34 lines
		
	
	
		
			851 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			851 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt -jump-threading -S < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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declare void @helper()
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declare i32 @__gxx_personality_v0(...)
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define void @pr27840(i8* %call, i1 %A) personality i32(...)* @__gxx_personality_v0 {
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entry:
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  invoke void @helper()
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          to label %invoke.cont unwind label %lpad
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; Don't jump threading; we can't split the critical edge from entry to lpad.
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; CHECK-LABEL: @pr27840
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; CHECK: invoke
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; CHECK-NEXT: to label %invoke.cont unwind label %lpad
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invoke.cont:
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  invoke void @helper()
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          to label %nowhere unwind label %lpad
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lpad:
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  %b = phi i1 [ true, %invoke.cont ], [ false, %entry ]
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  landingpad { i8*, i32 }
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          cleanup
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  %xor = xor i1 %b, %A
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  br i1 %xor, label %nowhere, label %invoke.cont
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nowhere:
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  unreachable
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}
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