| // RUN: %clang_cc1 %s -triple arm64e-apple-ios13 -fptrauth-calls -fptrauth-intrinsics -disable-llvm-passes -emit-llvm -o- | FileCheck %s |
| // RUN: %clang_cc1 %s -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -disable-llvm-passes -emit-llvm -o- | FileCheck %s |
| // RUN: %clang_cc1 -xc++ %s -triple arm64e-apple-ios13 -fptrauth-calls -fptrauth-intrinsics -disable-llvm-passes -emit-llvm -o- | FileCheck %s --check-prefixes=CHECK,CXX |
| // RUN: %clang_cc1 -xc++ %s -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -disable-llvm-passes -emit-llvm -o- | FileCheck %s --check-prefixes=CHECK,CXX |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| void f(void); |
| |
| #ifdef __cplusplus |
| |
| // CXX: define {{(dso_local )?}}internal void @__cxx_global_var_init() |
| // CXX: store ptr getelementptr inbounds (i32, ptr ptrauth (ptr @f, i32 0), i64 2), ptr @_ZL2fp, align 8 |
| |
| // This is rejected in C mode as adding a non-zero constant to a signed pointer |
| // is unrepresentable in relocations. In C++ mode, this can be done dynamically |
| // by the global constructor. |
| __attribute__((used)) |
| void (*const fp)(void) = (void (*)(void))((int *)&f + 2); |
| |
| #endif |
| |
| // CHECK: define {{(dso_local )?}}void @t1() |
| void t1() { |
| // CHECK: [[PF:%.*]] = alloca ptr |
| // CHECK: store ptr getelementptr inbounds (i32, ptr ptrauth (ptr @f, i32 0), i64 2), ptr [[PF]] |
| |
| void (*pf)(void) = (void (*)(void))((int *)&f + 2); |
| (void)pf; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |