From: Jakub Staszak <jstaszak@apple.com>
Date: Sun, 31 Jul 2011 05:54:04 +0000 (+0000)
Subject: Do not handle cases with >= and <= predicates.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6762dc1fb38f7579b33143c80f057319e1537678;p=oota-llvm.git

Do not handle cases with >= and <= predicates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136588 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/BranchProbabilityInfo.cpp b/lib/Analysis/BranchProbabilityInfo.cpp
index 9e613ba24ea..da99f28e6e2 100644
--- a/lib/Analysis/BranchProbabilityInfo.cpp
+++ b/lib/Analysis/BranchProbabilityInfo.cpp
@@ -304,23 +304,16 @@ bool BranchProbabilityAnalysis::calcZeroHeuristics(BasicBlock *BB) {
     isProb = true;
     break;
 
-  case CmpInst::ICMP_ULT:
-  case CmpInst::ICMP_ULE:
   case CmpInst::ICMP_SLT:
-  case CmpInst::ICMP_SLE:
     // Less or equal to zero is not expected.
     // X < 0   ->  Unlikely
-    // X <= 0  ->  Unlikely
     isProb = false;
     break;
 
   case CmpInst::ICMP_UGT:
-  case CmpInst::ICMP_UGE:
   case CmpInst::ICMP_SGT:
-  case CmpInst::ICMP_SGE:
     // Greater or equal to zero is expected.
     // X > 0   ->  Likely
-    // X >= 0  ->  Likely
     isProb = true;
     break;