diff options
| author | Roman Divacky <rdivacky@FreeBSD.org> | 2009-12-01 11:07:05 +0000 |
|---|---|---|
| committer | Roman Divacky <rdivacky@FreeBSD.org> | 2009-12-01 11:07:05 +0000 |
| commit | 06f9d4012fb8acea3e9861d5722b5965dbb724d9 (patch) | |
| tree | ffe0478472eaa0686f11cb02c6df7d257b8719b0 /lib/Analysis/LoopInfo.cpp | |
| parent | 76e2e0ebfdd3d91b07a75822865ea3e9121a99ce (diff) | |
Notes
Diffstat (limited to 'lib/Analysis/LoopInfo.cpp')
| -rw-r--r-- | lib/Analysis/LoopInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Analysis/LoopInfo.cpp b/lib/Analysis/LoopInfo.cpp index 1c614b0e06bae..4de756c41b0eb 100644 --- a/lib/Analysis/LoopInfo.cpp +++ b/lib/Analysis/LoopInfo.cpp @@ -243,6 +243,11 @@ unsigned Loop::getSmallConstantTripMultiple() const { case BinaryOperator::Mul: Result = dyn_cast<ConstantInt>(BO->getOperand(1)); break; + case BinaryOperator::Shl: + if (ConstantInt *CI = dyn_cast<ConstantInt>(BO->getOperand(1))) + if (CI->getValue().getActiveBits() <= 5) + return 1u << CI->getZExtValue(); + break; default: break; } |