Use BitVector instead of std::vector<unsigned char>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55054 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-08-20 14:58:41 +00:00
parent eace52f12d
commit c53ec49885

View File

@ -5210,8 +5210,7 @@ void SelectionDAGISel::BuildSelectionDAG(SelectionDAG &DAG, BasicBlock *LLVMBB,
// Emit constants only once even if used by multiple PHI nodes.
std::map<Constant*, unsigned> ConstantsOut;
// Vector bool would be better, but vector<bool> is really slow.
std::vector<unsigned char> SuccsHandled;
BitVector SuccsHandled;
if (TI->getNumSuccessors())
SuccsHandled.resize(BB->getParent()->getNumBlockIDs());