clang/test/CodeGenCXX/ubsan-function-noexcept.cpp

   1 // RUN: %clang_cc1 -std=c++17 -fsanitize=function -emit-llvm -triple x86_64-linux-gnu %s -o - | FileCheck %s
   2
   3 /// Check the following two functions have the same func_sanitize metadata, i.e.
   4 /// they have the same type hash despite the exception specifier.
   5 // CHECK: define{{.*}} void @_Z1fv() #[[#]] !func_sanitize ![[FUNCSAN:.*]] {
   6 // CHECK: define{{.*}} void @_Z10f_noexceptv() #[[#]] !func_sanitize
   7 // CHECK-SAME: ![[FUNCSAN]] {
   8 void f() {}
   9 void f_noexcept() noexcept {}
  10
  11 // CHECK: define{{.*}} void @_Z1gPDoFvvE
  12 void g(void (*p)() noexcept) {
  13   // CHECK: icmp eq i32 %{{.*}}, -1056584962, !nosanitize
  14   // CHECK: icmp eq i32 %{{.*}}, [[Hash:[-0-9]+]], !nosanitize
  15   p();
  16 }
  17
  18 // CHECK: ![[FUNCSAN]] = !{i32 -1056584962, i32 [[Hash]]}