forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			25 lines
		
	
	
		
			741 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			741 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llvm-as < %s | opt -inline | llvm-dis | grep sample
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| ; RUN: llvm-as < %s | opt -inline | llvm-dis | grep example
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| 
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| 	%IntArray = type { i32, [0 x i32*] }
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| 
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| declare void @llvm.gcroot(i8**, i8*) nounwind 
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| 
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| define i32 @f() gc "sample" {
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| 	%x = call i32 @g( )		; <i32> [#uses=1]
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| 	ret i32 %x
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| }
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| 
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| define internal i32 @g() gc "example" {
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| 	%root = alloca i8*		; <i8**> [#uses=2]
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| 	call void @llvm.gcroot( i8** %root, i8* null )
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| 	%obj = call %IntArray* @h( )		; <%IntArray*> [#uses=2]
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| 	%obj.2 = bitcast %IntArray* %obj to i8*		; <i8*> [#uses=1]
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| 	store i8* %obj.2, i8** %root
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| 	%Length.ptr = getelementptr %IntArray* %obj, i32 0, i32 0		; <i32*> [#uses=1]
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| 	%Length = load i32* %Length.ptr		; <i32> [#uses=1]
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| 	ret i32 %Length
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| }
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| 
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| declare %IntArray* @h()
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