Fix operator precedence bug caught by VC++.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24318 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeff Cohen 2005-11-12 00:59:01 +00:00
parent 88f6c46cb9
commit 06d9b4ab24

View File

@ -967,8 +967,8 @@ SDOperand DAGCombiner::visitAND(SDNode *N) {
// fold (and (sign_extend_inreg x, i16 to i32), 1) -> (and x, 1)
if (N1C && N0.getOpcode() == ISD::SIGN_EXTEND_INREG) {
unsigned ExtendBits =
MVT::getSizeInBits(cast<VTSDNode>(N0.getOperand(1))->getVT());
if (ExtendBits == 64 || (N1C->getValue() & (~0ULL << ExtendBits) == 0))
MVT::getSizeInBits(cast<VTSDNode>(N0.getOperand(1))->getVT());
if (ExtendBits == 64 || ((N1C->getValue() & (~0ULL << ExtendBits)) == 0))
return DAG.getNode(ISD::AND, VT, N0.getOperand(0), N1);
}
// fold (and (or x, 0xFFFF), 0xFF) -> 0xFF