test/CodeGenCXX/member-initializers.cpp

   1 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin10 -O3 | FileCheck %s
   2
   3 struct A {
   4   virtual int f() { return 1; }
   5 };
   6
   7 struct B : A {
   8   B() : i(f()) { }
   9
  10   virtual int f() { return 2; }
  11
  12   int i;
  13 };
  14
  15 // CHECK: define i32 @_Z1fv() nounwind
  16 int f() {
  17   B b;
  18
  19   // CHECK: ret i32 2
  20   return b.i;
  21 }
  22
  23 // Test that we don't try to fold the default value of j when initializing i.
  24 // CHECK: define i32 @_Z9test_foldv() nounwind
  25 int test_fold() {
  26   struct A {
  27     A(const int j = 1) : i(j) { }
  28     int i;
  29   };
  30
  31   // CHECK: ret i32 2
  32   return A(2).i;
  33 }
  34