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			18 lines
		
	
	
		
			456 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			456 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llvm-as %s -o /dev/null
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; Dominance relationships is not calculated correctly for unreachable blocks,
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; which causes the verifier to barf on this input.
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define i32 @test(i1 %b) {
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BB0:
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        ret i32 7 ; Loop is unreachable
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Loop:           ; preds = %L2, %Loop
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        %B = phi i32 [ %B, %L2 ], [ %B, %Loop ]         ;PHI has same value always. 
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        br i1 %b, label %L2, label %Loop
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L2:             ; preds = %Loop
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        br label %Loop
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}
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