xref: /llvm-project/llvm/test/Transforms/OpenMP/internals_cgscc.ll (revision 43c1c59f7388da6cc0687095aa93497f3d1d510d)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -passes=openmp-opt-cgscc < %s | FileCheck %s
3
4; Verify we remove the trivially dead store in a function that is not dead
5; (foo) but not in a dead function (dead) when running in cgscc mode.
6
7define internal void @dead() {
8; CHECK-LABEL: @dead(
9; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
10; CHECK-NEXT:    store i32 0, ptr [[A]], align 4
11; CHECK-NEXT:    ret void
12;
13  %a = alloca i32
14  store i32 0, ptr %a
15  ret void
16}
17
18define internal void @foo() {
19; CHECK-LABEL: @foo(
20; CHECK-NEXT:    [[A:%.*]] = alloca i32, align 4
21; CHECK-NEXT:    ret void
22;
23  %a = alloca i32
24  store i32 0, ptr %a
25  ret void
26}
27
28define internal void @bar() {
29; CHECK-LABEL: @bar(
30; CHECK-NEXT:    ret void
31;
32  call void @foo()
33  ret void
34}
35
36define void @baz() {
37; CHECK-LABEL: @baz(
38; CHECK-NEXT:    call void @bar()
39; CHECK-NEXT:    ret void
40;
41  call void @bar()
42  ret void
43}
44
45!llvm.module.flags = !{!0, !1}
46
47!0 = !{i32 7, !"openmp", i32 50}
48!1 = !{i32 7, !"openmp-device", i32 50}
49