diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2016-07-23 20:41:05 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2016-07-23 20:41:05 +0000 |
| commit | 01095a5d43bbfde13731688ddcf6048ebb8b7721 (patch) | |
| tree | 4def12e759965de927d963ac65840d663ef9d1ea /test/CodeGen/AMDGPU/promote-alloca-array-allocation.ll | |
| parent | f0f4822ed4b66e3579e92a89f368f8fb860e218e (diff) | |
Diffstat (limited to 'test/CodeGen/AMDGPU/promote-alloca-array-allocation.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/promote-alloca-array-allocation.ll | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/promote-alloca-array-allocation.ll b/test/CodeGen/AMDGPU/promote-alloca-array-allocation.ll new file mode 100644 index 0000000000000..3bd0aecf7aa9e --- /dev/null +++ b/test/CodeGen/AMDGPU/promote-alloca-array-allocation.ll @@ -0,0 +1,50 @@ +; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -amdgpu-promote-alloca < %s | FileCheck %s + +; Make sure this allocates the correct size if the alloca has a non-0 +; number of elements. + +; CHECK-LABEL: @array_alloca( +; CHECK: %stack = alloca i32, i32 5, align 4 +define void @array_alloca(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #0 { +entry: + %stack = alloca i32, i32 5, align 4 + %ld0 = load i32, i32 addrspace(1)* %in, align 4 + %arrayidx1 = getelementptr inbounds i32, i32* %stack, i32 %ld0 + store i32 4, i32* %arrayidx1, align 4 + %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 + %ld1 = load i32, i32 addrspace(1)* %arrayidx2, align 4 + %arrayidx3 = getelementptr inbounds i32, i32* %stack, i32 %ld1 + store i32 5, i32* %arrayidx3, align 4 + %arrayidx10 = getelementptr inbounds i32, i32* %stack, i32 0 + %ld2 = load i32, i32* %arrayidx10, align 4 + store i32 %ld2, i32 addrspace(1)* %out, align 4 + %arrayidx12 = getelementptr inbounds i32, i32* %stack, i32 1 + %ld3 = load i32, i32* %arrayidx12 + %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1 + store i32 %ld3, i32 addrspace(1)* %arrayidx13 + ret void +} + +; CHECK-LABEL: @array_alloca_dynamic( +; CHECK: %stack = alloca i32, i32 %size, align 4 +define void @array_alloca_dynamic(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in, i32 %size) #0 { +entry: + %stack = alloca i32, i32 %size, align 4 + %ld0 = load i32, i32 addrspace(1)* %in, align 4 + %arrayidx1 = getelementptr inbounds i32, i32* %stack, i32 %ld0 + store i32 4, i32* %arrayidx1, align 4 + %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1 + %ld1 = load i32, i32 addrspace(1)* %arrayidx2, align 4 + %arrayidx3 = getelementptr inbounds i32, i32* %stack, i32 %ld1 + store i32 5, i32* %arrayidx3, align 4 + %arrayidx10 = getelementptr inbounds i32, i32* %stack, i32 0 + %ld2 = load i32, i32* %arrayidx10, align 4 + store i32 %ld2, i32 addrspace(1)* %out, align 4 + %arrayidx12 = getelementptr inbounds i32, i32* %stack, i32 1 + %ld3 = load i32, i32* %arrayidx12 + %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1 + store i32 %ld3, i32 addrspace(1)* %arrayidx13 + ret void +} + +attributes #0 = { nounwind } |