1; RUN: opt < %s -passes=print-callgraph -disable-output 2>&1 | FileCheck %s 2; CHECK: Call graph node <<null function>><<{{.*}}>> #uses=0 3; CHECK-NEXT: CS<{{.*}}> calls function 'f' 4; CHECK-NEXT: CS<{{.*}}> calls function '__kmpc_fork_call' 5; CHECK-EMPTY: 6 7%struct.ident_t = type { i32, i32, i32, i32, ptr } 8 9@0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1 10@1 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, ptr @0 }, align 8 11 12; Function Attrs: noinline nounwind optnone uwtable 13define dso_local void @f() { 14entry: 15 br label %omp_parallel 16 17omp_parallel: ; preds = %entry 18 call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @1, i32 0, ptr @f..omp_par) 19 br label %omp.par.exit.split 20 21omp.par.exit.split: ; preds = %omp_parallel 22 ret void 23} 24 25; Function Attrs: norecurse nounwind 26define internal void @f..omp_par(ptr noalias %tid.addr, ptr noalias %zero.addr) { 27omp.par.entry: 28 %tid.addr.local = alloca i32, align 4 29 %0 = load i32, ptr %tid.addr, align 4 30 store i32 %0, ptr %tid.addr.local, align 4 31 %tid = load i32, ptr %tid.addr.local, align 4 32 br label %omp.par.region 33 34omp.par.exit.split.exitStub: ; preds = %omp.par.outlined.exit 35 ret void 36 37omp.par.region: ; preds = %omp.par.entry 38 br label %omp.par.pre_finalize 39 40omp.par.pre_finalize: ; preds = %omp.par.region 41 br label %omp.par.outlined.exit 42 43omp.par.outlined.exit: ; preds = %omp.par.pre_finalize 44 br label %omp.par.exit.split.exitStub 45} 46 47; Function Attrs: nounwind 48declare !callback !2 void @__kmpc_fork_call(ptr, i32, ptr, ...) #2 49 50!2 = !{!3} 51!3 = !{i64 2, i64 -1, i64 -1, i1 true} 52