1 // RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-intrinsics -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -triple aarch64-elf -fptrauth-intrinsics -emit-llvm %s -o - | FileCheck %s
3
4 extern int external;
5
6 // CHECK: @ptr1 = global ptr ptrauth (ptr @external, i32 0)
7 void *ptr1 = __builtin_ptrauth_sign_constant(&external, 0, 0);
8
9 // CHECK: @ptr2 = global ptr ptrauth (ptr @external, i32 0, i64 1234)
10 void *ptr2 = __builtin_ptrauth_sign_constant(&external, 0, 1234);
11
12 // CHECK: @ptr3 = global ptr ptrauth (ptr @external, i32 2, i64 0, ptr @ptr3)
13 void *ptr3 = __builtin_ptrauth_sign_constant(&external, 2, &ptr3);
14
15 // CHECK: @ptr4 = global ptr ptrauth (ptr @external, i32 2, i64 26, ptr @ptr4)
16 void *ptr4 = __builtin_ptrauth_sign_constant(&external, 2, __builtin_ptrauth_blend_discriminator(&ptr4, 26));
17
18 // CHECK: @ptr5 = global ptr null
19 void *ptr5;
20
test_sign_constant_code()21 void 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 8
25 // CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 1234), ptr @ptr2, align 8
26 // CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 0, ptr @ptr3), ptr @ptr3, align 8
27 // CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 1234, ptr @ptr4), ptr @ptr4, align 8
28 // CHECK-NEXT: ret void
29 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