30 lines
		
	
	
		
			780 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			780 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -globalopt -S | FileCheck %s
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| ; CHECK: call void @Actual
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| 
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| ; Check that a comparison does not prevent an indirect call from being made 
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| ; direct.  The global will still remain, but indirect call elim is still good.
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| 
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| @G = internal global void ()* null              ; <void ()**> [#uses=2]
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| 
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| define internal void @Actual() {
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|         ret void
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| }
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| 
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| define void @init() {
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|         store void ()* @Actual, void ()** @G
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|         ret void
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| }
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| 
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| define void @doit() {
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|         %FP = load void ()*, void ()** @G         ; <void ()*> [#uses=2]
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|         %CC = icmp eq void ()* %FP, null                ; <i1> [#uses=1]
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|         br i1 %CC, label %isNull, label %DoCall
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| 
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| DoCall:         ; preds = %0
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|         call void %FP( )
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|         ret void
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| 
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| isNull:         ; preds = %0
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|         ret void
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| }
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