clang/test/CodeGen/arm64ec-hybrid-patchable.c

   1 // REQUIRES: aarch64-registered-target
   2 // RUN: %clang_cc1 -triple arm64ec-pc-windows -fms-extensions -emit-llvm -o - %s -verify | FileCheck %s
   3
   4 // CHECK: ;    Function Attrs: hybrid_patchable noinline nounwind optnone
   5 // CHECK-NEXT: define dso_local i32 @func() #0 {
   6 int __attribute__((hybrid_patchable)) func(void) {  return 1; }
   7
   8 // CHECK: ;    Function Attrs: hybrid_patchable noinline nounwind optnone
   9 // CHECK-NEXT: define dso_local i32 @func2() #0 {
  10 int __declspec(hybrid_patchable) func2(void) {  return 2; }
  11
  12 // CHECK: ;    Function Attrs: hybrid_patchable noinline nounwind optnone
  13 // CHECK-NEXT: define dso_local i32 @func3() #0 {
  14 int __declspec(hybrid_patchable) func3(void);
  15 int func3(void) {  return 3; }
  16
  17 // CHECK: ;    Function Attrs: hybrid_patchable noinline nounwind optnone
  18 // CHECK-NEXT: define dso_local i32 @func4() #0 {
  19 [[clang::hybrid_patchable]] int func4(void);
  20 int func4(void) {  return 3; }
  21
  22 // CHECK: ; Function Attrs: hybrid_patchable noinline nounwind optnone
  23 // CHECK-NEXT: define internal void @static_func() #0 {
  24 // expected-warning@+1 {{'hybrid_patchable' is ignored on functions without external linkage}}
  25 static void __declspec(hybrid_patchable) static_func(void) {}
  26
  27 // CHECK: ;    Function Attrs: hybrid_patchable noinline nounwind optnone
  28 // CHECK-NEXT: define linkonce_odr dso_local i32 @func5() #0 comdat {
  29 int inline __declspec(hybrid_patchable) func5(void) {  return 4; }
  30
  31 void caller(void) {
  32   static_func();
  33   func5();
  34 }