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fix comment typos; NFC 

llvm-svn: 291447
This commit is contained in:
Sanjay Patel 2017-01-09 16:27:56 +00:00
parent bdb2171c15
commit 940c06188e
2 changed files with 7 additions and 7 deletions
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4
llvm/include/llvm/Analysis/TargetLibraryInfo.h
View File

@ -290,7 +290,7 @@ public:
}
/// Returns extension attribute kind to be used for i32 parameters
/// correpsonding to C-level int or unsigned int. May be zeroext, signext,
/// corresponding to C-level int or unsigned int. May be zeroext, signext,
/// or none.
Attribute::AttrKind getExtAttrForI32Param(bool Signed = true) const {
if (Impl->ShouldExtI32Param)
@ -301,7 +301,7 @@ public:
}
/// Returns extension attribute kind to be used for i32 return values
/// correpsonding to C-level int or unsigned int. May be zeroext, signext,
/// corresponding to C-level int or unsigned int. May be zeroext, signext,
/// or none.
Attribute::AttrKind getExtAttrForI32Return(bool Signed = true) const {
if (Impl->ShouldExtI32Return)

10
llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
View File

@ -1903,7 +1903,7 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
return foldICmpShlOne(Cmp, Shl, C);
// Check that the shift amount is in range. If not, don't perform undefined
// shifts. When the shift is visited it will be simplified.
// shifts. When the shift is visited, it will be simplified.
unsigned TypeBits = C->getBitWidth();
if (ShiftAmt->uge(TypeBits))
return nullptr;
@ -1923,7 +1923,7 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
return new ICmpInst(Pred, X, LShrC);
if (Shl->hasOneUse()) {
// Otherwise strength reduce the shift into an and.
// Otherwise, strength reduce the shift into an and.
Constant *Mask = ConstantInt::get(Shl->getType(),
APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt->getZExtValue()));
@ -1951,7 +1951,7 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
}
// When the shift is nuw and pred is >u or <=u, comparison only really happens
// in the pre-shifted bits. Since InstSimplify canoncalizes <=u into <u, the
// in the pre-shifted bits. Since InstSimplify canonicalizes <=u into <u, the
// <=u case can be further converted to match <u (see below).
if (Shl->hasNoUnsignedWrap() &&
(Pred == ICmpInst::ICMP_UGT || Pred == ICmpInst::ICMP_ULT)) {
@ -1970,9 +1970,9 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
// Transform (icmp pred iM (shl iM %v, N), C)
// -> (icmp pred i(M-N) (trunc %v iM to i(M-N)), (trunc (C>>N))
// Transform the shl to a trunc if (trunc (C>>N)) has no loss and M-N.
// This enables us to get rid of the shift in favor of a trunc which can be
// This enables us to get rid of the shift in favor of a trunc that may be
// free on the target. It has the additional benefit of comparing to a
// smaller constant, which will be target friendly.
// smaller constant that may be more target-friendly.
unsigned Amt = ShiftAmt->getLimitedValue(TypeBits - 1);
if (Shl->hasOneUse() && Amt != 0 && C->countTrailingZeros() >= Amt &&
DL.isLegalInteger(TypeBits - Amt)) {