clang/test/CodeGen/ptrauth-function.c

   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()
   7 void test_direct_call() {
   8   // CHECK: call void @test_call(){{$}}
   9   test_call();
  10 }
  11
  12 // CHECK: define {{(dso_local )?}}void @test_indirect_call(ptr noundef %[[FP:.*]])
  13 void test_indirect_call(void (*fp(void))) {
  14   // CHECK: %[[FP_ADDR:.*]] = alloca ptr, align 8
  15   // CHECK: store ptr %[[FP]], ptr %[[FP_ADDR]], align 8
  16   // CHECK: %[[V0:.*]] = load ptr, ptr %[[FP_ADDR]], align 8
  17   // CHECK: %[[CALL:.*]] = call ptr %[[V0]]() [ "ptrauth"(i32 0, i64 0) ]
  18   fp();
  19 }
  20
  21 void abort();
  22 // CHECK: define {{(dso_local )?}}void @test_direct_builtin_call()
  23 void test_direct_builtin_call() {
  24   // CHECK: call void @abort() {{#[0-9]+$}}
  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__))
  32 void *memcpy(void *d, const void *s, unsigned long) {
  33   return 0;
  34 }
  35
  36 void test_memcpy_inline(char *d, char *s) {
  37   memcpy(d, s, 4);
  38 }