| ; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-promote-alloca %s | FileCheck -check-prefix=OPT %s |
| |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0 |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0 |
| |
| ; OPT-LABEL: @use_lifetime_promotable_lds( |
| ; OPT-NOT: alloca i32 |
| ; OPT-NOT: llvm.lifetime |
| ; OPT: store i32 %tmp3, i32 addrspace(3)* |
| define amdgpu_kernel void @use_lifetime_promotable_lds(i32 addrspace(1)* %arg) #2 { |
| bb: |
| %tmp = alloca i32, align 4 |
| %tmp1 = bitcast i32* %tmp to i8* |
| call void @llvm.lifetime.start.p0i8(i64 4, i8* %tmp1) |
| %tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1 |
| %tmp3 = load i32, i32 addrspace(1)* %tmp2 |
| store i32 %tmp3, i32* %tmp |
| call void @llvm.lifetime.end.p0i8(i64 4, i8* %tmp1) |
| ret void |
| } |
| |
| attributes #0 = { argmemonly nounwind } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { nounwind } |
