21 lines
		
	
	
		
			368 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			368 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -basicaa -gvn -S | grep "DEAD = phi i32 "
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define i32 @main(i32* %p, i32 %x, i32 %y) {
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block1:
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  %z = load i32, i32* %p
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  %cmp = icmp eq i32 %x, %y
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	br i1 %cmp, label %block2, label %block3
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block2:
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 br label %block4
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block3:
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  %b = bitcast i32 0 to i32
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  store i32 %b, i32* %p
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  br label %block4
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block4:
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  %DEAD = load i32, i32* %p
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  ret i32 %DEAD
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}
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