forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			56 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s
 | |
| 
 | |
| struct Base {
 | |
| 
 | |
|   void no_args_1(void (*callback)(void));
 | |
|   __attribute__((callback(1))) void no_args_2(void (*callback1)(void), void (*callback2)(void));
 | |
|   __attribute__((callback(callback1))) void no_args_3(void (*callback1)(void), void (*callback2)(void));
 | |
| 
 | |
|   // TODO: There should probably be a warning or even an error for different
 | |
|   //       callbacks on the same method.
 | |
|   __attribute__((callback(1))) virtual void
 | |
|   virtual_1(void (*callback)(void));
 | |
| 
 | |
|   __attribute__((callback(callback, this, __, this))) virtual void
 | |
|   this_unknown_this(void (*callback)(Base *, Base *, Base *));
 | |
| };
 | |
| 
 | |
| // CHECK-DAG:      define void @_ZN4Base9no_args_1EPFvvE({{[^!]*!callback}} ![[cid0:[0-9]+]]
 | |
| __attribute__((callback(1))) void
 | |
| Base::no_args_1(void (*callback)(void)) {
 | |
| }
 | |
| 
 | |
| // CHECK-DAG:      define void @_ZN4Base9no_args_2EPFvvES1_({{[^!]*!callback}} ![[cid1:[0-9]+]]
 | |
| __attribute__((callback(2))) void Base::no_args_2(void (*callback1)(void), void (*callback2)(void)) {
 | |
| }
 | |
| // CHECK-DAG:      define void @_ZN4Base9no_args_3EPFvvES1_({{[^!]*!callback}} ![[cid1]]
 | |
| __attribute__((callback(callback2))) void Base::no_args_3(void (*callback1)(void), void (*callback2)(void)) {
 | |
| }
 | |
| 
 | |
| // CHECK-DAG:      define void @_ZN4Base17this_unknown_thisEPFvPS_S0_S0_E({{[^!]*!callback}} ![[cid2:[0-9]+]]
 | |
| void Base::this_unknown_this(void (*callback)(Base *, Base *, Base *)) {
 | |
| }
 | |
| 
 | |
| struct Derived_1 : public Base {
 | |
|   __attribute__((callback(1))) virtual void
 | |
|   virtual_1(void (*callback)(void)) override;
 | |
| };
 | |
| 
 | |
| // CHECK-DAG:      define void @_ZN9Derived_19virtual_1EPFvvE({{[^!]*!callback}} ![[cid0]]
 | |
| void Derived_1::virtual_1(void (*callback)(void)) {}
 | |
| 
 | |
| struct Derived_2 : public Base {
 | |
|   void virtual_1(void (*callback)(void)) override;
 | |
| };
 | |
| 
 | |
| // CHECK-DAG: define void @_ZN9Derived_29virtual_1EPFvvE
 | |
| // CHECK-NOT: !callback
 | |
| void Derived_2::virtual_1(void (*callback)(void)) {}
 | |
| 
 | |
| // CHECK-DAG: ![[cid0]] = !{![[cid0b:[0-9]+]]}
 | |
| // CHECK-DAG: ![[cid0b]] = !{i64 1, i1 false}
 | |
| // CHECK-DAG: ![[cid1]] = !{![[cid1b:[0-9]+]]}
 | |
| // CHECK-DAG: ![[cid1b]] = !{i64 2, i1 false}
 | |
| // CHECK-DAG: ![[cid2]] = !{![[cid2b:[0-9]+]]}
 | |
| // CHECK-DAG: ![[cid2b]] = !{i64 1, i64 0, i64 -1, i64 0, i1 false}
 |