clang/test/CodeGenCXX/cxx2c-consteval-propagate.cpp

   1 // RUN: %clang_cc1 -emit-llvm %s -std=c++20 -triple x86_64-unknown-linux-gnu -o - | FileCheck %s
   2
   3 namespace GH63742 {
   4
   5 void side_effect();
   6 consteval int f(int x) {
   7     if (!__builtin_is_constant_evaluated()) side_effect();
   8     return x;
   9 }
  10 struct SS {
  11     int x = f(42);
  12     SS();
  13 };
  14 SS::SS(){}
  15
  16 }
  17
  18 // CHECK-LABEL: @_ZN7GH637422SSC2Ev
  19 // CHECK-NOT:   call
  20 // CHECK:       store i32 42, ptr {{.*}}
  21 // CHECK:       ret void