| 1 | // RUN: %clang_cc1 -triple x86_64-linux -std=c++98 %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s |
| 2 | // RUN: %clang_cc1 -triple x86_64-linux -std=c++11 %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s |
| 3 | // RUN: %clang_cc1 -triple x86_64-linux -std=c++14 %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s |
| 4 | // RUN: %clang_cc1 -triple x86_64-linux -std=c++1z %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s |
| 5 | |
| 6 | // dr158: yes |
| 7 | |
| 8 | // CHECK-LABEL: define {{.*}} @_Z1f |
| 9 | const int *f(const int * const *p, int **q) { |
| 10 | // CHECK: load i32**, {{.*}}, !tbaa ![[INTPTR_TBAA:[^,]*]] |
| 11 | const int *x = *p; |
| 12 | // CHECK: store i32* null, {{.*}}, !tbaa ![[INTPTR_TBAA]] |
| 13 | *q = 0; |
| 14 | return x; |
| 15 | } |
| 16 | |
| 17 | struct A {}; |
| 18 | |
| 19 | // CHECK-LABEL: define {{.*}} @_Z1g |
| 20 | const int *(A::*const *g(const int *(A::* const **p)[3], int *(A::***q)[3]))[3] { |
| 21 | // CHECK: load i64**, {{.*}}, !tbaa ![[MEMPTR_TBAA:[^,]*]] |
| 22 | const int *(A::*const *x)[3] = *p; |
| 23 | // CHECK: store i64* null, {{.*}}, !tbaa ![[MEMPTR_TBAA]] |
| 24 | *q = 0; |
| 25 | return x; |
| 26 | } |
| 27 | |
| 28 | |