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Spelling fixes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97453 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-03-01 17:49:51 +00:00
parent 67d9bf9dc4
commit 3f46a3abee
7 changed files with 45 additions and 45 deletions
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4
include/llvm/Analysis/IVUsers.h
View File

@ -61,7 +61,7 @@ public:
Stride = Val;
}
/// getOffset - Return the offset to add to a theoeretical induction
/// getOffset - Return the offset to add to a theoretical induction
/// variable that starts at zero and counts up by the stride to compute
/// the value for the use. This always has the same type as the stride.
const SCEV *getOffset() const { return Offset; }
@ -116,7 +116,7 @@ private:
bool IsUseOfPostIncrementedValue;
/// Deleted - Implementation of CallbackVH virtual function to
/// recieve notification when the User is deleted.
/// receive notification when the User is deleted.
virtual void deleted();
};

12
include/llvm/Analysis/ScalarEvolution.h
View File

@ -8,7 +8,7 @@
//===----------------------------------------------------------------------===//
//
// The ScalarEvolution class is an LLVM pass which can be used to analyze and
// catagorize scalar expressions in loops. It specializes in recognizing
// categorize scalar expressions in loops. It specializes in recognizing
// general induction variables, representing them with the abstract and opaque
// SCEV class. Given this analysis, trip counts of loops and other important
// properties can be obtained.
@ -55,7 +55,7 @@ namespace llvm {
protected:
/// SubclassData - This field is initialized to zero and may be used in
/// subclasses to store miscelaneous information.
/// subclasses to store miscellaneous information.
unsigned short SubclassData;
private:
@ -177,7 +177,7 @@ namespace llvm {
///
LoopInfo *LI;
/// TD - The target data information for the target we are targetting.
/// TD - The target data information for the target we are targeting.
///
TargetData *TD;
@ -194,7 +194,7 @@ namespace llvm {
std::map<SCEVCallbackVH, const SCEV *> Scalars;
/// BackedgeTakenInfo - Information about the backedge-taken count
/// of a loop. This currently inclues an exact count and a maximum count.
/// of a loop. This currently includes an exact count and a maximum count.
///
struct BackedgeTakenInfo {
/// Exact - An expression indicating the exact backedge-taken count of
@ -353,14 +353,14 @@ namespace llvm {
bool Inverse);
/// isImpliedCondOperands - Test whether the condition described by Pred,
/// LHS, and RHS is true whenever the condition desribed by Pred, FoundLHS,
/// LHS, and RHS is true whenever the condition described by Pred, FoundLHS,
/// and FoundRHS is true.
bool isImpliedCondOperands(ICmpInst::Predicate Pred,
const SCEV *LHS, const SCEV *RHS,
const SCEV *FoundLHS, const SCEV *FoundRHS);
/// isImpliedCondOperandsHelper - Test whether the condition described by
/// Pred, LHS, and RHS is true whenever the condition desribed by Pred,
/// Pred, LHS, and RHS is true whenever the condition described by Pred,
/// FoundLHS, and FoundRHS is true.
bool isImpliedCondOperandsHelper(ICmpInst::Predicate Pred,
const SCEV *LHS, const SCEV *RHS,

4
lib/Analysis/IVUsers.cpp
View File

@ -222,7 +222,7 @@ bool IVUsers::AddUsersIfInteresting(Instruction *I) {
// Descend recursively, but not into PHI nodes outside the current loop.
// It's important to see the entire expression outside the loop to get
// choices that depend on addressing mode use right, although we won't
// consider references ouside the loop in all cases.
// consider references outside the loop in all cases.
// If User is already in Processed, we don't want to recurse into it again,
// but do want to record a second reference in the same instruction.
bool AddUserToIVUsers = false;
@ -330,7 +330,7 @@ void IVUsers::print(raw_ostream &OS, const Module *M) const {
}
OS << ":\n";
// Use a defualt AssemblyAnnotationWriter to suppress the default info
// Use a default AssemblyAnnotationWriter to suppress the default info
// comments, which aren't relevant here.
AssemblyAnnotationWriter Annotator;
for (ilist<IVStrideUse>::const_iterator UI = IVUses.begin(),

