34 lines · c
1// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-intrinsics -emit-llvm %s -o - | FileCheck %s2// RUN: %clang_cc1 -triple aarch64-elf -fptrauth-intrinsics -emit-llvm %s -o - | FileCheck %s3 4extern int external;5 6// CHECK: @ptr1 = global ptr ptrauth (ptr @external, i32 0)7void *ptr1 = __builtin_ptrauth_sign_constant(&external, 0, 0);8 9// CHECK: @ptr2 = global ptr ptrauth (ptr @external, i32 0, i64 1234)10void *ptr2 = __builtin_ptrauth_sign_constant(&external, 0, 1234);11 12// CHECK: @ptr3 = global ptr ptrauth (ptr @external, i32 2, i64 0, ptr @ptr3)13void *ptr3 = __builtin_ptrauth_sign_constant(&external, 2, &ptr3);14 15// CHECK: @ptr4 = global ptr ptrauth (ptr @external, i32 2, i64 26, ptr @ptr4)16void *ptr4 = __builtin_ptrauth_sign_constant(&external, 2, __builtin_ptrauth_blend_discriminator(&ptr4, 26));17 18// CHECK: @ptr5 = global ptr null19void *ptr5;20 21void test_sign_constant_code() {22// CHECK-LABEL: define {{.*}}void @test_sign_constant_code()23// CHECK-NEXT: entry:24// CHECK-NEXT: store ptr ptrauth (ptr @external, i32 0), ptr @ptr1, align 825// CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 1234), ptr @ptr2, align 826// CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 0, ptr @ptr3), ptr @ptr3, align 827// CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 1234, ptr @ptr4), ptr @ptr4, align 828// CHECK-NEXT: ret void29 ptr1 = __builtin_ptrauth_sign_constant(&external, 0, 0);30 ptr2 = __builtin_ptrauth_sign_constant(&external, 2, 1234);31 ptr3 = __builtin_ptrauth_sign_constant(&external, 2, &ptr3);32 ptr4 = __builtin_ptrauth_sign_constant(&external, 2, __builtin_ptrauth_blend_discriminator(&ptr4, 1234));33}34