 = call <vscale x 32 x half> @llvm.vector.splice.right.nxv32f16(<vscale x 32 x half> zeroinitializer, <vscale x 32 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv64f16 = call <vscale x 64 x half> @llvm.vector.splice.right.nxv64f16(<vscale x 64 x half> zeroinitializer, <vscale x 64 x half> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f32 = call <vscale x 1 x float> @llvm.vector.splice.right.nxv1f32(<vscale x 1 x float> zeroinitializer, <vscale x 1 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f32 = call <vscale x 2 x float> @llvm.vector.splice.right.nxv2f32(<vscale x 2 x float> zeroinitializer, <vscale x 2 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4f32 = call <vscale x 4 x float> @llvm.vector.splice.right.nxv4f32(<vscale x 4 x float> zeroinitializer, <vscale x 4 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8f32 = call <vscale x 8 x float> @llvm.vector.splice.right.nxv8f32(<vscale x 8 x float> zeroinitializer, <vscale x 8 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv16f32 = call <vscale x 16 x float> @llvm.vector.splice.right.nxv16f32(<vscale x 16 x float> zeroinitializer, <vscale x 16 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv32f32 = call <vscale x 32 x float> @llvm.vector.splice.right.nxv32f32(<vscale x 32 x float> zeroinitializer, <vscale x 32 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv64f32 = call <vscale x 64 x float> @llvm.vector.splice.right.nxv64f32(<vscale x 64 x float> zeroinitializer, <vscale x 64 x float> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv1f64 = call <vscale x 1 x double> @llvm.vector.splice.right.nxv1f64(<vscale x 1 x double> zeroinitializer, <vscale x 1 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv2f64 = call <vscale x 2 x double> @llvm.vector.splice.right.nxv2f64(<vscale x 2 x double> zeroinitializer, <vscale x 2 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv4f64 = call <vscale x 4 x double> @llvm.vector.splice.right.nxv4f64(<vscale x 4 x double> zeroinitializer, <vscale x 4 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %splice.nxv8f64 = call <vscale x 8 x double> @llvm.vector.splice.right.nxv8f64(<vscale x 8 x double> zeroinitializer, <vscale x 8 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %splice.nxv16f64 = call <vscale x 16 x double> @llvm.vector.splice.right.nxv16f64(<vscale x 16 x double> zeroinitializer, <vscale x 16 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %splice.nxv32f64 = call <vscale x 32 x double> @llvm.vector.splice.right.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %splice.nxv64f64 = call <vscale x 64 x double> @llvm.vector.splice.right.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 %offset)
+; SIZE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+  %splice.nxv1i8 = call <vscale x 1 x i8> @llvm.vector.splice.right.nxv1i8(<vscale x 1 x i8> zeroinitializer, <vscale x 1 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv2i8 = call <vscale x 2 x i8> @llvm.vector.splice.right.nxv2i8(<vscale x 2 x i8> zeroinitializer, <vscale x 2 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv4i8 = call <vscale x 4 x i8> @llvm.vector.splice.right.nxv4i8(<vscale x 4 x i8> zeroinitializer, <vscale x 4 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv8i8 = call <vscale x 8 x i8> @llvm.vector.splice.right.nxv8i8(<vscale x 8 x i8> zeroinitializer, <vscale x 8 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv16i8 = call <vscale x 16 x i8> @llvm.vector.splice.right.nxv16i8(<vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv32i8 = call <vscale x 32 x i8> @llvm.vector.splice.right.nxv32i8(<vscale x 32 x i8> zeroinitializer, <vscale x 32 x i8> zeroinitializer, i32 %offset)
+  %splice.nxv64i8 = call <vscale x 64 x i8> @llvm.vector.splice.right.nxv64i8(<vscale x 64 x i8> zeroinitializer, <vscale x 64 x i8> zeroinitializer, i32 %offset)
+
