mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-18 12:29:21 +00:00
Use APInt::intersects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47380 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
bd99917892
commit
ca93a43e84
@ -1283,9 +1283,9 @@ void SelectionDAG::ComputeMaskedBits(SDOperand Op, const APInt &Mask,
|
||||
APInt SignBit = APInt::getSignBit(BitWidth);
|
||||
SignBit = SignBit.lshr(ShAmt); // Adjust to where it is now in the mask.
|
||||
|
||||
if (!!(KnownZero & SignBit)) {
|
||||
if (KnownZero.intersects(SignBit)) {
|
||||
KnownZero |= HighBits; // New bits are known zero.
|
||||
} else if (!!(KnownOne & SignBit)) {
|
||||
} else if (KnownOne.intersects(SignBit)) {
|
||||
KnownOne |= HighBits; // New bits are known one.
|
||||
}
|
||||
}
|
||||
@ -1313,10 +1313,10 @@ void SelectionDAG::ComputeMaskedBits(SDOperand Op, const APInt &Mask,
|
||||
|
||||
// If the sign bit of the input is known set or clear, then we know the
|
||||
// top bits of the result.
|
||||
if (!!(KnownZero & InSignBit)) { // Input sign bit known clear
|
||||
if (KnownZero.intersects(InSignBit)) { // Input sign bit known clear
|
||||
KnownZero |= NewBits;
|
||||
KnownOne &= ~NewBits;
|
||||
} else if (!!(KnownOne & InSignBit)) { // Input sign bit known set
|
||||
} else if (KnownOne.intersects(InSignBit)) { // Input sign bit known set
|
||||
KnownOne |= NewBits;
|
||||
KnownZero &= ~NewBits;
|
||||
} else { // Input sign bit unknown
|
||||
|
Loading…
Reference in New Issue
Block a user