51 lines
2.2 KiB
LLVM
51 lines
2.2 KiB
LLVM
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; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -amdgpu-promote-alloca < %s | FileCheck %s
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; Make sure this allocates the correct size if the alloca has a non-0
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; number of elements.
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; CHECK-LABEL: @array_alloca(
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; CHECK: %stack = alloca i32, i32 5, align 4
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define amdgpu_kernel void @array_alloca(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #0 {
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entry:
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%stack = alloca i32, i32 5, align 4
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%ld0 = load i32, i32 addrspace(1)* %in, align 4
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%arrayidx1 = getelementptr inbounds i32, i32* %stack, i32 %ld0
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store i32 4, i32* %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
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%ld1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
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%arrayidx3 = getelementptr inbounds i32, i32* %stack, i32 %ld1
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store i32 5, i32* %arrayidx3, align 4
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%arrayidx10 = getelementptr inbounds i32, i32* %stack, i32 0
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%ld2 = load i32, i32* %arrayidx10, align 4
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store i32 %ld2, i32 addrspace(1)* %out, align 4
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%arrayidx12 = getelementptr inbounds i32, i32* %stack, i32 1
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%ld3 = load i32, i32* %arrayidx12
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%arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
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store i32 %ld3, i32 addrspace(1)* %arrayidx13
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ret void
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}
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; CHECK-LABEL: @array_alloca_dynamic(
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; CHECK: %stack = alloca i32, i32 %size, align 4
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define amdgpu_kernel void @array_alloca_dynamic(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in, i32 %size) #0 {
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entry:
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%stack = alloca i32, i32 %size, align 4
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%ld0 = load i32, i32 addrspace(1)* %in, align 4
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%arrayidx1 = getelementptr inbounds i32, i32* %stack, i32 %ld0
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store i32 4, i32* %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
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%ld1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
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%arrayidx3 = getelementptr inbounds i32, i32* %stack, i32 %ld1
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store i32 5, i32* %arrayidx3, align 4
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%arrayidx10 = getelementptr inbounds i32, i32* %stack, i32 0
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%ld2 = load i32, i32* %arrayidx10, align 4
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store i32 %ld2, i32 addrspace(1)* %out, align 4
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%arrayidx12 = getelementptr inbounds i32, i32* %stack, i32 1
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%ld3 = load i32, i32* %arrayidx12
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%arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
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store i32 %ld3, i32 addrspace(1)* %arrayidx13
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ret void
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}
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attributes #0 = { nounwind }
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