1 ; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -passes=amdgpu-promote-alloca %s | FileCheck -check-prefix=OPT %s
3 target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5"
5 declare void @llvm.lifetime.start.p5(i64, ptr addrspace(5) nocapture) #0
6 declare void @llvm.lifetime.end.p5(i64, ptr addrspace(5) nocapture) #0
8 ; OPT-LABEL: @use_lifetime_promotable_lds(
10 ; OPT-NOT: llvm.lifetime
11 ; OPT: store i32 %tmp3, ptr addrspace(3)
12 define amdgpu_kernel void @use_lifetime_promotable_lds(ptr addrspace(1) %arg) #2 {
14 %tmp = alloca i32, align 4, addrspace(5)
15 call void @llvm.lifetime.start.p5(i64 4, ptr addrspace(5) %tmp)
16 %tmp2 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 1
17 %tmp3 = load i32, ptr addrspace(1) %tmp2
18 store i32 %tmp3, ptr addrspace(5) %tmp
19 call void @llvm.lifetime.end.p5(i64 4, ptr addrspace(5) %tmp)
23 ; After handling the alloca, the lifetime was erased. This was the
24 ; next iterator to be checked as an alloca, crashing.
26 ; OPT-LABEL: @iterator_erased_lifetime(
28 define amdgpu_kernel void @iterator_erased_lifetime() {
30 %alloca = alloca i8, align 1, addrspace(5)
31 call void @llvm.lifetime.start.p5(i64 1, ptr addrspace(5) %alloca)
35 attributes #0 = { argmemonly nounwind }
36 attributes #1 = { nounwind readnone }
37 attributes #2 = { nounwind }