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 '.omp_outlined..0' 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; CHECK: CS<None> calls function 'd' 10; 11; CHECK: Call graph node for function: '.omp_outlined..0'<<{{.*}}>> #uses=1 12; 13; CHECK: Call graph node for function: '.omp_outlined..1'<<{{.*}}>> #uses=3 14; CHECK: CS<{{.*}}> calls function 'd' 15; 16; CHECK: Call graph node for function: '__kmpc_fork_call'<<{{.*}}>> #uses=3 17; CHECK: CS<None> calls external node 18; 19; CHECK: Call graph node for function: 'd'<<{{.*}}>> #uses=2 20; CHECK: CS<None> calls external node 21; 22; CHECK: Call graph node for function: 'dead_fork_call'<<{{.*}}>> #uses=1 23; 24; CHECK: Call graph node for function: 'dead_fork_call2'<<{{.*}}>> #uses=0 25; CHECK: CS<{{.*}}> calls function '__kmpc_fork_call' 26; CHECK: CS<None> calls function '.omp_outlined..1' 27; 28; CHECK: Call graph node for function: 'live_fork_call'<<{{.*}}>> #uses=1 29; CHECK: CS<{{.*}}> calls function '__kmpc_fork_call' 30; CHECK: CS<None> calls function '.omp_outlined..1' 31 32 33%struct.ident_t = type { i32, i32, i32, i32, i8* } 34 35@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1 36@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 37 38define dso_local void @dead_fork_call() { 39entry: 40 br i1 true, label %if.then, label %if.else 41 42if.then: ; preds = %entry 43 br label %if.end 44 45if.else: ; preds = %entry 46 call void @dead_fork_call2() 47 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*, ...)*)) 48 br label %if.end 49 50if.end: ; preds = %if.else, %if.then 51 ret void 52} 53 54define internal void @dead_fork_call2() { 55entry: 56 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*, ...)*)) 57 ret void 58} 59 60define internal void @.omp_outlined..0(i32* noalias %.global_tid., i32* noalias %.bound_tid.) { 61entry: 62 %.global_tid..addr = alloca i32*, align 8 63 %.bound_tid..addr = alloca i32*, align 8 64 store i32* %.global_tid., i32** %.global_tid..addr, align 8 65 store i32* %.bound_tid., i32** %.bound_tid..addr, align 8 66 ret void 67} 68 69declare !callback !2 void @__kmpc_fork_call(%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) 70 71define dso_local void @live_fork_call() { 72entry: 73 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*, ...)*)) 74 ret void 75} 76 77define internal void @.omp_outlined..1(i32* noalias %.global_tid., i32* noalias %.bound_tid.) { 78entry: 79 %.global_tid..addr = alloca i32*, align 8 80 %.bound_tid..addr = alloca i32*, align 8 81 store i32* %.global_tid., i32** %.global_tid..addr, align 8 82 store i32* %.bound_tid., i32** %.bound_tid..addr, align 8 83 call void (...) @d() 84 ret void 85} 86 87declare dso_local void @d(...) 88 89!0 = !{i32 1, !"wchar_size", i32 4} 90!1 = !{!"clang version 11.0.0"} 91!2 = !{!3} 92!3 = !{i64 2, i64 -1, i64 -1, i1 true} 93