20 lines
		
	
	
		
			454 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			454 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -instcombine -S | FileCheck %s
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| ; <rdar://problem/10803154>
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| 
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| ; There should be no transformation.
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| ; CHECK: %a = trunc i32 %x to i8
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| ; CHECK: %b = icmp ne i8 %a, 0
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| ; CHECK: %c = and i32 %x, 16711680
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| ; CHECK: %d = icmp ne i32 %c, 0
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| ; CHECK: %e = and i1 %b, %d
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| ; CHECK: ret i1 %e
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| 
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| define i1 @f1(i32 %x) {
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|   %a = trunc i32 %x to i8
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|   %b = icmp ne i8 %a, 0
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|   %c = and i32 %x, 16711680
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|   %d = icmp ne i32 %c, 0
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|   %e = and i1 %b, %d
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|   ret i1 %e
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| }
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