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			25 lines
		
	
	
		
			682 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			682 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep uxtb  | wc -l | grep 1
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| ; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep uxtab | wc -l | grep 1
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| ; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep uxth  | wc -l | grep 1
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| 
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| define i8 @test1(i32 %A.u) zext {
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|     %B.u = trunc i32 %A.u to i8
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|     ret i8 %B.u
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| }
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| 
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| define i32 @test2(i32 %A.u, i32 %B.u) zext {
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|     %C.u = trunc i32 %B.u to i8
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|     %D.u = zext i8 %C.u to i32
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|     %E.u = add i32 %A.u, %D.u
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|     ret i32 %E.u
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| }
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| 
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| define i32 @test3(i32 %A.u) zext {
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|     %B.u = lshr i32 %A.u, 8
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|     %C.u = shl i32 %A.u, 24
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|     %D.u = or i32 %B.u, %C.u
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|     %E.u = trunc i32 %D.u to i16
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|     %F.u = zext i16 %E.u to i32
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|     ret i32 %F.u
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| }
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