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fix indentation; NFC

llvm-svn: 266097
This commit is contained in:
Sanjay Patel 2016-04-12 18:01:48 +00:00
parent be6e455946
commit 1177075d7d

View File

@ -14893,19 +14893,19 @@ SDValue X86TargetLowering::LowerToBT(SDValue And, ISD::CondCode CC,
std::swap(Op0, Op1);
if (Op0.getOpcode() == ISD::SHL) {
if (isOneConstant(Op0.getOperand(0))) {
// If we looked past a truncate, check that it's only truncating away
// known zeros.
unsigned BitWidth = Op0.getValueSizeInBits();
unsigned AndBitWidth = And.getValueSizeInBits();
if (BitWidth > AndBitWidth) {
APInt Zeros, Ones;
DAG.computeKnownBits(Op0, Zeros, Ones);
if (Zeros.countLeadingOnes() < BitWidth - AndBitWidth)
return SDValue();
}
LHS = Op1;
RHS = Op0.getOperand(1);
// If we looked past a truncate, check that it's only truncating away
// known zeros.
unsigned BitWidth = Op0.getValueSizeInBits();
unsigned AndBitWidth = And.getValueSizeInBits();
if (BitWidth > AndBitWidth) {
APInt Zeros, Ones;
DAG.computeKnownBits(Op0, Zeros, Ones);
if (Zeros.countLeadingOnes() < BitWidth - AndBitWidth)
return SDValue();
}
LHS = Op1;
RHS = Op0.getOperand(1);
}
} else if (Op1.getOpcode() == ISD::Constant) {
ConstantSDNode *AndRHS = cast<ConstantSDNode>(Op1);
uint64_t AndRHSVal = AndRHS->getZExtValue();