47 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; REQUIRES: asserts
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; The following tests use the new pass manager, and verify that the coroutine
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; passes re-run the CGSCC pipeline.
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; RUN: opt < %s -S -passes='default<O0>' -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck --check-prefix=CHECK-NEWPM %s
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; RUN: opt < %s -S -passes='default<O1>' -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck --check-prefix=CHECK-NEWPM %s
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; CHECK:      CoroSplit: Processing coroutine 'f' state: 0
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; CHECK-NEXT: CoroSplit: Processing coroutine 'f' state: 1
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; CHECK-NEWPM:      CoroSplit: Processing coroutine 'f' state: 0
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; CHECK-NEWPM-NOT:  CoroSplit: Processing coroutine 'f' state: 1
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define void @f() "coroutine.presplit"="0" {
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  %id = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* null)
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  %size = call i32 @llvm.coro.size.i32()
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  %alloc = call i8* @malloc(i32 %size)
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  %hdl = call i8* @llvm.coro.begin(token %id, i8* %alloc)
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  call void @print(i32 0)
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  %s1 = call i8 @llvm.coro.suspend(token none, i1 false)
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  switch i8 %s1, label %suspend [i8 0, label %resume 
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                                 i8 1, label %cleanup]
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resume:
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  call void @print(i32 1)
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  br label %cleanup
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cleanup:
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  %mem = call i8* @llvm.coro.free(token %id, i8* %hdl)
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  call void @free(i8* %mem)
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  br label %suspend
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suspend:
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  call i1 @llvm.coro.end(i8* %hdl, i1 0)
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  ret void  
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}
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declare token @llvm.coro.id(i32, i8*, i8*, i8*)
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declare i8* @llvm.coro.begin(token, i8*)
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declare i8* @llvm.coro.free(token, i8*)
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declare i32 @llvm.coro.size.i32()
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declare i8  @llvm.coro.suspend(token, i1)
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declare void @llvm.coro.resume(i8*)
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declare void @llvm.coro.destroy(i8*)
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declare i1 @llvm.coro.end(i8*, i1) 
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declare noalias i8* @malloc(i32)
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declare void @print(i32)
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declare void @free(i8*)
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