27 lines
		
	
	
		
			746 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			746 B
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s
 | |
| 
 | |
| void t1() __attribute__((naked));
 | |
| 
 | |
| // Basic functionality check
 | |
| // (Note that naked needs to imply noinline to work properly.)
 | |
| // CHECK: define void @t1() [[NAKED:#[0-9]+]] {
 | |
| void t1()
 | |
| {
 | |
| }
 | |
| 
 | |
| // Make sure this doesn't explode in the verifier.
 | |
| // (It doesn't really make sense, but it isn't invalid.)
 | |
| // CHECK: define void @t2() [[NAKED]] {
 | |
| __attribute((naked, always_inline)) void t2() {
 | |
| }
 | |
| 
 | |
| // Make sure not to generate prolog or epilog for naked functions.
 | |
| __attribute((naked)) void t3(int x) {
 | |
| // CHECK: define void @t3(i32)
 | |
| // CHECK-NOT: alloca
 | |
| // CHECK-NOT: store
 | |
| // CHECK: unreachable
 | |
| }
 | |
| 
 | |
| // CHECK: attributes [[NAKED]] = { naked noinline nounwind{{.*}} }
 |