1 ; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=amdgpu-promote-alloca < %s | FileCheck %s
3 ; Make sure this allocates the correct size if the alloca has a non-0
6 ; CHECK-LABEL: @array_alloca(
7 ; CHECK: %stack = alloca i32, i32 5, align 4, addrspace(5)
8 define amdgpu_kernel void @array_alloca(ptr addrspace(1) nocapture %out, ptr addrspace(1) nocapture %in) #0 {
10 %stack = alloca i32, i32 5, align 4, addrspace(5)
11 %ld0 = load i32, ptr addrspace(1) %in, align 4
12 %arrayidx1 = getelementptr inbounds i32, ptr addrspace(5) %stack, i32 %ld0
13 store i32 4, ptr addrspace(5) %arrayidx1, align 4
14 %arrayidx2 = getelementptr inbounds i32, ptr addrspace(1) %in, i32 1
15 %ld1 = load i32, ptr addrspace(1) %arrayidx2, align 4
16 %arrayidx3 = getelementptr inbounds i32, ptr addrspace(5) %stack, i32 %ld1
17 store i32 5, ptr addrspace(5) %arrayidx3, align 4
18 %ld2 = load i32, ptr addrspace(5) %stack, align 4
19 store i32 %ld2, ptr addrspace(1) %out, align 4
20 %arrayidx12 = getelementptr inbounds i32, ptr addrspace(5) %stack, i32 1
21 %ld3 = load i32, ptr addrspace(5) %arrayidx12
22 %arrayidx13 = getelementptr inbounds i32, ptr addrspace(1) %out, i32 1
23 store i32 %ld3, ptr addrspace(1) %arrayidx13
27 ; CHECK-LABEL: @array_alloca_dynamic(
28 ; CHECK: %stack = alloca i32, i32 %size, align 4, addrspace(5)
29 define amdgpu_kernel void @array_alloca_dynamic(ptr addrspace(1) nocapture %out, ptr addrspace(1) nocapture %in, i32 %size) #0 {
31 %stack = alloca i32, i32 %size, align 4, addrspace(5)
32 %ld0 = load i32, ptr addrspace(1) %in, align 4
33 %arrayidx1 = getelementptr inbounds i32, ptr addrspace(5) %stack, i32 %ld0
34 store i32 4, ptr addrspace(5) %arrayidx1, align 4
35 %arrayidx2 = getelementptr inbounds i32, ptr addrspace(1) %in, i32 1
36 %ld1 = load i32, ptr addrspace(1) %arrayidx2, align 4
37 %arrayidx3 = getelementptr inbounds i32, ptr addrspace(5) %stack, i32 %ld1
38 store i32 5, ptr addrspace(5) %arrayidx3, align 4
39 %ld2 = load i32, ptr addrspace(5) %stack, align 4
40 store i32 %ld2, ptr addrspace(1) %out, align 4
41 %arrayidx12 = getelementptr inbounds i32, ptr addrspace(5) %stack, i32 1
42 %ld3 = load i32, ptr addrspace(5) %arrayidx12
43 %arrayidx13 = getelementptr inbounds i32, ptr addrspace(1) %out, i32 1
44 store i32 %ld3, ptr addrspace(1) %arrayidx13
48 attributes #0 = { nounwind }