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			35 lines
		
	
	
		
			689 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			689 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -march=x86 -mattr=+sse2 -mcpu=penryn| FileCheck %s
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| 
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| define i32 @isint_return(double %d) nounwind {
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| ; CHECK-NOT: xor
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| ; CHECK: cvt
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|   %i = fptosi double %d to i32
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| ; CHECK-NEXT: cvt
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|   %e = sitofp i32 %i to double
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| ; CHECK: cmpeqsd
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|   %c = fcmp oeq double %d, %e
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| ; CHECK-NEXT: movd
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| ; CHECK-NEXT: andq
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|   %z = zext i1 %c to i32
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|   ret i32 %z
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| }
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| 
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| declare void @foo()
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| 
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| define void @isint_branch(double %d) nounwind {
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| ; CHECK: cvt
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|   %i = fptosi double %d to i32
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| ; CHECK-NEXT: cvt
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|   %e = sitofp i32 %i to double
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| ; CHECK: ucomisd
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|   %c = fcmp oeq double %d, %e
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| ; CHECK-NEXT: jne
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| ; CHECK-NEXT: jp
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|   br i1 %c, label %true, label %false
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| true:
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|   call void @foo()
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|   ret void
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| false:
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|   ret void
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| }
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