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