33 lines · cpp
1// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fcxx-exceptions -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK2// RUN: %clang_cc1 -fptrauth-function-pointer-type-discrimination -triple arm64-apple-ios -fptrauth-calls -fcxx-exceptions -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECKDISC3 4// RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -fcxx-exceptions -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK5// RUN: %clang_cc1 -fptrauth-function-pointer-type-discrimination -triple aarch64-linux-gnu -fptrauth-calls -fcxx-exceptions -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECKDISC6 7class Foo {8 public:9 ~Foo() {10 }11};12 13// CHECK-LABEL: define{{.*}} void @_Z1fv()14// CHECK: call void @__cxa_throw(ptr %{{.*}}, ptr @_ZTI3Foo, ptr ptrauth (ptr @_ZN3FooD1Ev, i32 0))15 16// CHECKDISC-LABEL: define{{.*}} void @_Z1fv()17// CHECKDISC: call void @__cxa_throw(ptr %{{.*}}, ptr @_ZTI3Foo, ptr ptrauth (ptr @_ZN3FooD1Ev, i32 0, i64 10942))18 19void f() {20 throw Foo();21}22 23// __cxa_throw is defined to take its destructor as "void (*)(void *)" in the ABI.24// CHECK-LABEL: define{{.*}} void @__cxa_throw({{.*}})25// CHECK: call void {{%.*}}(ptr noundef {{%.*}}) [ "ptrauth"(i32 0, i64 0) ]26 27// CHECKDISC-LABEL: define{{.*}} void @__cxa_throw({{.*}})28// CHECKDISC: call void {{%.*}}(ptr noundef {{%.*}}) [ "ptrauth"(i32 0, i64 10942) ]29 30extern "C" void __cxa_throw(void *exception, void *, void (*dtor)(void *)) {31 dtor(exception);32}33