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Merged
MrSidims merged 11 commits into from
Jan 26, 2023
Merged

Fix reverse translation of ptr.annotation for multiple UserSemantic decorations #1723

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d256a9d
Workaround
vmaksimo Nov 9, 2022
ab20f75
Rework to reuse gep/ptr ann
vmaksimo Nov 16, 2022
cb01ece
Rework the map
vmaksimo Nov 17, 2022
a41b99e
Added new test
vmaksimo Dec 7, 2022
40bb2a9
Rework
vmaksimo Dec 7, 2022
f482fca
Fix clang-tidy and format errors
vmaksimo Dec 7, 2022
28d21b6
update tests after #1765
vmaksimo Dec 9, 2022
5b7fa93
Merge branch 'main' into fix_ptr_ann_reverse
vmaksimo Dec 27, 2022
fc2e28b
Update test to check opaque pointers instead
vmaksimo Dec 28, 2022
51d44d2
Fix suggestions
vmaksimo Dec 28, 2022
0bf3dc6
Merge branch 'main' into fix_ptr_ann_reverse
vmaksimo Jan 9, 2023
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54 changes: 47 additions & 7 deletions lib/SPIRV/SPIRVReader.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2090,6 +2090,28 @@ Value *SPIRVToLLVM::transValueWithoutDecoration(SPIRVValue *BV, Function *F,
Index.insert(Index.begin(), getInt32(M, 0));
auto IsInbound = AC->isInBounds();
Value *V = nullptr;

if (GEPOrUseMap.count(Base)) {
auto IdxToInstMap = GEPOrUseMap[Base];
auto Idx = AC->getIndices();

// In transIntelFPGADecorations we generated GEPs only for the fields of
// structure, meaning that GEP to `0` accesses the Structure itself, and
// the second `Id` is a Key in the map.
if (Idx.size() == 2) {
unsigned Idx1 = static_cast<ConstantInt *>(getTranslatedValue(Idx[0]))
->getZExtValue();
if (Idx1 == 0) {
unsigned Idx2 = static_cast<ConstantInt *>(getTranslatedValue(Idx[1]))
->getZExtValue();

// If we already have the instruction in a map, use it.
if (IdxToInstMap.count(Idx2))
return mapValue(BV, IdxToInstMap[Idx2]);
}
}
}

if (BB) {
auto GEP =
GetElementPtrInst::Create(BaseTy, Base, Index, BV->getName(), BB);
Expand Down Expand Up @@ -3475,21 +3497,39 @@ void SPIRVToLLVM::transIntelFPGADecorations(SPIRVValue *BV, Value *V) {
for (const auto &AnnotStr : AnnotStrVec) {
auto *GS = Builder.CreateGlobalStringPtr(AnnotStr);

auto *GEP = cast<GetElementPtrInst>(
Builder.CreateConstInBoundsGEP2_32(AllocatedTy, AL, 0, I));
Instruction *PtrAnnFirstArg = nullptr;

Type *IntTy = GEP->getResultElementType()->isIntegerTy()
? GEP->getType()
: Int8PtrTyPrivate;
if (GEPOrUseMap.count(AL)) {
auto IdxToInstMap = GEPOrUseMap[AL];
if (IdxToInstMap.count(I)) {
PtrAnnFirstArg = IdxToInstMap[I];
}
}

Type *IntTy = nullptr;

if (!PtrAnnFirstArg) {
GetElementPtrInst *GEP = cast<GetElementPtrInst>(
Builder.CreateConstInBoundsGEP2_32(AllocatedTy, AL, 0, I));

