20 lines
		
	
	
		
			339 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			339 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -argpromotion
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| 
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| declare void @llvm.gcroot(i8**, i8*)
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| 
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| define i32 @g() {
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| entry:
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| 	%var = alloca i32
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| 	store i32 1, i32* %var
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| 	%x = call i32 @f(i32* %var)
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| 	ret i32 %x
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| }
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| 
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| define internal i32 @f(i32* %xp) gc "example" {
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| entry:
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| 	%var = alloca i8*
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| 	call void @llvm.gcroot(i8** %var, i8* null)
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| 	%x = load i32, i32* %xp
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| 	ret i32 %x
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| }
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