28
lib/Analysis/ScalarEvolution.cpp
View File

@ -616,7 +616,7 @@ namespace {
/// When this routine is finished, we know that any duplicates in the vector are
/// consecutive and that complexity is monotonically increasing.
///
/// Note that we go take special precautions to ensure that we get determinstic
/// Note that we go take special precautions to ensure that we get deterministic
/// results from this routine. In other words, we don't want the results of
/// this to depend on where the addresses of various SCEV objects happened to
/// land in memory.
@ -744,7 +744,7 @@ static const SCEV *BinomialCoefficient(const SCEV *It, unsigned K,
// We need at least W + T bits for the multiplication step
unsigned CalculationBits = W + T;
// Calcuate 2^T, at width T+W.
// Calculate 2^T, at width T+W.
APInt DivFactor = APInt(CalculationBits, 1).shl(T);
// Calculate the multiplicative inverse of K! / 2^T;
@ -1410,7 +1410,7 @@ const SCEV *ScalarEvolution::getAddExpr(SmallVectorImpl<const SCEV *> &Ops,
// If we deleted at least one add, we added operands to the end of the list,
// and they are not necessarily sorted. Recurse to resort and resimplify
// any operands we just aquired.
// any operands we just acquired.
if (DeletedAdd)
return getAddExpr(Ops);
}
@ -1717,7 +1717,7 @@ const SCEV *ScalarEvolution::getMulExpr(SmallVectorImpl<const SCEV *> &Ops,
// If we deleted at least one mul, we added operands to the end of the list,
// and they are not necessarily sorted. Recurse to resort and resimplify
// any operands we just aquired.
// any operands we just acquired.
if (DeletedMul)
return getMulExpr(Ops);
}
@ -2746,7 +2746,7 @@ const SCEV *ScalarEvolution::createNodeForGEP(GEPOperator *GEP) {
} else {
// For an array, add the element offset, explicitly scaled.
const SCEV *LocalOffset = getSCEV(Index);
// Getelementptr indicies are signed.
// Getelementptr indices are signed.
LocalOffset = getTruncateOrSignExtend(LocalOffset, IntPtrTy);
// Lower "inbounds" GEPs to NSW arithmetic.
LocalOffset = getMulExpr(LocalOffset, getSizeOfExpr(*GTI),
@ -3220,7 +3220,7 @@ const SCEV *ScalarEvolution::createSCEV(Value *V) {
const Type *Z0Ty = Z0->getType();
unsigned Z0TySize = getTypeSizeInBits(Z0Ty);
// If C is a low-bits mask, the zero extend is zerving to
// If C is a low-bits mask, the zero extend is serving to
// mask off the high bits. Complement the operand and
// re-apply the zext.
if (APIntOps::isMask(Z0TySize, CI->getValue()))
@ -3405,7 +3405,7 @@ PushLoopPHIs(const Loop *L, SmallVectorImpl<Instruction *> &Worklist) {
const ScalarEvolution::BackedgeTakenInfo &
ScalarEvolution::getBackedgeTakenInfo(const Loop *L) {
// Initially insert a CouldNotCompute for this loop. If the insertion
// succeeds, procede to actually compute a backedge-taken count and
// succeeds, proceed to actually compute a backedge-taken count and
// update the value. The temporary CouldNotCompute value tells SCEV
// code elsewhere that it shouldn't attempt to request a new
// backedge-taken count, which could result in infinite recursion.
