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-LABEL: define i32 @_Z1fv() #0 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() [[NUW_RN:#[0-9]+]] 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 35 // CHECK: attributes [[NUW_RN]] = { nounwind readnone{{.*}} } 36
