23 lines
		
	
	
		
			513 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			513 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \
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| ; RUN:   grep sxtb  | wc -l | grep 1
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| ; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \
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| ; RUN:   grep sxtab | wc -l | grep 1
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| 
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| define i8 @test1(i32 %A) sext {
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| 	%B = lshr i32 %A, 8
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| 	%C = shl i32 %A, 24
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| 	%D = or i32 %B, %C
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| 	%E = trunc i32 %D to i8
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| 	ret i8 %E
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| }
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| 
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| define i32 @test2(i32 %A, i32 %X) sext {
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| 	%B = lshr i32 %A, 8
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| 	%C = shl i32 %A, 24
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| 	%D = or i32 %B, %C
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| 	%E = trunc i32 %D to i8
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|         %F = sext i8 %E to i32
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|         %G = add i32 %F, %X
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| 	ret i32 %G
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| }
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