| Sanjay Patel | 372c3f1 | 2018-01-19 15:14:51 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s |
| 2 | |
| 3 | class A { |
| 4 | int a; |
| 5 | }; |
| 6 | |
| 7 | class B { |
| 8 | int b; |
| 9 | public: |
| 10 | A *getAsA(); |
| 11 | }; |
| 12 | |
| 13 | class X : public A, public B { |
| 14 | int x; |
| 15 | }; |
| 16 | |
| 17 | // PR35909 - https://bugs.llvm.org/show_bug.cgi?id=35909 |
| 18 | |
| 19 | A *B::getAsA() { |
| 20 | return static_cast<X*>(this); |
| 21 | |
| Fangrui Song | dbc96b5 | 2020-02-03 10:09:39 -0800 | [diff] [blame] | 22 | // CHECK-LABEL: define %class.A* @_ZN1B6getAsAEv |
| Sanjay Patel | 372c3f1 | 2018-01-19 15:14:51 +0000 | [diff] [blame] | 23 | // CHECK: %[[THIS:.*]] = load %class.B*, %class.B** |
| 24 | // CHECK-NEXT: %[[BC:.*]] = bitcast %class.B* %[[THIS]] to i8* |
| 25 | // CHECK-NEXT: getelementptr inbounds i8, i8* %[[BC]], i64 -4 |
| 26 | } |
| 27 | |