34 lines
		
	
	
		
			851 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			851 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -jump-threading -S < %s | FileCheck %s
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| 
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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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| 
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| declare void @helper()
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| declare i32 @__gxx_personality_v0(...)
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| 
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| nowhere:
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|   unreachable
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| }
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