1 ; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-promote-alloca %s | FileCheck -check-prefix=OPT %s 2 3 declare void @llvm.lifetime.start(i64, i8* nocapture) #0 4 declare void @llvm.lifetime.end(i64, i8* nocapture) #0 5 6 ; OPT-LABEL: @use_lifetime_promotable_lds( 7 ; OPT-NOT: alloca i32 8 ; OPT-NOT: llvm.lifetime 9 ; OPT: store i32 %tmp3, i32 addrspace(3)* 10 define void @use_lifetime_promotable_lds(i32 addrspace(1)* %arg) #2 { 11 bb: 12 %tmp = alloca i32, align 4 13 %tmp1 = bitcast i32* %tmp to i8* 14 call void @llvm.lifetime.start(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(i64 4, i8* %tmp1) 19 ret void 20 } 21 22 attributes #0 = { argmemonly nounwind } 23 attributes #1 = { nounwind readnone } 24 attributes #2 = { nounwind } 25
