forked from OSchip/llvm-project
28 lines
1.3 KiB
LLVM
28 lines
1.3 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-- -data-layout=A5 -amdgpu-promote-alloca -sroa -instcombine < %s | FileCheck -check-prefix=OPT %s
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; Should give up promoting alloca to vector with an addrspacecast.
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; OPT-LABEL: @vector_addrspacecast(
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; OPT: alloca [3 x i32]
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; OPT: store i32 0, i32 addrspace(5)* %a0, align 4
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; OPT: store i32 1, i32 addrspace(5)* %a1, align 4
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; OPT: store i32 2, i32 addrspace(5)* %a2, align 4
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; OPT: %tmp = getelementptr [3 x i32], [3 x i32] addrspace(5)* %alloca, i64 0, i64 %index
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; OPT: %ac = addrspacecast i32 addrspace(5)* %tmp to i32*
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; OPT: %data = load i32, i32* %ac, align 4
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define amdgpu_kernel void @vector_addrspacecast(i32 addrspace(1)* %out, i64 %index) {
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entry:
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%alloca = alloca [3 x i32], addrspace(5)
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%a0 = getelementptr [3 x i32], [3 x i32] addrspace(5)* %alloca, i32 0, i32 0
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%a1 = getelementptr [3 x i32], [3 x i32] addrspace(5)* %alloca, i32 0, i32 1
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%a2 = getelementptr [3 x i32], [3 x i32] addrspace(5)* %alloca, i32 0, i32 2
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store i32 0, i32 addrspace(5)* %a0
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store i32 1, i32 addrspace(5)* %a1
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store i32 2, i32 addrspace(5)* %a2
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%tmp = getelementptr [3 x i32], [3 x i32] addrspace(5)* %alloca, i64 0, i64 %index
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%ac = addrspacecast i32 addrspace(5)* %tmp to i32 *
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%data = load i32, i32 * %ac
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store i32 %data, i32 addrspace(1)* %out
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ret void
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}
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