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Use getConstant instead of getIntegerSCEV. The two are basically the

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same, now that getConstant has overloads consistent with ConstantInt::get.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102965 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-05-03 22:09:21 +00:00
parent cec9c50924
commit deff621abd
4 changed files with 43 additions and 44 deletions
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26
lib/Analysis/ScalarEvolutionExpander.cpp
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@ -192,7 +192,7 @@ static bool FactorOutConstant(const SCEV *&S,
// x/x == 1.
if (S == Factor) {
S = SE.getIntegerSCEV(1, S->getType());
S = SE.getConstant(S->getType(), 1);
return true;
}
@ -244,7 +244,7 @@ static bool FactorOutConstant(const SCEV *&S,
// Mul's operands. If so, we can just remove it.
for (unsigned i = 0, e = M->getNumOperands(); i != e; ++i) {
const SCEV *SOp = M->getOperand(i);
const SCEV *Remainder = SE.getIntegerSCEV(0, SOp->getType());
const SCEV *Remainder = SE.getConstant(SOp->getType(), 0);
if (FactorOutConstant(SOp, Remainder, Factor, SE, TD) &&
Remainder->isZero()) {
SmallVector<const SCEV *, 4> NewMulOps(M->op_begin(), M->op_end());
@ -259,7 +259,7 @@ static bool FactorOutConstant(const SCEV *&S,
// In an AddRec, check if both start and step are divisible.
if (const SCEVAddRecExpr *A = dyn_cast<SCEVAddRecExpr>(S)) {
const SCEV *Step = A->getStepRecurrence(SE);
const SCEV *StepRem = SE.getIntegerSCEV(0, Step->getType());
const SCEV *StepRem = SE.getConstant(Step->getType(), 0);
if (!FactorOutConstant(Step, StepRem, Factor, SE, TD))
return false;
if (!StepRem->isZero())
@ -289,7 +289,7 @@ static void SimplifyAddOperands(SmallVectorImpl<const SCEV *> &Ops,
SmallVector<const SCEV *, 8> AddRecs(Ops.end() - NumAddRecs, Ops.end());
// Let ScalarEvolution sort and simplify the non-addrecs list.
const SCEV *Sum = NoAddRecs.empty() ?
SE.getIntegerSCEV(0, Ty) :
SE.getConstant(Ty, 0) :
SE.getAddExpr(NoAddRecs);
// If it returned an add, use the operands. Otherwise it simplified
// the sum into a single value, so just use that.
@ -316,7 +316,7 @@ static void SplitAddRecs(SmallVectorImpl<const SCEV *> &Ops,
while (const SCEVAddRecExpr *A = dyn_cast<SCEVAddRecExpr>(Ops[i])) {
const SCEV *Start = A->getStart();
if (Start->isZero()) break;
const SCEV *Zero = SE.getIntegerSCEV(0, Ty);
const SCEV *Zero = SE.getConstant(Ty, 0);
AddRecs.push_back(SE.getAddRecExpr(Zero,
A->getStepRecurrence(SE),
A->getLoop()));
@ -392,7 +392,7 @@ Value *SCEVExpander::expandAddToGEP(const SCEV *const *op_begin,
SmallVector<const SCEV *, 8> NewOps;
for (unsigned i = 0, e = Ops.size(); i != e; ++i) {
const SCEV *Op = Ops[i];
const SCEV *Remainder = SE.getIntegerSCEV(0, Ty);
const SCEV *Remainder = SE.getConstant(Ty, 0);
if (FactorOutConstant(Op, Remainder, ElSize, SE, SE.TD)) {
// Op now has ElSize factored out.
ScaledOps.push_back(Op);
@ -803,7 +803,7 @@ static void ExposePointerBase(const SCEV *&Base, const SCEV *&Rest,
while (const SCEVAddRecExpr *A = dyn_cast<SCEVAddRecExpr>(Base)) {
Base = A->getStart();
Rest = SE.getAddExpr(Rest,
SE.getAddRecExpr(SE.getIntegerSCEV(0, A->getType()),
SE.getAddRecExpr(SE.getConstant(A->getType(), 0),
A->getStepRecurrence(SE),
A->getLoop()));
}
@ -985,7 +985,7 @@ Value *SCEVExpander::expandAddRecExprLiterally(const SCEVAddRecExpr *S) {
const SCEV *PostLoopOffset = 0;
if (!Start->properlyDominates(L->getHeader(), SE.DT)) {
PostLoopOffset = Start;
Start = SE.getIntegerSCEV(0, Normalized->getType());
Start = SE.getConstant(Normalized->getType(), 0);
Normalized =
cast<SCEVAddRecExpr>(SE.getAddRecExpr(Start,
Normalized->getStepRecurrence(SE),
@ -997,7 +997,7 @@ Value *SCEVExpander::expandAddRecExprLiterally(const SCEVAddRecExpr *S) {
const SCEV *PostLoopScale = 0;
if (!Step->dominates(L->getHeader(), SE.DT)) {
PostLoopScale = Step;
Step = SE.getIntegerSCEV(1, Normalized->getType());
Step = SE.getConstant(Normalized->getType(), 1);
Normalized =
cast<SCEVAddRecExpr>(SE.getAddRecExpr(Start, Step,
Normalized->getLoop()));
@ -1080,7 +1080,7 @@ Value *SCEVExpander::visitAddRecExpr(const SCEVAddRecExpr *S) {
// {X,+,F} --> X + {0,+,F}
if (!S->getStart()->isZero()) {
SmallVector<const SCEV *, 4> NewOps(S->op_begin(), S->op_end());
NewOps[0] = SE.getIntegerSCEV(0, Ty);
NewOps[0] = SE.getConstant(Ty, 0);
const SCEV *Rest = SE.getAddRecExpr(NewOps, L);
// Turn things like ptrtoint+arithmetic+inttoptr into GEP. See the
@ -1108,7 +1108,7 @@ Value *SCEVExpander::visitAddRecExpr(const SCEVAddRecExpr *S) {
// {0,+,1} --> Insert a canonical induction variable into the loop!
if (S->isAffine() &&
S->getOperand(1) == SE.getIntegerSCEV(1, Ty)) {
S->getOperand(1) == SE.getConstant(Ty, 1)) {
// If there's a canonical IV, just use it.
if (CanonicalIV) {
assert(Ty == SE.getEffectiveSCEVType(CanonicalIV->getType()) &&
@ -1342,8 +1342,8 @@ Value *
SCEVExpander::getOrInsertCanonicalInductionVariable(const Loop *L,
const Type *Ty) {
assert(Ty->isIntegerTy() && "Can only insert integer induction variables!");
const SCEV *H = SE.getAddRecExpr(SE.getIntegerSCEV(0, Ty),
SE.getIntegerSCEV(1, Ty), L);
const SCEV *H = SE.getAddRecExpr(SE.getConstant(Ty, 0),
SE.getConstant(Ty, 1), L);
BasicBlock *SaveInsertBB = Builder.GetInsertBlock();
BasicBlock::iterator SaveInsertPt = Builder.GetInsertPoint();
Value *V = expandCodeFor(H, 0, L->getHeader()->begin());