Fix PR1692


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42209 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 9e2f11b..afb7339 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -1181,15 +1181,17 @@
   // values in original loop's preheader.
   //      A_ExitValue = min(SplitValue, OrignalLoopExitValue)
   //      B_StartValue = max(SplitValue, OriginalLoopStartValue)
+  Instruction *InsertPt = L->getHeader()->getFirstNonPHI();
   Value *C1 = new ICmpInst(Sign ?
                            ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT,
                            AEV,
                            ExitCondition->getOperand(ExitValueNum), 
-                           "lsplit.ev", PHTerminator);
+                           "lsplit.ev", InsertPt);
+
   SD.A_ExitValue = new SelectInst(C1, AEV,
                                   ExitCondition->getOperand(ExitValueNum), 
-                                  "lsplit.ev", PHTerminator);
-  
+                                  "lsplit.ev", InsertPt);
+
   Value *C2 = new ICmpInst(Sign ?
                            ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT,
                            BSV, StartValue, "lsplit.sv",