diff options
| author | Hsiangkai Wang <kai.wang@sifive.com> | 2021-05-20 10:22:08 +0800 |
|---|---|---|
| committer | Hsiangkai Wang <kai.wang@sifive.com> | 2021-06-07 23:30:13 +0800 |
| commit | 2b13ff69794680ea0764e516f5b69b80219771b7 (patch) | |
| tree | e54b5c3f83f102cc4047b8d3f4e625b58d7eeb12 /clang/lib/CodeGen/CGCall.cpp | |
| parent | cfcdebaf323575952ef8326c32e47d351b79ee37 (diff) | |
| download | llvm-2b13ff69794680ea0764e516f5b69b80219771b7.zip llvm-2b13ff69794680ea0764e516f5b69b80219771b7.tar.gz llvm-2b13ff69794680ea0764e516f5b69b80219771b7.tar.bz2 | |
[Clang][CodeGen] Set the size of llvm.lifetime to unknown for scalable types.
If the memory object is scalable type, we do not know the exact size of
it at compile time. Set the size of lifetime marker to unknown if the
object is scalable one.
Differential Revision: https://reviews.llvm.org/D102822
Diffstat (limited to 'clang/lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index beb6b0f..1cd972f 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -4683,7 +4683,7 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo, } else { SRetPtr = CreateMemTemp(RetTy, "tmp", &SRetAlloca); if (HaveInsertPoint() && ReturnValue.isUnused()) { - uint64_t size = + llvm::TypeSize size = CGM.getDataLayout().getTypeAllocSize(ConvertTypeForMem(RetTy)); UnusedReturnSizePtr = EmitLifetimeStart(size, SRetAlloca.getPointer()); } @@ -4844,7 +4844,7 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo, IRCallArgs[FirstIRArg] = AI.getPointer(); // Emit lifetime markers for the temporary alloca. - uint64_t ByvalTempElementSize = + llvm::TypeSize ByvalTempElementSize = CGM.getDataLayout().getTypeAllocSize(AI.getElementType()); llvm::Value *LifetimeSize = EmitLifetimeStart(ByvalTempElementSize, AI.getPointer()); |