From: Devang Patel <dpatel@apple.com>
Date: Fri, 24 Aug 2007 06:02:25 +0000 (+0000)
Subject: Reject ICMP_NE as index split condition.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c830aee8e8187456a2fc396081d4171aaa4e82da;p=oota-llvm.git

Reject ICMP_NE as index split condition.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41357 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 6b69ecefef0..93d6309c484 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -338,6 +338,9 @@ void LoopIndexSplit::findSplitCondition() {
     if (!CI || CI == ExitCondition)
       return;
 
+    if (CI->getPredicate() == ICmpInst::ICMP_NE)
+      return;
+
     // If one operand is loop invariant and second operand is SCEVAddRecExpr
     // based on induction variable then CI is a candidate split condition.
     Value *V0 = CI->getOperand(0);