IntTy = GEP->getResultElementType()->isIntegerTy()
? GEP->getType()
: Int8PtrTyPrivate;
PtrAnnFirstArg = GEP;
} else {
IntTy = PtrAnnFirstArg->getType();
}

auto *AnnotationFn = llvm::Intrinsic::getDeclaration(
M, Intrinsic::ptr_annotation, {IntTy, Int8PtrTyPrivate});

llvm::Value *Args[] = {
Builder.CreateBitCast(GEP, IntTy, GEP->getName()),
Builder.CreateBitCast(PtrAnnFirstArg, IntTy,
PtrAnnFirstArg->getName()),
Builder.CreateBitCast(GS, Int8PtrTyPrivate), UndefInt8Ptr,
UndefInt32, UndefInt8Ptr};
Builder.CreateCall(AnnotationFn, Args);
auto *PtrAnnotationCall = Builder.CreateCall(AnnotationFn, Args);
GEPOrUseMap[AL][I] = PtrAnnotationCall;
}
}
}
Expand Down
10 changes: 10 additions & 0 deletions lib/SPIRV/SPIRVReader.h
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Expand Up @@ -155,6 +155,14 @@ class SPIRVToLLVM : private BuiltinCallHelper {
typedef std::map<const BasicBlock *, const SPIRVValue *>
SPIRVToLLVMLoopMetadataMap;

// Store all the allocations to Struct Types that are further
// accessed inside GetElementPtr instruction or in ptr.annotation intrinsics.
// For every structure we save the accessed structure field index and the
// last corresponding translated LLVM instruction.
typedef std::unordered_map<Value *,
std::unordered_map<SPIRVWord, Instruction *>>
TypeToGEPOrUseMap;

private:
Module *M;
LLVMContext *Context;
Expand Down Expand Up @@ -186,6 +194,8 @@ class SPIRVToLLVM : private BuiltinCallHelper {
SPIRVToLLVMMDAliasInstMap MDAliasScopeMap;
SPIRVToLLVMMDAliasInstMap MDAliasListMap;

TypeToGEPOrUseMap GEPOrUseMap;

Type *mapType(SPIRVType *BT, Type *T);

// If a value is mapped twice, the existing mapped value is a placeholder,
Expand Down
11 changes: 8 additions & 3 deletions test/transcoding/multiple_user_semantic.ll
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Expand Up @@ -23,14 +23,19 @@
; CHECK-LLVM: @[[StrB:[0-9_.]+]] = {{.*}}"var_annotation_b2\00"
; CHECK-LLVM: %[[#StructMember:]] = alloca %class.Sample, align 4
; CHECK-LLVM: %[[#GEP1:]] = getelementptr inbounds %class.Sample, %class.Sample* %[[#StructMember]], i32 0, i32 0
; CHECK-LLVM: call i32* @llvm.ptr.annotation.p0i32.p0i8(i32* %[[#GEP1:]], i8* getelementptr inbounds ([19 x i8], [19 x i8]* @[[StrStructA]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: %[[#GEP2:]] = getelementptr inbounds %class.Sample, %class.Sample* %[[#StructMember]], i32 0, i32 0
; CHECK-LLVM: call i32* @llvm.ptr.annotation.p0i32.p0i8(i32* %[[#GEP2]], i8* getelementptr inbounds ([20 x i8], [20 x i8]* @[[StrStructB]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: %[[#PtrAnn1:]] = call i32* @llvm.ptr.annotation.p0i32.p0i8(i32* %[[#GEP1:]], i8* getelementptr inbounds ([19 x i8], [19 x i8]* @[[StrStructA]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: %[[#PtrAnn2:]] = call i32* @llvm.ptr.annotation.p0i32.p0i8(i32* %[[#PtrAnn1]], i8* getelementptr inbounds ([20 x i8], [20 x i8]* @[[StrStructB]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: [[#Var:]] = alloca i32, align 4
; CHECK-LLVM: [[#Bitcast1:]] = bitcast i32* %[[#Var]] to i8*
; CHECK-LLVM: call void @llvm.var.annotation.p0i8.p0i8(i8* %[[#Bitcast1]], i8* getelementptr inbounds ([17 x i8], [17 x i8]* @[[StrA]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: [[#Bitcast2:]] = bitcast i32* %[[#Var]] to i8*
; CHECK-LLVM: call void @llvm.var.annotation.p0i8.p0i8(i8* %[[#Bitcast2]], i8* getelementptr inbounds ([18 x i8], [18 x i8]* @[[StrB]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: [[#Bitcast3:]] = bitcast i32* %[[#PtrAnn2]] to i8*
; CHECK-LLVM: [[#Bitcast4:]] = bitcast i8* %[[#Bitcast3]] to i32*
; CHECK-LLVM: [[#Load1:]] = load i32, i32* %[[#Bitcast4]], align 4
; CHECK-LLVM: call spir_func void @_Z3fooi(i32 %[[#Load1]])
; CHECK-LLVM: [[#Load2:]] = load i32, i32* %[[#Var]], align 4
; CHECK-LLVM: call spir_func void @_Z3fooi(i32 %[[#Load2]])


