[llvm-commits] [llvm] r41952 - /llvm/branches/release_21/lib/Transforms/Scalar/LoopIndexSplit.cpp

[Tanya Lattner]

Author: tbrethou
Date: Fri Sep 14 00:08:12 2007
New Revision: 41952

URL: http://llvm.org/viewvc/llvm-project?rev=41952&view=rev
Log:
Merge from mainline.

Modified:
    llvm/branches/release_21/lib/Transforms/Scalar/LoopIndexSplit.cpp

Modified: llvm/branches/release_21/lib/Transforms/Scalar/LoopIndexSplit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/release_21/lib/Transforms/Scalar/LoopIndexSplit.cpp?rev=41952&r1=41951&r2=41952&view=diff

==============================================================================
--- llvm/branches/release_21/lib/Transforms/Scalar/LoopIndexSplit.cpp (original)
+++ llvm/branches/release_21/lib/Transforms/Scalar/LoopIndexSplit.cpp Fri Sep 14 00:08:12 2007
@@ -336,24 +336,14 @@
   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;