diff options
| author | Kazu Hirata <kazu@google.com> | 2023-02-19 22:04:47 -0800 |
|---|---|---|
| committer | Kazu Hirata <kazu@google.com> | 2023-02-19 22:04:47 -0800 |
| commit | f8f3db27565cae8e07c2487f9714a32840c6d548 (patch) | |
| tree | 163c6d5bb9f3cee2a6b886d21e2faa8b43ed7310 /llvm/lib/IR/ConstantRange.cpp | |
| parent | bc8b6f62caba904e944af9b103972ac7b85a6082 (diff) | |
| download | llvm-f8f3db27565cae8e07c2487f9714a32840c6d548.zip llvm-f8f3db27565cae8e07c2487f9714a32840c6d548.tar.gz llvm-f8f3db27565cae8e07c2487f9714a32840c6d548.tar.bz2 | |
Use APInt::count{l,r}_{zero,one} (NFC)
Diffstat (limited to 'llvm/lib/IR/ConstantRange.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantRange.cpp | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/llvm/lib/IR/ConstantRange.cpp b/llvm/lib/IR/ConstantRange.cpp index ab94053..af70bfe 100644 --- a/llvm/lib/IR/ConstantRange.cpp +++ b/llvm/lib/IR/ConstantRange.cpp @@ -816,8 +816,7 @@ ConstantRange ConstantRange::truncate(uint32_t DstTySize) const { if (isUpperWrapped()) { // If Upper is greater than or equal to MaxValue(DstTy), it covers the whole // truncated range. - if (Upper.getActiveBits() > DstTySize || - Upper.countTrailingOnes() == DstTySize) + if (Upper.getActiveBits() > DstTySize || Upper.countr_one() == DstTySize) return getFull(DstTySize); Union = ConstantRange(APInt::getMaxValue(DstTySize),Upper.trunc(DstTySize)); @@ -1455,7 +1454,7 @@ ConstantRange::shl(const ConstantRange &Other) const { if (RHS->uge(BW)) return getEmpty(); - unsigned EqualLeadingBits = (Min ^ Max).countLeadingZeros(); + unsigned EqualLeadingBits = (Min ^ Max).countl_zero(); if (RHS->ule(EqualLeadingBits)) return getNonEmpty(Min << *RHS, (Max << *RHS) + 1); @@ -1466,7 +1465,7 @@ ConstantRange::shl(const ConstantRange &Other) const { APInt OtherMax = Other.getUnsignedMax(); // There's overflow! - if (OtherMax.ugt(Max.countLeadingZeros())) + if (OtherMax.ugt(Max.countl_zero())) return getFull(); // FIXME: implement the other tricky cases @@ -1695,12 +1694,12 @@ ConstantRange ConstantRange::ctlz(bool ZeroIsPoison) const { // Compute the resulting range by excluding zero from Lower. return ConstantRange( - APInt(getBitWidth(), (getUpper() - 1).countLeadingZeros()), - APInt(getBitWidth(), (getLower() + 1).countLeadingZeros() + 1)); + APInt(getBitWidth(), (getUpper() - 1).countl_zero()), + APInt(getBitWidth(), (getLower() + 1).countl_zero() + 1)); } else if ((getUpper() - 1).isZero()) { // Compute the resulting range by excluding zero from Upper. - return ConstantRange( - Zero, APInt(getBitWidth(), getLower().countLeadingZeros() + 1)); + return ConstantRange(Zero, + APInt(getBitWidth(), getLower().countl_zero() + 1)); } else { return ConstantRange(Zero, APInt(getBitWidth(), getBitWidth())); } @@ -1708,9 +1707,8 @@ ConstantRange ConstantRange::ctlz(bool ZeroIsPoison) const { // Zero is either safe or not in the range. The output range is composed by // the result of countLeadingZero of the two extremes. - return getNonEmpty( - APInt(getBitWidth(), getUnsignedMax().countLeadingZeros()), - APInt(getBitWidth(), getUnsignedMin().countLeadingZeros() + 1)); + return getNonEmpty(APInt(getBitWidth(), getUnsignedMax().countl_zero()), + APInt(getBitWidth(), getUnsignedMin().countl_zero() + 1)); } ConstantRange::OverflowResult ConstantRange::unsignedAddMayOverflow( |