source_filename = "llvm-link"
Expand Down
5 changes: 2 additions & 3 deletions test/transcoding/multiple_user_semantic_nonopaque.ll
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Expand Up @@ -28,9 +28,8 @@
; CHECK-LLVM: call void @llvm.var.annotation.p0i8.p0i8(i8* %[[#Bitcast2]], i8* getelementptr inbounds ([17 x i8], [17 x i8]* @[[StrB]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: %[[#StructMember:]] = alloca %class.Sample, align 4
; CHECK-LLVM: %[[#GEP1:]] = getelementptr inbounds %class.Sample, %class.Sample* %[[#StructMember]], i32 0, i32 0
; CHECK-LLVM: call i32* @llvm.ptr.annotation.p0i32.p0i8(i32* %[[#GEP1:]], i8* getelementptr inbounds ([19 x i8], [19 x i8]* @[[StrStructA]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: %[[#GEP2:]] = getelementptr inbounds %class.Sample, %class.Sample* %[[#StructMember]], i32 0, i32 0
; CHECK-LLVM: call i32* @llvm.ptr.annotation.p0i32.p0i8(i32* %[[#GEP2]], i8* getelementptr inbounds ([19 x i8], [19 x i8]* @[[StrStructB]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: %[[#PtrAnn:]] = call i32* @llvm.ptr.annotation.p0i32.p0i8(i32* %[[#GEP1:]], i8* getelementptr inbounds ([19 x i8], [19 x i8]* @[[StrStructA]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)
; CHECK-LLVM: call i32* @llvm.ptr.annotation.p0i32.p0i8(i32* %[[#PtrAnn]], i8* getelementptr inbounds ([19 x i8], [19 x i8]* @[[StrStructB]], i32 0, i32 0), i8* undef, i32 undef, i8* undef)


source_filename = "llvm-link"
Expand Down
170 changes: 170 additions & 0 deletions test/transcoding/multiple_user_semantic_on_struct.ll
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@@ -0,0 +1,170 @@
; This test is intended to check that we are actually using the
; ptr.annotation intrinsic call results during the reverse translation.

; Source (https://godbolt.org/z/qzhsKfPeq):
; class B {
; public:
; int Val [[clang::annotate("ClassB")]];
; };
; class A {
; public:
; int Val [[clang::annotate("ClassA")]];
; int MultiDec [[clang::annotate("Dec1"), clang::annotate("Dec2"), clang::annotate("Dec3")]];
; [[clang::annotate("ClassAfieldB")]]class B b;
; };
; void foo(int);
; int main() {
; A a;
; B b;
; A c;
; foo(a.Val); // ClassA
; foo(c.Val); // Obj2ClassA
; foo(a.MultiDec); // ClassAMultiDec
; foo(a.b.Val); // ClassAFieldB
; foo(b.Val); // ClassB
; return 0;
; }


; RUN: llvm-as %s -o %t.bc
; RUN: llvm-spirv %t.bc -spirv-text -o - | FileCheck %s --check-prefix=CHECK-SPIRV

; RUN: llvm-spirv %t.bc -o %t.spv
; RUN: llvm-spirv -r %t.spv -o %t.rev.bc
; RUN: llvm-dis < %t.rev.bc | FileCheck %s --check-prefix=CHECK-LLVM

