forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			44 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; Verifies that restart trigger forces IPO pipelines restart and the same
 | |
| ; coroutine is looked at by CoroSplit pass twice.
 | |
| ; REQUIRES: asserts
 | |
| ; RUN: opt < %s -S -O0 -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
 | |
| ; RUN: opt < %s -S -O1 -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
 | |
| 
 | |
| ; CHECK:      CoroSplit: Processing coroutine 'f' state: 0
 | |
| ; CHECK-NEXT: CoroSplit: Processing coroutine 'f' state: 1
 | |
| 
 | |
| define void @f() {
 | |
|   %id = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* null)
 | |
|   %size = call i32 @llvm.coro.size.i32()
 | |
|   %alloc = call i8* @malloc(i32 %size)
 | |
|   %hdl = call i8* @llvm.coro.begin(token %id, i8* %alloc)
 | |
|   call void @print(i32 0)
 | |
|   %s1 = call i8 @llvm.coro.suspend(token none, i1 false)
 | |
|   switch i8 %s1, label %suspend [i8 0, label %resume 
 | |
|                                  i8 1, label %cleanup]
 | |
| resume:
 | |
|   call void @print(i32 1)
 | |
|   br label %cleanup
 | |
| 
 | |
| cleanup:
 | |
|   %mem = call i8* @llvm.coro.free(token %id, i8* %hdl)
 | |
|   call void @free(i8* %mem)
 | |
|   br label %suspend
 | |
| suspend:
 | |
|   call void @llvm.coro.end(i8* %hdl, i1 0)
 | |
|   ret void  
 | |
| }
 | |
| 
 | |
| declare token @llvm.coro.id(i32, i8*, i8*, i8*)
 | |
| declare i8* @llvm.coro.begin(token, i8*)
 | |
| declare i8* @llvm.coro.free(token, i8*)
 | |
| declare i32 @llvm.coro.size.i32()
 | |
| declare i8  @llvm.coro.suspend(token, i1)
 | |
| declare void @llvm.coro.resume(i8*)
 | |
| declare void @llvm.coro.destroy(i8*)
 | |
| declare void @llvm.coro.end(i8*, i1) 
 | |
| 
 | |
| declare noalias i8* @malloc(i32)
 | |
| declare void @print(i32)
 | |
| declare void @free(i8*)
 |