derek.holloway
7502bf64a4
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34 lines
1.6 KiB
C
34 lines
1.6 KiB
C
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-intrinsics -emit-llvm %s -o - | FileCheck %s
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// RUN: %clang_cc1 -triple aarch64-elf -fptrauth-intrinsics -emit-llvm %s -o - | FileCheck %s
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extern int external;
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// CHECK: @ptr1 = global ptr ptrauth (ptr @external, i32 0)
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void *ptr1 = __builtin_ptrauth_sign_constant(&external, 0, 0);
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// CHECK: @ptr2 = global ptr ptrauth (ptr @external, i32 0, i64 1234)
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void *ptr2 = __builtin_ptrauth_sign_constant(&external, 0, 1234);
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// CHECK: @ptr3 = global ptr ptrauth (ptr @external, i32 2, i64 0, ptr @ptr3)
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void *ptr3 = __builtin_ptrauth_sign_constant(&external, 2, &ptr3);
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// CHECK: @ptr4 = global ptr ptrauth (ptr @external, i32 2, i64 26, ptr @ptr4)
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void *ptr4 = __builtin_ptrauth_sign_constant(&external, 2, __builtin_ptrauth_blend_discriminator(&ptr4, 26));
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// CHECK: @ptr5 = global ptr null
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void *ptr5;
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void test_sign_constant_code() {
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// CHECK-LABEL: define {{.*}}void @test_sign_constant_code()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: store ptr ptrauth (ptr @external, i32 0), ptr @ptr1, align 8
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// CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 1234), ptr @ptr2, align 8
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// CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 0, ptr @ptr3), ptr @ptr3, align 8
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// CHECK-NEXT: store ptr ptrauth (ptr @external, i32 2, i64 1234, ptr @ptr4), ptr @ptr4, align 8
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// CHECK-NEXT: ret void
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ptr1 = __builtin_ptrauth_sign_constant(&external, 0, 0);
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ptr2 = __builtin_ptrauth_sign_constant(&external, 2, 1234);
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ptr3 = __builtin_ptrauth_sign_constant(&external, 2, &ptr3);
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ptr4 = __builtin_ptrauth_sign_constant(&external, 2, __builtin_ptrauth_blend_discriminator(&ptr4, 1234));
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}
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