; Check that even when FPGA memory extensions are enabled - yet we have
; UserSemantic decoration be generated
; RUN: llvm-as %s -o %t.bc
; RUN: llvm-spirv %t.bc --spirv-ext=+SPV_INTEL_fpga_memory_accesses,+SPV_INTEL_fpga_memory_attributes -spirv-text -o - | FileCheck %s --check-prefix=CHECK-SPIRV

; CHECK-SPIRV: Name [[#ClassA:]] "class.A"
; CHECK-SPIRV: Name [[#ClassB:]] "class.B"
; CHECK-SPIRV: MemberDecorate [[#ClassA]] 0 UserSemantic "ClassA"
; CHECK-SPIRV: MemberDecorate [[#ClassA]] 0 UserSemantic "ClassA"
; CHECK-SPIRV: MemberDecorate [[#ClassA]] 1 UserSemantic "Dec1"
; CHECK-SPIRV: MemberDecorate [[#ClassA]] 1 UserSemantic "Dec2"
; CHECK-SPIRV: MemberDecorate [[#ClassA]] 1 UserSemantic "Dec3"
; CHECK-SPIRV: MemberDecorate [[#ClassA]] 2 UserSemantic "ClassAfieldB"
; CHECK-SPIRV: MemberDecorate [[#ClassB]] 0 UserSemantic "ClassB"
; CHECK-SPIRV: MemberDecorate [[#ClassB]] 0 UserSemantic "ClassB"

; CHECK-LLVM: @[[#StrStructA:]] = {{.*}}"ClassA\00"
; CHECK-LLVM: @[[#StrStructA2:]] = {{.*}}"ClassA\00"
; CHECK-LLVM: @[[#Dec1:]] = {{.*}}"Dec1\00"
; CHECK-LLVM: @[[#Dec2:]] = {{.*}}"Dec2\00"
; CHECK-LLVM: @[[#Dec3:]] = {{.*}}"Dec3\00"
; CHECK-LLVM: @[[#StrAfieldB:]] = {{.*}}"ClassAfieldB\00"
; CHECK-LLVM: @[[#StrStructB:]] = {{.*}}"ClassB\00"
; CHECK-LLVM: @[[#StrStructB2:]] = {{.*}}"ClassB\00"
; CHECK-LLVM: @[[#StrObj2StructA:]] = {{.*}}"ClassA\00"
; CHECK-LLVM: @[[#StrObj2StructA2:]] = {{.*}}"ClassA\00"

; CHECK-LLVM: %[[#ObjClassA:]] = alloca %class.A, align 4
; CHECK-LLVM: %[[#GepClassAVal:]] = getelementptr inbounds %class.A, ptr %[[#ObjClassA]], i32 0, i32 0
; CHECK-LLVM: %[[#PtrAnnClassAVal:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#GepClassAVal]], ptr @[[#StrStructA]], ptr undef, i32 undef, ptr undef)
; CHECK-LLVM: %[[#PtrAnn2ClassAVal:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#PtrAnnClassAVal]], ptr @[[#StrStructA2]], ptr undef, i32 undef, ptr undef)

; CHECK-LLVM: %[[#GepMultiDec:]] = getelementptr inbounds %class.A, ptr %[[#ObjClassA]], i32 0, i32 1
; CHECK-LLVM: %[[#PtrAnnMultiDec:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#GepMultiDec]], ptr @[[#Dec1]], ptr undef, i32 undef, ptr undef)
; CHECK-LLVM: %[[#PtrAnn2MultiDec:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#PtrAnnMultiDec]], ptr @[[#Dec2]], ptr undef, i32 undef, ptr undef)
; CHECK-LLVM: %[[#PtrAnn3MultiDec:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#PtrAnn2MultiDec]], ptr @[[#Dec3]], ptr undef, i32 undef, ptr undef)

; CHECK-LLVM: %[[#GepClassAFieldB:]] = getelementptr inbounds %class.A, ptr %[[#ObjClassA]], i32 0, i32 2
; CHECK-LLVM: %[[#CastClassAFieldB:]] = bitcast ptr %[[#GepClassAFieldB]] to ptr
; CHECK-LLVM: %[[#PtrAnnClassAFieldB:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#CastClassAFieldB]], ptr @[[#StrAfieldB]], ptr undef, i32 undef, ptr undef)