+  %splice.nxv1i16 = call <vscale x 1 x i16> @llvm.vector.splice.right.nxv1i16(<vscale x 1 x i16> zeroinitializer, <vscale x 1 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv2i16 = call <vscale x 2 x i16> @llvm.vector.splice.right.nxv2i16(<vscale x 2 x i16> zeroinitializer, <vscale x 2 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv4i16 = call <vscale x 4 x i16> @llvm.vector.splice.right.nxv4i16(<vscale x 4 x i16> zeroinitializer, <vscale x 4 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv8i16 = call <vscale x 8 x i16> @llvm.vector.splice.right.nxv8i16(<vscale x 8 x i16> zeroinitializer, <vscale x 8 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv16i16 = call <vscale x 16 x i16> @llvm.vector.splice.right.nxv16i16(<vscale x 16 x i16> zeroinitializer, <vscale x 16 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv32i16 = call <vscale x 32 x i16> @llvm.vector.splice.right.nxv32i16(<vscale x 32 x i16> zeroinitializer, <vscale x 32 x i16> zeroinitializer, i32 %offset)
+  %splice.nxv64i16 = call <vscale x 64 x i16> @llvm.vector.splice.right.nxv64i16(<vscale x 64 x i16> zeroinitializer, <vscale x 64 x i16> zeroinitializer, i32 %offset)
+
+  %splice.nxv1i32 = call <vscale x 1 x i32> @llvm.vector.splice.right.nxv1i32(<vscale x 1 x i32> zeroinitializer, <vscale x 1 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv2i32 = call <vscale x 2 x i32> @llvm.vector.splice.right.nxv2i32(<vscale x 2 x i32> zeroinitializer, <vscale x 2 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv4i32 = call <vscale x 4 x i32> @llvm.vector.splice.right.nxv4i32(<vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv8i32 = call <vscale x 8 x i32> @llvm.vector.splice.right.nxv8i32(<vscale x 8 x i32> zeroinitializer, <vscale x 8 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv16i32 = call <vscale x 16 x i32> @llvm.vector.splice.right.nxv16i32(<vscale x 16 x i32> zeroinitializer, <vscale x 16 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv32i32 = call <vscale x 32 x i32> @llvm.vector.splice.right.nxv32i32(<vscale x 32 x i32> zeroinitializer, <vscale x 32 x i32> zeroinitializer, i32 %offset)
+  %splice.nxv64i32 = call <vscale x 64 x i32> @llvm.vector.splice.right.nxv64i32(<vscale x 64 x i32> zeroinitializer, <vscale x 64 x i32> zeroinitializer, i32 %offset)
+
+  %splice.nxv1i64 = call <vscale x 1 x i64> @llvm.vector.splice.right.nxv1i64(<vscale x 1 x i64> zeroinitializer, <vscale x 1 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv2i64 = call <vscale x 2 x i64> @llvm.vector.splice.right.nxv2i64(<vscale x 2 x i64> zeroinitializer, <vscale x 2 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv4i64 = call <vscale x 4 x i64> @llvm.vector.splice.right.nxv4i64(<vscale x 4 x i64> zeroinitializer, <vscale x 4 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv8i64 = call <vscale x 8 x i64> @llvm.vector.splice.right.nxv8i64(<vscale x 8 x i64> zeroinitializer, <vscale x 8 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv16i64 = call <vscale x 16 x i64> @llvm.vector.splice.right.nxv16i64(<vscale x 16 x i64> zeroinitializer, <vscale x 16 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv32i64 = call <vscale x 32 x i64> @llvm.vector.splice.right.nxv32i64(<vscale x 32 x i64> zeroinitializer, <vscale x 32 x i64> zeroinitializer, i32 %offset)
+  %splice.nxv64i64 = call <vscale x 64 x i64> @llvm.vector.splice.right.nxv64i64(<vscale x 64 x i64> zeroinitializer, <vscale x 64 x i64> zeroinitializer, i32 %offset)
+
+  %splice.nxv1bf16 = call <vscale x 1 x bfloat> @llvm.vector.splice.right.nxv1bf16(<vscale x 1 x bfloat> zeroinitializer, <vscale x 1 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv2bf16 = call <vscale x 2 x bfloat> @llvm.vector.splice.right.nxv2bf16(<vscale x 2 x bfloat> zeroinitializer, <vscale x 2 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv4bf16 = call <vscale x 4 x bfloat> @llvm.vector.splice.right.nxv4bf16(<vscale x 4 x bfloat> zeroinitializer, <vscale x 4 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv8bf16 = call <vscale x 8 x bfloat> @llvm.vector.splice.right.nxv8bf16(<vscale x 8 x bfloat> zeroinitializer, <vscale x 8 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv16bf16 = call <vscale x 16 x bfloat> @llvm.vector.splice.right.nxv16bf16(<vscale x 16 x bfloat> zeroinitializer, <vscale x 16 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv32bf16 = call <vscale x 32 x bfloat> @llvm.vector.splice.right.nxv32bf16(<vscale x 32 x bfloat> zeroinitializer, <vscale x 32 x bfloat> zeroinitializer, i32 %offset)
