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Don't pass const pointers by reference.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91647 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-12-18 00:38:08 +00:00
parent 34d2b90d09
commit 6a27e1550d
1 changed files with 13 additions and 13 deletions
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26
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -144,7 +144,7 @@ namespace {
/// StrengthReduceIVUsersOfStride - Strength reduce all of the users of a
/// single stride of IV. All of the users may have different starting
/// values, and this may not be the only stride.
void StrengthReduceIVUsersOfStride(const SCEV *const &Stride,
void StrengthReduceIVUsersOfStride(const SCEV *Stride,
IVUsersOfOneStride &Uses,
Loop *L);
void StrengthReduceIVUsers(Loop *L);
@ -157,14 +157,14 @@ namespace {
bool FindIVUserForCond(ICmpInst *Cond, IVStrideUse *&CondUse,
const SCEV* &CondStride);
bool RequiresTypeConversion(const Type *Ty, const Type *NewTy);
const SCEV *CheckForIVReuse(bool, bool, bool, const SCEV *const&,
const SCEV *CheckForIVReuse(bool, bool, bool, const SCEV *,
IVExpr&, const Type*,
const std::vector<BasedUser>& UsersToProcess);
bool ValidScale(bool, int64_t,
const std::vector<BasedUser>& UsersToProcess);
bool ValidOffset(bool, int64_t, int64_t,
const std::vector<BasedUser>& UsersToProcess);
const SCEV *CollectIVUsers(const SCEV *const &Stride,
const SCEV *CollectIVUsers(const SCEV *Stride,
IVUsersOfOneStride &Uses,
Loop *L,
bool &AllUsesAreAddresses,
@ -324,13 +324,13 @@ namespace {
// Once we rewrite the code to insert the new IVs we want, update the
// operands of Inst to use the new expression 'NewBase', with 'Imm' added
// to it.
void RewriteInstructionToUseNewBase(const SCEV *const &NewBase,
void RewriteInstructionToUseNewBase(const SCEV *NewBase,
Instruction *InsertPt,
SCEVExpander &Rewriter, Loop *L, Pass *P,
SmallVectorImpl<WeakVH> &DeadInsts,
ScalarEvolution *SE);
Value *InsertCodeForBaseAtPosition(const SCEV *const &NewBase,
Value *InsertCodeForBaseAtPosition(const SCEV *NewBase,
const Type *Ty,
SCEVExpander &Rewriter,
Instruction *IP,
@ -345,7 +345,7 @@ void BasedUser::dump() const {
errs() << " Inst: " << *Inst;
}
Value *BasedUser::InsertCodeForBaseAtPosition(const SCEV *const &NewBase,
Value *BasedUser::InsertCodeForBaseAtPosition(const SCEV *NewBase,
const Type *Ty,
SCEVExpander &Rewriter,
Instruction *IP,
@ -369,7 +369,7 @@ Value *BasedUser::InsertCodeForBaseAtPosition(const SCEV *const &NewBase,
// value of NewBase in the case that it's a diffferent instruction from
// the PHI that NewBase is computed from, or null otherwise.
//
void BasedUser::RewriteInstructionToUseNewBase(const SCEV *const &NewBase,
void BasedUser::RewriteInstructionToUseNewBase(const SCEV *NewBase,
Instruction *NewBasePt,
SCEVExpander &Rewriter, Loop *L, Pass *P,
SmallVectorImpl<WeakVH> &DeadInsts,
@ -485,7 +485,7 @@ void BasedUser::RewriteInstructionToUseNewBase(const SCEV *const &NewBase,
/// fitsInAddressMode - Return true if V can be subsumed within an addressing
/// mode, and does not need to be put in a register first.
static bool fitsInAddressMode(const SCEV *const &V, const Type *AccessTy,
static bool fitsInAddressMode(const SCEV *V, const Type *AccessTy,
const TargetLowering *TLI, bool HasBaseReg) {
if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(V)) {
int64_t VC = SC->getValue()->getSExtValue();
@ -937,7 +937,7 @@ bool LoopStrengthReduce::RequiresTypeConversion(const Type *Ty1,
const SCEV *LoopStrengthReduce::CheckForIVReuse(bool HasBaseReg,
bool AllUsesAreAddresses,
bool AllUsesAreOutsideLoop,
const SCEV *const &Stride,
const SCEV *Stride,
IVExpr &IV, const Type *Ty,
const std::vector<BasedUser>& UsersToProcess) {
if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(Stride)) {
@ -1050,7 +1050,7 @@ static bool PartitionByIsUseOfPostIncrementedValue(const BasedUser &Val) {
/// isNonConstantNegative - Return true if the specified scev is negated, but
/// not a constant.
static bool isNonConstantNegative(const SCEV *const &Expr) {
static bool isNonConstantNegative(const SCEV *Expr) {
const SCEVMulExpr *Mul = dyn_cast<SCEVMulExpr>(Expr);
if (!Mul) return false;
@ -1067,7 +1067,7 @@ static bool isNonConstantNegative(const SCEV *const &Expr) {
/// base of the strided accesses, as well as the old information from Uses. We
/// progressively move information from the Base field to the Imm field, until
/// we eventually have the full access expression to rewrite the use.
const SCEV *LoopStrengthReduce::CollectIVUsers(const SCEV *const &Stride,
const SCEV *LoopStrengthReduce::CollectIVUsers(const SCEV *Stride,
IVUsersOfOneStride &Uses,
Loop *L,
bool &AllUsesAreAddresses,
@ -1444,7 +1444,7 @@ static bool IsImmFoldedIntoAddrMode(GlobalValue *GV, int64_t Offset,
/// stride of IV. All of the users may have different starting values, and this
/// may not be the only stride.
void
LoopStrengthReduce::StrengthReduceIVUsersOfStride(const SCEV *const &Stride,
LoopStrengthReduce::StrengthReduceIVUsersOfStride(const SCEV *Stride,
IVUsersOfOneStride &Uses,
Loop *L) {
// If all the users are moved to another stride, then there is nothing to do.
@ -1777,7 +1777,7 @@ namespace {
const ScalarEvolution *SE;
explicit StrideCompare(const ScalarEvolution *se) : SE(se) {}
bool operator()(const SCEV *const &LHS, const SCEV *const &RHS) {
bool operator()(const SCEV *LHS, const SCEV *RHS) {
const SCEVConstant *LHSC = dyn_cast<SCEVConstant>(LHS);
const SCEVConstant *RHSC = dyn_cast<SCEVConstant>(RHS);
if (LHSC && RHSC) {