; CHECK-LLVM: %[[#ObjClassB:]] = alloca %class.B, align 4
; CHECK-LLVM: %[[#GEPClassB:]] = getelementptr inbounds %class.B, ptr %[[#ObjClassB]], i32 0, i32 0
; CHECK-LLVM: %[[#PtrAnnClassB:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#GEPClassB]], ptr @[[#StrStructB]], ptr undef, i32 undef, ptr undef)
; CHECK-LLVM: %[[#PtrAnn2ClassB:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#PtrAnnClassB]], ptr @[[#StrStructB2]], ptr undef, i32 undef, ptr undef)

; CHECK-LLVM: %[[#Obj2ClassA:]] = alloca %class.A, align 4
; CHECK-LLVM: %[[#GepObj2ClassA:]] = getelementptr inbounds %class.A, ptr %[[#Obj2ClassA]], i32 0, i32 0
; CHECK-LLVM: %[[#PtrAnnObj2ClassA:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#GepObj2ClassA]], ptr @[[#StrObj2StructA]], ptr undef, i32 undef, ptr undef)
; CHECK-LLVM: %[[#PtrAnn2Obj2ClassA:]] = call ptr @llvm.ptr.annotation.p0.p0(ptr %[[#PtrAnnObj2ClassA]], ptr @[[#StrObj2StructA2]], ptr undef, i32 undef, ptr undef)


; CHECK-LLVM: %[[#CastClassAVal:]] = bitcast ptr %[[#PtrAnn2ClassAVal]] to ptr
; CHECK-LLVM: %[[#LoadClassAVal:]] = bitcast ptr %[[#CastClassAVal]] to ptr
; CHECK-LLVM: %[[#CallClassA:]] = load i32, ptr %[[#LoadClassAVal]], align 4
; CHECK-LLVM: call spir_func void @_Z3fooi(i32 %[[#CallClassA]])

; CHECK-LLVM: %[[#CastObj2ClassA:]] = bitcast ptr %[[#PtrAnn2Obj2ClassA]] to ptr
; CHECK-LLVM: %[[#LoadObj2ClassA:]] = bitcast ptr %[[#CastObj2ClassA]] to ptr
; CHECK-LLVM: %[[#CallObj2ClassA:]] = load i32, ptr %[[#LoadObj2ClassA]], align 4
; CHECK-LLVM: call spir_func void @_Z3fooi(i32 %[[#CallObj2ClassA]])

; CHECK-LLVM: %[[#CastMultiDec:]] = bitcast ptr %[[#PtrAnn3MultiDec]] to ptr
; CHECK-LLVM: %[[#LoadMultiDec:]] = bitcast ptr %[[#CastMultiDec]] to ptr
; CHECK-LLVM: %[[#CallClassAMultiDec:]] = load i32, ptr %[[#LoadMultiDec]], align 4
; CHECK-LLVM: call spir_func void @_Z3fooi(i32 %[[#CallClassAMultiDec]])

; CHECK-LLVM: %[[#CastClassAFieldB:]] = bitcast ptr %[[#PtrAnnClassAFieldB]] to ptr
; CHECK-LLVM: %[[#Cast2ClassAFieldB:]] = bitcast ptr %[[#CastClassAFieldB]] to ptr
; CHECK-LLVM: %[[#GEPClassB:]] = getelementptr inbounds %class.B, ptr %[[#Cast2ClassAFieldB]], i32 0, i32 0
; CHECK-LLVM: %[[#CastClassB:]] = bitcast ptr %[[#GEPClassB]] to ptr
; CHECK-LLVM: %[[#Cast2ClassB:]] = bitcast ptr %[[#CastClassB]] to ptr
; CHECK-LLVM: %[[#CallClassAFieldB:]] = load i32, ptr %[[#Cast2ClassB]], align 4
; CHECK-LLVM: call spir_func void @_Z3fooi(i32 %[[#CallClassAFieldB]])

