diff options
Diffstat (limited to 'llvm/lib/Analysis/BranchProbabilityInfo.cpp')
| -rw-r--r-- | llvm/lib/Analysis/BranchProbabilityInfo.cpp | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/llvm/lib/Analysis/BranchProbabilityInfo.cpp b/llvm/lib/Analysis/BranchProbabilityInfo.cpp index d7cee3a..14800f4 100644 --- a/llvm/lib/Analysis/BranchProbabilityInfo.cpp +++ b/llvm/lib/Analysis/BranchProbabilityInfo.cpp @@ -379,14 +379,6 @@ bool BranchProbabilityInfo::calcZeroHeuristics(BasicBlock *BB) { if (!CV) return false; - // If the LHS is the result of AND'ing a value with a single bit bitmask, - // we don't have information about probabilities. - if (Instruction *LHS = dyn_cast<Instruction>(CI->getOperand(0))) - if (LHS->getOpcode() == Instruction::And) - if (ConstantInt *AndRHS = dyn_cast<ConstantInt>(LHS->getOperand(1))) - if (AndRHS->getUniqueInteger().isPowerOf2()) - return false; - bool isProb; if (CV->isZero()) { switch (CI->getPredicate()) { |