@ -3622,7 +3622,7 @@ ScalarEvolution::ComputeBackedgeTakenCountFromExit(const Loop *L,
return getCouldNotCompute();
}
// Procede to the next level to examine the exit condition expression.
// Proceed to the next level to examine the exit condition expression.
return ComputeBackedgeTakenCountFromExitCond(L, ExitBr->getCondition(),
ExitBr->getSuccessor(0),
ExitBr->getSuccessor(1));
@ -3711,7 +3711,7 @@ ScalarEvolution::ComputeBackedgeTakenCountFromExitCond(const Loop *L,
}
// With an icmp, it may be feasible to compute an exact backedge-taken count.
// Procede to the next level to examine the icmp.
// Proceed to the next level to examine the icmp.
if (ICmpInst *ExitCondICmp = dyn_cast<ICmpInst>(ExitCond))
return ComputeBackedgeTakenCountFromExitCondICmp(L, ExitCondICmp, TBB, FBB);
@ -4780,7 +4780,7 @@ bool ScalarEvolution::isImpliedCond(Value *CondValue,
ICmpInst::Predicate Pred,
const SCEV *LHS, const SCEV *RHS,
bool Inverse) {
// Recursivly handle And and Or conditions.
// Recursively handle And and Or conditions.
if (BinaryOperator *BO = dyn_cast<BinaryOperator>(CondValue)) {
if (BO->getOpcode() == Instruction::And) {
if (!Inverse)
@ -4983,7 +4983,7 @@ bool ScalarEvolution::isImpliedCond(Value *CondValue,
}
/// isImpliedCondOperands - Test whether the condition described by Pred,
/// LHS, and RHS is true whenever the condition desribed by Pred, FoundLHS,
/// LHS, and RHS is true whenever the condition described by Pred, FoundLHS,
/// and FoundRHS is true.
bool ScalarEvolution::isImpliedCondOperands(ICmpInst::Predicate Pred,
const SCEV *LHS, const SCEV *RHS,
@ -4998,7 +4998,7 @@ bool ScalarEvolution::isImpliedCondOperands(ICmpInst::Predicate Pred,
}
/// isImpliedCondOperandsHelper - Test whether the condition described by
/// Pred, LHS, and RHS is true whenever the condition desribed by Pred,
/// Pred, LHS, and RHS is true whenever the condition described by Pred,
/// FoundLHS, and FoundRHS is true.
bool
ScalarEvolution::isImpliedCondOperandsHelper(ICmpInst::Predicate Pred,
@ -5156,7 +5156,7 @@ ScalarEvolution::HowManyLessThans(const SCEV *LHS, const SCEV *RHS,
// If MaxEnd is within a step of the maximum integer value in its type,
// adjust it down to the minimum value which would produce the same effect.
// This allows the subsequent ceiling divison of (N+(step-1))/step to
// This allows the subsequent ceiling division of (N+(step-1))/step to
// compute the correct value.
const SCEV *StepMinusOne = getMinusSCEV(Step,
getIntegerSCEV(1, Step->getType()));
@ -5433,7 +5433,7 @@ static void PrintLoopInfo(raw_ostream &OS, ScalarEvolution *SE,
}
void ScalarEvolution::print(raw_ostream &OS, const Module *) const {
// ScalarEvolution's implementaiton of the print method is to print
// ScalarEvolution's implementation of the print method is to print
// out SCEV values of all instructions that are interesting. Doing
// this potentially causes it to create new SCEV objects though,
// which technically conflicts with the const qualifier. This isn't

