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Minor code cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74551 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -110,7 +110,9 @@ char ScalarEvolution::ID = 0;
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//===----------------------------------------------------------------------===//
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// Implementation of the SCEV class.
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//
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SCEV::~SCEV() {}
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void SCEV::dump() const {
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print(errs());
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errs() << '\n';
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@ -387,7 +389,6 @@ bool SCEVAddRecExpr::isLoopInvariant(const Loop *QueryLoop) const {
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return true;
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}
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void SCEVAddRecExpr::print(raw_ostream &OS) const {
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OS << "{" << *Operands[0];
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for (unsigned i = 1, e = Operands.size(); i != e; ++i)
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@ -743,6 +744,7 @@ const SCEV* ScalarEvolution::getTruncateExpr(const SCEV* Op,
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"This is not a conversion to a SCEVable type!");
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Ty = getEffectiveSCEVType(Ty);
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// Fold if the operand is constant.
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if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(Op))
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return getConstant(
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cast<ConstantInt>(ConstantExpr::getTrunc(SC->getValue(), Ty)));
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@ -787,6 +789,7 @@ const SCEV* ScalarEvolution::getZeroExtendExpr(const SCEV* Op,
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"This is not a conversion to a SCEVable type!");
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Ty = getEffectiveSCEVType(Ty);
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// Fold if the operand is constant.
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if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(Op)) {
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const Type *IntTy = getEffectiveSCEVType(Ty);
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Constant *C = ConstantExpr::getZExt(SC->getValue(), IntTy);
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@ -882,6 +885,7 @@ const SCEV* ScalarEvolution::getSignExtendExpr(const SCEV* Op,
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"This is not a conversion to a SCEVable type!");
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Ty = getEffectiveSCEVType(Ty);
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// Fold if the operand is constant.
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if (const SCEVConstant *SC = dyn_cast<SCEVConstant>(Op)) {
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const Type *IntTy = getEffectiveSCEVType(Ty);
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Constant *C = ConstantExpr::getSExt(SC->getValue(), IntTy);
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@ -4241,7 +4245,7 @@ ScalarEvolution::HowManyLessThans(const SCEV *LHS, const SCEV *RHS,
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// The maximum backedge count is similar, except using the minimum start
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// value and the maximum end value.
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const SCEV* MaxBECount = getBECount(MinStart, MaxEnd, Step);;
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const SCEV* MaxBECount = getBECount(MinStart, MaxEnd, Step);
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return BackedgeTakenInfo(BECount, MaxBECount);
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}
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