1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
2; RUN: opt -S -openmp-opt-cgscc < %s | FileCheck %s
3; RUN: opt -S -passes=openmp-opt-cgscc < %s | FileCheck %s
4
5target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
6
7@inofth = external global i32, align 4
8
9define void @set() {
10; CHECK-LABEL: define {{[^@]+}}@set() {
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:    [[TMP0:%.*]] = load i32, i32* @inofth, align 4
13; CHECK-NEXT:    call void @omp_set_num_threads(i32 noundef [[TMP0]])
14; CHECK-NEXT:    ret void
15;
16entry:
17  %0 = load i32, i32* @inofth, align 4
18  call void @omp_set_num_threads(i32 noundef %0)
19  ret void
20}
21
22define i32 @test(i32 %a) {
23; CHECK-LABEL: define {{[^@]+}}@test
24; CHECK-SAME: (i32 [[A:%.*]]) {
25; CHECK-NEXT:  entry:
26; CHECK-NEXT:    call void @set()
27; CHECK-NEXT:    [[CALL:%.*]] = call i32 @omp_get_max_threads()
28; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i32 [[CALL]], [[A]]
29; CHECK-NEXT:    br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
30; CHECK:       if.then:
31; CHECK-NEXT:    ret i32 0
32; CHECK:       if.end:
33; CHECK-NEXT:    ret i32 1
34;
35entry:
36  call void @set()
37  %call = call i32 @omp_get_max_threads()
38  %cmp = icmp ne i32 %call, %a
39  br i1 %cmp, label %if.then, label %if.end
40
41if.then:                                          ; preds = %entry
42  ret i32 0
43
44if.end:                                           ; preds = %if.then, %entry
45  ret i32 1
46}
47
48declare void @omp_set_num_threads(i32 noundef)
49declare i32 @omp_get_max_threads()
50
51!llvm.module.flags = !{!0}
52
53!0 = !{i32 7, !"openmp", i32 50}
54