1 ; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-promote-alloca %s | FileCheck -check-prefix=OPT %s
3 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0
4 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
6 ; OPT-LABEL: @use_lifetime_promotable_lds(
8 ; OPT-NOT: llvm.lifetime
9 ; OPT: store i32 %tmp3, i32 addrspace(3)*
10 define amdgpu_kernel void @use_lifetime_promotable_lds(i32 addrspace(1)* %arg) #2 {
12 %tmp = alloca i32, align 4
13 %tmp1 = bitcast i32* %tmp to i8*
14 call void @llvm.lifetime.start.p0i8(i64 4, i8* %tmp1)
15 %tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
16 %tmp3 = load i32, i32 addrspace(1)* %tmp2
17 store i32 %tmp3, i32* %tmp
18 call void @llvm.lifetime.end.p0i8(i64 4, i8* %tmp1)
22 attributes #0 = { argmemonly nounwind }
23 attributes #1 = { nounwind readnone }
24 attributes #2 = { nounwind }