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1; RUN: opt < %s -instcombine -attributor-cgscc -print-callgraph -disable-output -verify 2>&1 -enable-new-pm=0 | FileCheck %s
2
3; CHECK: Call graph node <<null function>><<{{.*}}>>  #uses=0
4; CHECK:   CS<None> calls function 'dead_fork_call'
5; CHECK:   CS<None> calls function 'd'
6; CHECK:   CS<None> calls function '__kmpc_fork_call'
7; CHECK:   CS<None> calls function 'live_fork_call'
8; CHECK:   CS<None> calls function '.omp_outlined..1'
9;
10; CHECK: Call graph node for function: '.omp_outlined..1'<<{{.*}}>>  #uses=3
11; CHECK:   CS<{{.*}}> calls function 'd'
12;
13; CHECK: Call graph node for function: '__kmpc_fork_call'<<{{.*}}>>  #uses=3
14; CHECK:   CS<None> calls external node
15;
16; CHECK: Call graph node for function: 'd'<<{{.*}}>>  #uses=2
17; CHECK:   CS<None> calls external node
18;
19; CHECK: Call graph node for function: 'dead_fork_call'<<{{.*}}>>  #uses=1
20;
21; CHECK: Call graph node for function: 'dead_fork_call2'<<{{.*}}>>  #uses=0
22; CHECK:   CS<{{.*}}> calls function '__kmpc_fork_call'
23; CHECK:   CS<None> calls function '.omp_outlined..1'
24;
25; CHECK: Call graph node for function: 'live_fork_call'<<{{.*}}>>  #uses=1
26; CHECK:   CS<{{.*}}> calls function '__kmpc_fork_call'
27; CHECK:   CS<None> calls function '.omp_outlined..1'
28
29
30%struct.ident_t = type { i32, i32, i32, i32, i8* }
31
32@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
33@0 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0) }, align 8
34
35define dso_local void @dead_fork_call() {
36entry:
37  br i1 true, label %if.then, label %if.else
38
39if.then:                                          ; preds = %entry
40  br label %if.end
41
42if.else:                                          ; preds = %entry
43  call void @dead_fork_call2()
44  call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..0 to void (i32*, i32*, ...)*))
45  br label %if.end
46
47if.end:                                           ; preds = %if.else, %if.then
48  ret void
49}
50
51define internal void @dead_fork_call2() {
52entry:
53  call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..1 to void (i32*, i32*, ...)*))
54  ret void
55}
56
57define internal void @.omp_outlined..0(i32* noalias %.global_tid., i32* noalias %.bound_tid.) {
58entry:
59  %.global_tid..addr = alloca i32*, align 8
60  %.bound_tid..addr = alloca i32*, align 8
61  store i32* %.global_tid., i32** %.global_tid..addr, align 8
62  store i32* %.bound_tid., i32** %.bound_tid..addr, align 8
63  ret void
64}
65
66declare !callback !2 void @__kmpc_fork_call(%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...)
67
68define dso_local void @live_fork_call() {
69entry:
70  call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..1 to void (i32*, i32*, ...)*))
71  ret void
72}
73
74define internal void @.omp_outlined..1(i32* noalias %.global_tid., i32* noalias %.bound_tid.) {
75entry:
76  %.global_tid..addr = alloca i32*, align 8
77  %.bound_tid..addr = alloca i32*, align 8
78  store i32* %.global_tid., i32** %.global_tid..addr, align 8
79  store i32* %.bound_tid., i32** %.bound_tid..addr, align 8
80  call void (...) @d()
81  ret void
82}
83
84declare dso_local void @d(...)
85
86!0 = !{i32 1, !"wchar_size", i32 4}
87!1 = !{!"clang version 11.0.0"}
88!2 = !{!3}
89!3 = !{i64 2, i64 -1, i64 -1, i1 true}
90