1 // RUN: %clang -cc1 -x c++ -triple x86_64-unknown-unknown -O0 -emit-llvm -enable-noundef-analysis -o - %s | FileCheck %s 2 3 union u1 { 4 int val; 5 }; 6 7 // CHECK: @indirect_callee_int_ptr = [[GLOBAL:(dso_local )?global]] i32 (i32)* 8 int (*indirect_callee_int_ptr)(int); 9 // CHECK: @indirect_callee_union_ptr = [[GLOBAL]] i32 (i32)* 10 union u1 (*indirect_callee_union_ptr)(union u1); 11 12 // CHECK: [[DEFINE:define( dso_local)?]] noundef i32 @{{.*}}indirect_callee_int{{.*}}(i32 noundef % 13 int indirect_callee_int(int a) { return a; } 14 // CHECK: [[DEFINE]] i32 @{{.*}}indirect_callee_union{{.*}}(i32 % 15 union u1 indirect_callee_union(union u1 a) { 16 return a; 17 } 18 19 int main() { 20 // CHECK: call noundef i32 @{{.*}}indirect_callee_int{{.*}}(i32 noundef 0) 21 indirect_callee_int(0); 22 // CHECK: call i32 @{{.*}}indirect_callee_union{{.*}}(i32 % 23 indirect_callee_union((union u1){0}); 24 25 indirect_callee_int_ptr = indirect_callee_int; 26 indirect_callee_union_ptr = indirect_callee_union; 27 28 // CHECK: call noundef i32 %{{.*}}(i32 noundef 0) 29 indirect_callee_int_ptr(0); 30 // CHECK: call i32 %{{.*}}(i32 % 31 indirect_callee_union_ptr((union u1){}); 32 33 return 0; 34 } 35