8
lib/Analysis/ScalarEvolutionExpander.cpp
View File

@ -152,7 +152,7 @@ Value *SCEVExpander::InsertBinop(Instruction::BinaryOps Opcode,
/// FactorOutConstant - Test if S is divisible by Factor, using signed
/// division. If so, update S with Factor divided out and return true.
/// S need not be evenly divisble if a reasonable remainder can be
/// S need not be evenly divisible if a reasonable remainder can be
/// computed.
/// TODO: When ScalarEvolution gets a SCEVSDivExpr, this can be made
/// unnecessary; in its place, just signed-divide Ops[i] by the scale and
@ -462,7 +462,7 @@ Value *SCEVExpander::expandAddToGEP(const SCEV *const *op_begin,
break;
}
// If none of the operands were convertable to proper GEP indices, cast
// If none of the operands were convertible to proper GEP indices, cast
// the base to i8* and do an ugly getelementptr with that. It's still
// better than ptrtoint+arithmetic+inttoptr at least.
if (!AnyNonZeroIndices) {
@ -820,7 +820,7 @@ Value *SCEVExpander::expandAddRecExprLiterally(const SCEVAddRecExpr *S) {
const Type *ExpandTy = PostLoopScale ? IntTy : STy;
PHINode *PN = getAddRecExprPHILiterally(Normalized, L, ExpandTy, IntTy);
// Accomodate post-inc mode, if necessary.
// Accommodate post-inc mode, if necessary.
Value *Result;
if (L != PostIncLoop)
Result = PN;
@ -1131,7 +1131,7 @@ void SCEVExpander::rememberInstruction(Value *I) {
}
void SCEVExpander::restoreInsertPoint(BasicBlock *BB, BasicBlock::iterator I) {
// If we aquired more instructions since the old insert point was saved,
// If we acquired more instructions since the old insert point was saved,
// advance past them.
while (isInsertedInstruction(I)) ++I;

12
lib/Transforms/Scalar/IndVarSimplify.cpp
View File

@ -594,8 +594,8 @@ void IndVarSimplify::SinkUnusedInvariants(Loop *L) {
}
}
/// Return true if it is OK to use SIToFPInst for an inducation variable
/// with given inital and exit values.
/// Return true if it is OK to use SIToFPInst for an induction variable
/// with given initial and exit values.
static bool useSIToFPInst(ConstantFP &InitV, ConstantFP &ExitV,
uint64_t intIV, uint64_t intEV) {
@ -648,7 +648,7 @@ void IndVarSimplify::HandleFloatingPointIV(Loop *L, PHINode *PH) {
if (!convertToInt(InitValue->getValueAPF(), &newInitValue))
return;
// Check IV increment. Reject this PH if increement operation is not
// Check IV increment. Reject this PH if increment operation is not
// an add or increment value can not be represented by an integer.
BinaryOperator *Incr =
dyn_cast<BinaryOperator>(PH->getIncomingValue(BackEdge));
@ -684,7 +684,7 @@ void IndVarSimplify::HandleFloatingPointIV(Loop *L, PHINode *PH) {
if (BI->getCondition() != EC) return;
}
// Find exit value. If exit value can not be represented as an interger then
// Find exit value. If exit value can not be represented as an integer then
// do not handle this floating point PH.
ConstantFP *EV = NULL;
unsigned EVIndex = 1;
@ -746,11 +746,11 @@ void IndVarSimplify::HandleFloatingPointIV(Loop *L, PHINode *PH) {
ICmpInst *NewEC = new ICmpInst(EC->getParent()->getTerminator(),
NewPred, LHS, RHS, EC->getName());
// In the following deltions, PH may become dead and may be deleted.
// In the following deletions, PH may become dead and may be deleted.
// Use a WeakVH to observe whether this happens.
WeakVH WeakPH = PH;
// Delete old, floating point, exit comparision instruction.
// Delete old, floating point, exit comparison instruction.
NewEC->takeName(EC);
EC->replaceAllUsesWith(NewEC);
RecursivelyDeleteTriviallyDeadInstructions(EC);

