xref: /llvm-project/llvm/test/Transforms/InstCombine/alloca-in-non-alloca-as.ll (revision 32f9983c064557883223b585810eac3c6797d500)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=instcombine -S | FileCheck %s
3
4; Gracefully handle the alloca that is not in the alloca AS (=5)
5
6target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-G1-ni:7:8:9"
7target triple = "amdgcn-amd-amdhsa"
8
9declare void @use(ptr)
10declare void @use2(ptr, ptr)
11
12define weak amdgpu_kernel void @__omp_offloading_802_ea0109_main_l8(ptr %a) {
13; CHECK-LABEL: @__omp_offloading_802_ea0109_main_l8(
14; CHECK-NEXT:  .master:
15; CHECK-NEXT:    [[TMP0:%.*]] = alloca [8 x i8], align 1
16; CHECK-NEXT:    call void @use2(ptr nonnull [[TMP0]], ptr nonnull [[TMP0]])
17; CHECK-NEXT:    ret void
18;
19.master:
20  %0 = alloca i8, i64 8, align 1
21  store ptr undef, ptr %0, align 8
22  call void @use2(ptr %0, ptr %0)
23  ret void
24}
25
26%struct.widget = type { [8 x i8] }
27
28define void @spam(ptr %arg1) {
29; CHECK-LABEL: @spam(
30; CHECK-NEXT:  bb:
31; CHECK-NEXT:    [[ALLOCA1:%.*]] = alloca [0 x [30 x %struct.widget]], align 16
32; CHECK-NEXT:    call void @zot(ptr nonnull [[ALLOCA1]])
33; CHECK-NEXT:    ret void
34;
35bb:
36  %alloca = alloca [30 x %struct.widget], i32 0, align 16
37  call void @zot(ptr %alloca)
38  ret void
39}
40
41define i1 @alloca_addrspace_0_nonnull() {
42; CHECK-LABEL: @alloca_addrspace_0_nonnull(
43; CHECK-NEXT:    [[ALLOCA:%.*]] = alloca i8, align 1
44; CHECK-NEXT:    call void @use(ptr nonnull [[ALLOCA]])
45; CHECK-NEXT:    ret i1 true
46;
47  %alloca = alloca i8
48  call void @use(ptr %alloca)
49  %cmp = icmp ne ptr %alloca, null
50  ret i1 %cmp
51}
52
53define i1 @alloca_addrspace_5_nonnull() {
54; CHECK-LABEL: @alloca_addrspace_5_nonnull(
55; CHECK-NEXT:    [[ALLOCA:%.*]] = alloca i8, align 1, addrspace(5)
56; CHECK-NEXT:    call void @use(ptr addrspace(5) [[ALLOCA]])
57; CHECK-NEXT:    [[CMP:%.*]] = icmp ne ptr addrspace(5) [[ALLOCA]], null
58; CHECK-NEXT:    ret i1 [[CMP]]
59;
60  %alloca = alloca i8, addrspace(5)
61  call void @use(ptr addrspace(5) %alloca)
62  %cmp = icmp ne ptr addrspace(5) %alloca, null
63  ret i1 %cmp
64}
65
66declare hidden void @zot(ptr)
67