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CodeGen: Fix invalid bitcast in partial initialization of automatic arrary variable 

Differential Revision: https://reviews.llvm.org/D39184

llvm-svn: 316353
This commit is contained in:
Yaxun Liu 2017-10-23 17:49:26 +00:00
parent f651698488
commit bd3823618d
2 changed files with 9 additions and 1 deletions
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2
clang/lib/CodeGen/CGDecl.cpp
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@ -1266,7 +1266,7 @@ void CodeGenFunction::EmitAutoVarInit(const AutoVarEmission &emission) {
llvm::ConstantInt::get(IntPtrTy,
getContext().getTypeSizeInChars(type).getQuantity());
llvm::Type *BP = Int8PtrTy;
llvm::Type *BP = AllocaInt8PtrTy;
if (Loc.getType() != BP)
Loc = Builder.CreateBitCast(Loc, BP);

8
clang/test/CodeGenOpenCL/amdgcn-automatic-variable.cl
View File

@ -58,3 +58,11 @@ void func2(void) {
const int lvc = 4;
lv1 = lvc;
}
// CHECK-LABEL: define void @func3()
// CHECK: %a = alloca [16 x [1 x float]], align 4, addrspace(5)
// CHECK: %[[CAST:.+]] = bitcast [16 x [1 x float]] addrspace(5)* %a to i8 addrspace(5)*
// CHECK: call void @llvm.memset.p5i8.i64(i8 addrspace(5)* %[[CAST]], i8 0, i64 64, i32 4, i1 false)
void func3(void) {
float a[16][1] = {{0.}};
}