22
lib/Transforms/Scalar/LoopStrengthReduce.cpp
View File

@ -198,7 +198,7 @@ struct Formula {
}
/// DoInitialMatch - Recurrsion helper for InitialMatch.
/// DoInitialMatch - Recursion helper for InitialMatch.
static void DoInitialMatch(const SCEV *S, Loop *L,
SmallVectorImpl<const SCEV *> &Good,
SmallVectorImpl<const SCEV *> &Bad,
@ -1246,7 +1246,7 @@ public:
}
/// OptimizeShadowIV - If IV is used in a int-to-float cast
/// inside the loop then try to eliminate the cast opeation.
/// inside the loop then try to eliminate the cast operation.
void LSRInstance::OptimizeShadowIV() {
const SCEV *BackedgeTakenCount = SE.getBackedgeTakenCount(L);
if (isa<SCEVCouldNotCompute>(BackedgeTakenCount))
@ -1673,7 +1673,7 @@ LSRInstance::reconcileNewOffset(LSRUse &LU, int64_t NewOffset,
/// getUse - Return an LSRUse index and an offset value for a fixup which
/// needs the given expression, with the given kind and optional access type.
/// Either reuse an exisitng use or create a new one, as needed.
/// Either reuse an existing use or create a new one, as needed.
std::pair<size_t, int64_t>
LSRInstance::getUse(const SCEV *&Expr,
LSRUse::KindType Kind, const Type *AccessTy) {
@ -2035,7 +2035,7 @@ void LSRInstance::GenerateReassociations(LSRUse &LU, unsigned LUIdx,
/// loop-dominating registers added into a single register.
void LSRInstance::GenerateCombinations(LSRUse &LU, unsigned LUIdx,
Formula Base) {
// This method is only intersting on a plurality of registers.
// This method is only interesting on a plurality of registers.
if (Base.BaseRegs.size() <= 1) return;
Formula F = Base;
@ -2054,7 +2054,7 @@ void LSRInstance::GenerateCombinations(LSRUse &LU, unsigned LUIdx,
const SCEV *Sum = SE.getAddExpr(Ops);
// TODO: If Sum is zero, it probably means ScalarEvolution missed an
// opportunity to fold something. For now, just ignore such cases
// rather than procede with zero in a register.
// rather than proceed with zero in a register.
if (!Sum->isZero()) {
F.BaseRegs.push_back(Sum);
(void)InsertFormula(LU, LUIdx, F);
@ -2401,7 +2401,7 @@ void LSRInstance::GenerateCrossUseConstantOffsets() {
const SCEV *NegImmS = SE.getSCEV(ConstantInt::get(IntTy, -(uint64_t)Imm));
unsigned BitWidth = SE.getTypeSizeInBits(IntTy);
// TODO: Use a more targetted data structure.
// TODO: Use a more targeted data structure.
for (size_t L = 0, LE = LU.Formulae.size(); L != LE; ++L) {
Formula F = LU.Formulae[L];
// Use the immediate in the scaled register.
@ -2569,9 +2569,9 @@ void LSRInstance::FilterOutUndesirableDedicatedRegisters() {
});
}
/// NarrowSearchSpaceUsingHeuristics - If there are an extrordinary number of
/// NarrowSearchSpaceUsingHeuristics - If there are an extraordinary number of
/// formulae to choose from, use some rough heuristics to prune down the number
/// of formulae. This keeps the main solver from taking an extrordinary amount
/// of formulae. This keeps the main solver from taking an extraordinary amount
/// of time in some worst-case scenarios.
void LSRInstance::NarrowSearchSpaceUsingHeuristics() {
// This is a rough guess that seems to work fairly well.
@ -2621,7 +2621,7 @@ void LSRInstance::NarrowSearchSpaceUsingHeuristics() {
}
DEBUG(dbgs() << "Narrowing the search space by assuming " << *Best
<< " will yeild profitable reuse.\n");
<< " will yield profitable reuse.\n");
Taken.insert(Best);
// In any use with formulae which references this register, delete formulae
@ -2668,7 +2668,7 @@ void LSRInstance::SolveRecurse(SmallVectorImpl<const Formula *> &Solution,
// - sort the formula so that the most profitable solutions are found first
// - sort the uses too
// - search faster:
// - dont compute a cost, and then compare. compare while computing a cost
// - don't compute a cost, and then compare. compare while computing a cost
// and bail early.
// - track register sets with SmallBitVector
@ -3104,7 +3104,7 @@ LSRInstance::LSRInstance(const TargetLowering *tli, Loop *l, Pass *P)
dbgs() << ":\n");
/// OptimizeShadowIV - If IV is used in a int-to-float cast
/// inside the loop then try to eliminate the cast opeation.
/// inside the loop then try to eliminate the cast operation.
OptimizeShadowIV();
// Change loop terminating condition to use the postinc iv when possible.