26 lines
		
	
	
		
			863 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			863 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -march=x86 | FileCheck %s
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| 
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| ; This test should get one and only one register to register mov.
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| ; CHECK-LABEL: t:
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| ; CHECK:     movl
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| ; CHECK-NOT: mov
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| ; CHECK:     ret
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| 
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| define signext i16 @t()   {
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| entry:
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|         %tmp180 = load i16, i16* null, align 2               ; <i16> [#uses=3]
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|         %tmp180181 = sext i16 %tmp180 to i32            ; <i32> [#uses=1]
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|         %tmp182 = add i16 %tmp180, 10
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|         %tmp185 = icmp slt i16 %tmp182, 0               ; <i1> [#uses=1]
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|         br i1 %tmp185, label %cond_true188, label %cond_next245
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| 
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| cond_true188:           ; preds = %entry
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|         %tmp195196 = trunc i16 %tmp180 to i8            ; <i8> [#uses=0]
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|         ret i16 %tmp180
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| 
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| cond_next245:           ; preds = %entry
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|         %tmp256 = and i32 %tmp180181, 15                ; <i32> [#uses=0]
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|         %tmp3 = trunc i32 %tmp256 to i16
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|         ret i16 %tmp3
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| }
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