xref: /llvm-project/clang/test/CodeGen/ptrauth-function.c (revision e23250ecb7e09170e584db60375100790f39fac9)
1 // RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm %s  -o - | FileCheck -check-prefix=CHECK %s
2 // RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm %s  -o - | FileCheck -check-prefix=CHECK %s
3 
4 void test_call();
5 
6 // CHECK: define {{(dso_local )?}}void @test_direct_call()
test_direct_call()7 void test_direct_call() {
8   // CHECK: call void @test_call(){{$}}
9   test_call();
10 }
11 
12 // CHECK: define {{(dso_local )?}}void @test_indirect_call(ptr noundef %[[FP:.*]])
test_indirect_call(void (* fp (void)))13 void test_indirect_call(void (*fp(void))) {
14   // CHECK: %[[FP_ADDR:.*]] = alloca ptr, align 8
15   // CHECK: store ptr %[[FP]], ptr %[[FP_ADDR]], align 8
16   // CHECK: %[[V0:.*]] = load ptr, ptr %[[FP_ADDR]], align 8
17   // CHECK: %[[CALL:.*]] = call ptr %[[V0]]() [ "ptrauth"(i32 0, i64 0) ]
18   fp();
19 }
20 
21 void abort();
22 // CHECK: define {{(dso_local )?}}void @test_direct_builtin_call()
test_direct_builtin_call()23 void test_direct_builtin_call() {
24   // CHECK: call void @abort() {{#[0-9]+$}}
25   abort();
26 }
27 
28 // CHECK-LABEL: define {{(dso_local )?}}void @test_memcpy_inline(
29 // CHECK-NOT: call{{.*}}memcpy
30 
31 extern inline __attribute__((__always_inline__))
memcpy(void * d,const void * s,unsigned long)32 void *memcpy(void *d, const void *s, unsigned long) {
33   return 0;
34 }
35 
test_memcpy_inline(char * d,char * s)36 void test_memcpy_inline(char *d, char *s) {
37   memcpy(d, s, 4);
38 }
39