commit 4fe0fe8b493437e91f8510b81462ff39f0d889ca
author Devang Patel <dpatel@apple.com> Thu Sep 18 23:45:14 2008 +0000
committer Devang Patel <dpatel@apple.com> Thu Sep 18 23:45:14 2008 +0000
tree 571eb6490d6d3d750ffbb2c278c3a99331a9c1c3
parent 3589308f37177f28257dd1a39dc6d6395a435acb

splitLoop does not handle split condition EQ.
Fixes PR 2805


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56321 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/LoopIndexSplit.cpp

diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 8cafe74..085223c 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -1430,6 +1430,12 @@
   if (!safeSplitCondition(SD))
     return false;
 
+  // If split condition EQ is not handled.
+  if (ICmpInst *ICMP = dyn_cast<ICmpInst>(SD.SplitCondition)) {
+    if (ICMP->getPredicate() == ICmpInst::ICMP_EQ)
+      return false;
+  }
+  
   BasicBlock *SplitCondBlock = SD.SplitCondition->getParent();
   
   // Unable to handle triangle loops at the moment.