| Eli Friedman | cb48f8a | 2009-12-24 23:33:34 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s |
| 2 | |
| 3 | struct A { int x; A(int); ~A(); }; |
| 4 | A f() { return A(0); } |
| 5 | // CHECK: define void @_Z1fv |
| 6 | // CHECK: call void @_ZN1AC1Ei |
| 7 | // CHECK-NEXT: ret void |
| Douglas Gregor | b8f7de9 | 2010-08-22 18:27:02 +0000 | [diff] [blame] | 8 | |
| 9 | // Verify that we do not elide copies when constructing a base class. |
| 10 | namespace no_elide_base { |
| 11 | struct Base { |
| 12 | Base(const Base&); |
| 13 | ~Base(); |
| 14 | }; |
| 15 | |
| 16 | struct Other { |
| 17 | operator Base() const; |
| 18 | }; |
| 19 | |
| 20 | struct Derived : public virtual Base { |
| 21 | Derived(const Other &O); |
| 22 | }; |
| 23 | |
| 24 | // CHECK: define void @_ZN13no_elide_base7DerivedC1ERKNS_5OtherE |
| 25 | Derived::Derived(const Other &O) |
| 26 | // CHECK: call void @_ZNK13no_elide_base5OthercvNS_4BaseEEv |
| 27 | // CHECK: call void @_ZN13no_elide_base4BaseC2ERKS0_ |
| 28 | // CHECK: call void @_ZN13no_elide_base4BaseD1Ev |
| 29 | : Base(O) |
| 30 | { |
| 31 | // CHECK: ret void |
| 32 | } |
| 33 | } |