+  %splice.nxv64bf16 = call <vscale x 64 x bfloat> @llvm.vector.splice.right.nxv64bf16(<vscale x 64 x bfloat> zeroinitializer, <vscale x 64 x bfloat> zeroinitializer, i32 %offset)
+
+  %splice.nxv1f16 = call <vscale x 1 x half> @llvm.vector.splice.right.nxv1f16(<vscale x 1 x half> zeroinitializer, <vscale x 1 x half> zeroinitializer, i32 %offset)
+  %splice.nxv2f16 = call <vscale x 2 x half> @llvm.vector.splice.right.nxv2f16(<vscale x 2 x half> zeroinitializer, <vscale x 2 x half> zeroinitializer, i32 %offset)
+  %splice.nxv4f16 = call <vscale x 4 x half> @llvm.vector.splice.right.nxv4f16(<vscale x 4 x half> zeroinitializer, <vscale x 4 x half> zeroinitializer, i32 %offset)
+  %splice.nxv8f16 = call <vscale x 8 x half> @llvm.vector.splice.right.nxv8f16(<vscale x 8 x half> zeroinitializer, <vscale x 8 x half> zeroinitializer, i32 %offset)
+  %splice.nxv16f16 = call <vscale x 16 x half> @llvm.vector.splice.right.nxv16f16(<vscale x 16 x half> zeroinitializer, <vscale x 16 x half> zeroinitializer, i32 %offset)
+  %splice.nxv32f16 = call <vscale x 32 x half> @llvm.vector.splice.right.nxv32f16(<vscale x 32 x half> zeroinitializer, <vscale x 32 x half> zeroinitializer, i32 %offset)
+  %splice.nxv64f16 = call <vscale x 64 x half> @llvm.vector.splice.right.nxv64f16(<vscale x 64 x half> zeroinitializer, <vscale x 64 x half> zeroinitializer, i32 %offset)
+
+  %splice.nxv1f32 = call <vscale x 1 x float> @llvm.vector.splice.right.nxv1f32(<vscale x 1 x float> zeroinitializer, <vscale x 1 x float> zeroinitializer, i32 %offset)
+  %splice.nxv2f32 = call <vscale x 2 x float> @llvm.vector.splice.right.nxv2f32(<vscale x 2 x float> zeroinitializer, <vscale x 2 x float> zeroinitializer, i32 %offset)
+  %splice.nxv4f32 = call <vscale x 4 x float> @llvm.vector.splice.right.nxv4f32(<vscale x 4 x float> zeroinitializer, <vscale x 4 x float> zeroinitializer, i32 %offset)
+  %splice.nxv8f32 = call <vscale x 8 x float> @llvm.vector.splice.right.nxv8f32(<vscale x 8 x float> zeroinitializer, <vscale x 8 x float> zeroinitializer, i32 %offset)
+  %splice.nxv16f32 = call <vscale x 16 x float> @llvm.vector.splice.right.nxv16f32(<vscale x 16 x float> zeroinitializer, <vscale x 16 x float> zeroinitializer, i32 %offset)
+  %splice.nxv32f32 = call <vscale x 32 x float> @llvm.vector.splice.right.nxv32f32(<vscale x 32 x float> zeroinitializer, <vscale x 32 x float> zeroinitializer, i32 %offset)
+  %splice.nxv64f32 = call <vscale x 64 x float> @llvm.vector.splice.right.nxv64f32(<vscale x 64 x float> zeroinitializer, <vscale x 64 x float> zeroinitializer, i32 %offset)
+
+  %splice.nxv1f64 = call <vscale x 1 x double> @llvm.vector.splice.right.nxv1f64(<vscale x 1 x double> zeroinitializer, <vscale x 1 x double> zeroinitializer, i32 %offset)
+  %splice.nxv2f64 = call <vscale x 2 x double> @llvm.vector.splice.right.nxv2f64(<vscale x 2 x double> zeroinitializer, <vscale x 2 x double> zeroinitializer, i32 %offset)
+  %splice.nxv4f64 = call <vscale x 4 x double> @llvm.vector.splice.right.nxv4f64(<vscale x 4 x double> zeroinitializer, <vscale x 4 x double> zeroinitializer, i32 %offset)
+  %splice.nxv8f64 = call <vscale x 8 x double> @llvm.vector.splice.right.nxv8f64(<vscale x 8 x double> zeroinitializer, <vscale x 8 x double> zeroinitializer, i32 %offset)
+  %splice.nxv16f64 = call <vscale x 16 x double> @llvm.vector.splice.right.nxv16f64(<vscale x 16 x double> zeroinitializer, <vscale x 16 x double> zeroinitializer, i32 %offset)
+  %splice.nxv32f64 = call <vscale x 32 x double> @llvm.vector.splice.right.nxv32f64(<vscale x 32 x double> zeroinitializer, <vscale x 32 x double> zeroinitializer, i32 %offset)
+  %splice.nxv64f64 = call <vscale x 64 x double> @llvm.vector.splice.right.nxv64f64(<vscale x 64 x double> zeroinitializer, <vscale x 64 x double> zeroinitializer, i32 %offset)
 
   ret void
 }