13 lines
		
	
	
		
			445 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			445 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -instcombine -S | grep zext
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; Never merge these two conversions, even though it's possible: this is
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; significantly more expensive than the two conversions on some targets
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; and it causes libgcc to be compile __fixunsdfdi into a recursive 
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; function.
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define i64 @test(double %D) {
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        %A = fptoui double %D to i32            ; <i32> [#uses=1]
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        %B = zext i32 %A to i64         ; <i64> [#uses=1]
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        ret i64 %B
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}
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