1; RUN: opt < %s -passes='function(instcombine),cgscc(attributor-cgscc),print-callgraph' -disable-output 2>&1 | FileCheck %s 2 3; CHECK: Call graph node <<null function>><<{{.*}}>> #uses=0 4; CHECK-NEXT: CS<None> calls function 'dead_fork_call' 5; CHECK-NEXT: CS<None> calls function '__kmpc_fork_call' 6; CHECK-NEXT: CS<None> calls function 'live_fork_call' 7; CHECK-NEXT: CS<None> calls function 'd' 8; 9; CHECK: Call graph node for function: '.omp_outlined..0'<<{{.*}}>> #uses=0 10; 11; CHECK: Call graph node for function: '.omp_outlined..1'<<{{.*}}>> #uses=2 12; CHECK: CS<{{.*}}> calls function 'd' 13; 14; CHECK: Call graph node for function: '__kmpc_fork_call'<<{{.*}}>> #uses=3 15; CHECK: CS<None> calls external node 16; 17; CHECK: Call graph node for function: 'd'<<{{.*}}>> #uses=2 18; CHECK: CS<None> calls external node 19; 20; CHECK: Call graph node for function: 'dead_fork_call'<<{{.*}}>> #uses=1 21; 22; CHECK: Call graph node for function: 'dead_fork_call2'<<{{.*}}>> #uses=0 23; CHECK: CS<{{.*}}> calls function '__kmpc_fork_call' 24; CHECK: CS<None> calls function '.omp_outlined..1' 25; 26; CHECK: Call graph node for function: 'live_fork_call'<<{{.*}}>> #uses=1 27; CHECK: CS<{{.*}}> calls function '__kmpc_fork_call' 28; CHECK: CS<None> calls function '.omp_outlined..1' 29 30 31%struct.ident_t = type { i32, i32, i32, i32, ptr } 32 33@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1 34@0 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, ptr @.str }, align 8 35 36define dso_local void @dead_fork_call() { 37entry: 38 br i1 true, label %if.then, label %if.else 39 40if.then: ; preds = %entry 41 br label %if.end 42 43if.else: ; preds = %entry 44 call void @dead_fork_call2() 45 call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @0, i32 0, ptr @.omp_outlined..0) 46 br label %if.end 47 48if.end: ; preds = %if.else, %if.then 49 ret void 50} 51 52define internal void @dead_fork_call2() { 53entry: 54 call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @0, i32 0, ptr @.omp_outlined..1) 55 ret void 56} 57 58define internal void @.omp_outlined..0(ptr noalias %.global_tid., ptr noalias %.bound_tid.) { 59entry: 60 %.global_tid..addr = alloca ptr, align 8 61 %.bound_tid..addr = alloca ptr, align 8 62 store ptr %.global_tid., ptr %.global_tid..addr, align 8 63 store ptr %.bound_tid., ptr %.bound_tid..addr, align 8 64 ret void 65} 66 67declare !callback !2 void @__kmpc_fork_call(ptr, i32, ptr, ...) 68 69define dso_local void @live_fork_call() { 70entry: 71 call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @0, i32 0, ptr @.omp_outlined..1) 72 ret void 73} 74 75define internal void @.omp_outlined..1(ptr noalias %.global_tid., ptr noalias %.bound_tid.) { 76entry: 77 %.global_tid..addr = alloca ptr, align 8 78 %.bound_tid..addr = alloca ptr, align 8 79 store ptr %.global_tid., ptr %.global_tid..addr, align 8 80 store ptr %.bound_tid., ptr %.bound_tid..addr, align 8 81 call void (...) @d() 82 ret void 83} 84 85declare dso_local void @d(...) 86 87!0 = !{i32 1, !"wchar_size", i32 4} 88!1 = !{!"clang version 11.0.0"} 89!2 = !{!3} 90!3 = !{i64 2, i64 -1, i64 -1, i1 true} 91