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			16 lines
		
	
	
		
			415 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			415 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -march=ppc32 -o %t
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| ; RUN: grep slwi %t
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| ; RUN: not grep addi %t
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| ; RUN: not grep rlwinm %t
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| 
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| define i32 @test(i32 %A) {
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|         ;; shift
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|         %B = mul i32 %A, 8              ; <i32> [#uses=1]
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|         ;; dead, no demanded bits.
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|         %C = add i32 %B, 7              ; <i32> [#uses=1]
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|         ;; dead once add is gone.
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|         %D = and i32 %C, -8             ; <i32> [#uses=1]
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|         ret i32 %D
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| }
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| 
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