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Fix fp128 reaching llvm_unreachable on 32-bit PowerPC #216613

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Fix fp128 reaching llvm_unreachable on 32-bit PowerPC #216613

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5 changes: 1 addition & 4 deletions llvm/lib/Target/PowerPC/PPCISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4281,13 +4281,10 @@ SDValue PPCTargetLowering::LowerFormalArguments_32SVR4(
case MVT::v16i8:
case MVT::v8i16:
case MVT::v4i32:
RC = &PPC::VRRCRegClass;
break;
case MVT::v4f32:
RC = &PPC::VRRCRegClass;
break;
case MVT::v2f64:
case MVT::v2i64:
case MVT::f128:
RC = &PPC::VRRCRegClass;
break;
}
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9 changes: 9 additions & 0 deletions llvm/test/CodeGen/PowerPC/ppc32-f128-abi.ll
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@@ -0,0 +1,9 @@
; RUN: llc -verify-machineinstrs -mattr=+vsx < %s | FileCheck %s
target triple = "powerpc-unknown-linux-gnu"

; CHECK-LABEL: return_second:
; CHECK: vmr 2, 3
; CHECK-NEXT: blr
define fp128 @return_second(fp128, fp128) {
ret fp128 %1
}
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