; CHECK-LLVM: %[[#CastClassB:]] = bitcast ptr %[[#PtrAnn2ClassB]] to ptr
; CHECK-LLVM: %[[#Cast2ClassB:]] = bitcast ptr %[[#CastClassB]] to ptr
; CHECK-LLVM: %[[#CallClassB:]] = load i32, ptr %[[#Cast2ClassB]], align 4
; CHECK-LLVM: call spir_func void @_Z3fooi(i32 %[[#CallClassB]])

target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64"
target triple = "spir64"

%class.A = type { i32, i32, %class.B }
%class.B = type { i32 }

@.str = private unnamed_addr constant [7 x i8] c"ClassA\00", section "llvm.metadata"
@.str.1 = private unnamed_addr constant [17 x i8] c"/app/example.cpp\00", section "llvm.metadata"
@.str.2 = private unnamed_addr constant [5 x i8] c"Dec1\00", section "llvm.metadata"
@.str.3 = private unnamed_addr constant [5 x i8] c"Dec2\00", section "llvm.metadata"
@.str.4 = private unnamed_addr constant [5 x i8] c"Dec3\00", section "llvm.metadata"
@.str.5 = private unnamed_addr constant [13 x i8] c"ClassAfieldB\00", section "llvm.metadata"
@.str.6 = private unnamed_addr constant [7 x i8] c"ClassB\00", section "llvm.metadata"

define dso_local noundef i32 @main() #0 {
%1 = alloca i32, align 4
%2 = alloca %class.A, align 4
%3 = alloca %class.B, align 4
%4 = alloca %class.A, align 4
store i32 0, ptr %1, align 4
%5 = getelementptr inbounds %class.A, ptr %2, i32 0, i32 0
%6 = call ptr @llvm.ptr.annotation.p0.p0(ptr %5, ptr @.str, ptr @.str.1, i32 11, ptr null)
%7 = load i32, ptr %6, align 4
call void @_Z3fooi(i32 noundef %7)
%8 = getelementptr inbounds %class.A, ptr %4, i32 0, i32 0
%9 = call ptr @llvm.ptr.annotation.p0.p0(ptr %8, ptr @.str, ptr @.str.1, i32 11, ptr null)
%10 = load i32, ptr %9, align 4
call void @_Z3fooi(i32 noundef %10)
%11 = getelementptr inbounds %class.A, ptr %2, i32 0, i32 1
%12 = call ptr @llvm.ptr.annotation.p0.p0(ptr %11, ptr @.str.2, ptr @.str.1, i32 12, ptr null)
%13 = call ptr @llvm.ptr.annotation.p0.p0(ptr %12, ptr @.str.3, ptr @.str.1, i32 12, ptr null)
%14 = call ptr @llvm.ptr.annotation.p0.p0(ptr %13, ptr @.str.4, ptr @.str.1, i32 12, ptr null)
%15 = load i32, ptr %14, align 4
call void @_Z3fooi(i32 noundef %15)
%16 = getelementptr inbounds %class.A, ptr %2, i32 0, i32 2
%17 = call ptr @llvm.ptr.annotation.p0.p0(ptr %16, ptr @.str.5, ptr @.str.1, i32 13, ptr null)
%18 = getelementptr inbounds %class.B, ptr %17, i32 0, i32 0
%19 = call ptr @llvm.ptr.annotation.p0.p0(ptr %18, ptr @.str.6, ptr @.str.1, i32 5, ptr null)
%20 = load i32, ptr %19, align 4
call void @_Z3fooi(i32 noundef %20)
%21 = getelementptr inbounds %class.B, ptr %3, i32 0, i32 0
%22 = call ptr @llvm.ptr.annotation.p0.p0(ptr %21, ptr @.str.6, ptr @.str.1, i32 5, ptr null)
%23 = load i32, ptr %22, align 4
call void @_Z3fooi(i32 noundef %23)
ret i32 0
}

declare void @_Z3fooi(i32 noundef) #2

declare ptr @llvm.ptr.annotation.p0.p0(ptr, ptr, ptr, i32, ptr) #3

attributes #0 = { mustprogress noinline norecurse optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) }