llvm/test/CodeGen/AMDGPU/promote-alloca-lifetime.ll
Matt Arsenault fb5f7807e0 AMDGPU: Fix test not actually testing anything
It wasn't actually running the pass, and since it is
missing the llvm prefix, the eh intrinsic was not
really an IntrinsicInst.

Also add missing test for lifetime markers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275370 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-14 05:23:15 +00:00

25 lines
850 B
LLVM

; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-promote-alloca %s | FileCheck -check-prefix=OPT %s
declare void @llvm.lifetime.start(i64, i8* nocapture) #0
declare void @llvm.lifetime.end(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 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(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(i64 4, i8* %tmp1)
ret void
}
attributes #0 = { argmemonly nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }