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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136588 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak 2011-07-31 05:54:04 +00:00
parent 4faf553d50
commit 6762dc1fb3
1 changed files with 0 additions and 7 deletions
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7
lib/Analysis/BranchProbabilityInfo.cpp
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@ -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;