16 lines
		
	
	
		
			319 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			319 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt -S < %s -dse | FileCheck %s
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declare void @llvm.sideeffect()
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; Dead store elimination across a @llvm.sideeffect.
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; CHECK-LABEL: dse
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; CHECK: store
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; CHECK-NOT: store
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define void @dse(float* %p) {
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    store float 0.0, float* %p
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    call void @llvm.sideeffect()
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    store float 0.0, float* %p
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    ret void
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}
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