1; RUN: opt -jump-threading -S < %s | FileCheck %s 2 3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-apple-macosx10.11.0" 5 6declare void @helper() 7declare i32 @__gxx_personality_v0(...) 8 9 10define void @pr27840(i8* %call, i1 %A) personality i32(...)* @__gxx_personality_v0 { 11entry: 12 invoke void @helper() 13 to label %invoke.cont unwind label %lpad 14 15; Don't jump threading; we can't split the critical edge from entry to lpad. 16; CHECK-LABEL: @pr27840 17; CHECK: invoke 18; CHECK-NEXT: to label %invoke.cont unwind label %lpad 19 20invoke.cont: 21 invoke void @helper() 22 to label %nowhere unwind label %lpad 23 24lpad: 25 %b = phi i1 [ true, %invoke.cont ], [ false, %entry ] 26 landingpad { i8*, i32 } 27 cleanup 28 %xor = xor i1 %b, %A 29 br i1 %xor, label %nowhere, label %invoke.cont 30 31nowhere: 32 unreachable 33} 34