From 264d4813c719b53e90a36013f35c8059275a52be Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Fri, 14 Sep 2007 01:13:55 +0000
Subject: [PATCH] Temporary reverting r41817
 (http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070910/053370.html).
 It's causing SPASS to fail.

llvm-svn: 41938
---
 llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp | 20 +++++--------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp b/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 48626ac475ed..b40dd04c82dd 100644
--- a/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -336,24 +336,14 @@ void LoopIndexSplit::findLoopConditionals() {
   if (!CI)
     return;
 
-  // FIXME
-  if (CI->getPredicate() == ICmpInst::ICMP_EQ
-      || CI->getPredicate() == ICmpInst::ICMP_NE)
-    return;
-
+  // FIXME 
   if (CI->getPredicate() == ICmpInst::ICMP_SGT
       || CI->getPredicate() == ICmpInst::ICMP_UGT
       || CI->getPredicate() == ICmpInst::ICMP_SGE
-      || CI->getPredicate() == ICmpInst::ICMP_UGE) {
-
-    BasicBlock *FirstSuccessor = BR->getSuccessor(0);
-    // splitLoop() is expecting LT/LE as exit condition predicate.
-    // Swap operands here if possible to meet this requirement.
-    if (!L->contains(FirstSuccessor)) 
-      CI->swapOperands();
-    else
-      return;
-  }
+      || CI->getPredicate() == ICmpInst::ICMP_UGE
+      || CI->getPredicate() == ICmpInst::ICMP_EQ
+      || CI->getPredicate() == ICmpInst::ICMP_NE)
+    return;
 
   ExitCondition = CI;
 
-- 
GitLab