llvm-project/clang/test/CXX/drs/dr158.cpp

28 lines
1.1 KiB
C++

// RUN: %clang_cc1 -triple x86_64-linux -std=c++98 %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-linux -std=c++11 %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-linux -std=c++14 %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-linux -std=c++1z %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s
// dr158: yes
// CHECK-LABEL: define {{.*}} @_Z1f
const int *f(const int * const *p, int **q) {
// CHECK: load i32**, {{.*}}, !tbaa ![[INTPTR_TBAA:[^,]*]]
const int *x = *p;
// CHECK: store i32* null, {{.*}}, !tbaa ![[INTPTR_TBAA]]
*q = 0;
return x;
}
struct A {};
// CHECK-LABEL: define {{.*}} @_Z1g
const int *(A::*const *g(const int *(A::* const **p)[3], int *(A::***q)[3]))[3] {
// CHECK: load i64**, {{.*}}, !tbaa ![[MEMPTR_TBAA:[^,]*]]
const int *(A::*const *x)[3] = *p;
// CHECK: store i64* null, {{.*}}, !tbaa ![[MEMPTR_TBAA]]
*q = 0;
return x;
}