diff options
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
-rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 52b0af4e14..438e42886b 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -617,7 +617,7 @@ SCEVHandle SCEVAddExpr::get(std::vector<SCEVHandle> &Ops) { } // If we are left with a constant zero being added, strip it off. - if (cast<SCEVConstant>(Ops[0])->getValue()->isNullValue()) { + if (cast<SCEVConstant>(Ops[0])->getValue()->isZero()) { Ops.erase(Ops.begin()); --Idx; } @@ -857,7 +857,7 @@ SCEVHandle SCEVMulExpr::get(std::vector<SCEVHandle> &Ops) { if (cast<SCEVConstant>(Ops[0])->getValue()->equalsInt(1)) { Ops.erase(Ops.begin()); --Idx; - } else if (cast<SCEVConstant>(Ops[0])->getValue()->isNullValue()) { + } else if (cast<SCEVConstant>(Ops[0])->getValue()->isZero()) { // If we have a multiply of zero, it will always be zero. return Ops[0]; } @@ -1026,7 +1026,7 @@ SCEVHandle SCEVAddRecExpr::get(std::vector<SCEVHandle> &Operands, if (Operands.size() == 1) return Operands[0]; if (SCEVConstant *StepC = dyn_cast<SCEVConstant>(Operands.back())) - if (StepC->getValue()->isNullValue()) { + if (StepC->getValue()->isZero()) { Operands.pop_back(); return get(Operands, L); // { X,+,0 } --> X } @@ -2124,7 +2124,7 @@ SCEVHandle ScalarEvolutionsImpl::HowFarToZero(SCEV *V, const Loop *L) { // If the value is a constant if (SCEVConstant *C = dyn_cast<SCEVConstant>(V)) { // If the value is already zero, the branch will execute zero times. - if (C->getValue()->isNullValue()) return C; + if (C->getValue()->isZero()) return C; return UnknownValue; // Otherwise it will loop infinitely. } @@ -2187,7 +2187,7 @@ SCEVHandle ScalarEvolutionsImpl::HowFarToZero(SCEV *V, const Loop *L) { // should not accept a root of 2. SCEVHandle Val = AddRec->evaluateAtIteration(R1); if (SCEVConstant *EvalVal = dyn_cast<SCEVConstant>(Val)) - if (EvalVal->getValue()->isNullValue()) + if (EvalVal->getValue()->isZero()) return R1; // We found a quadratic root! } } @@ -2327,7 +2327,7 @@ SCEVHandle SCEVAddRecExpr::getNumIterationsInRange(ConstantRange Range, // If the start is a non-zero constant, shift the range to simplify things. if (SCEVConstant *SC = dyn_cast<SCEVConstant>(getStart())) - if (!SC->getValue()->isNullValue()) { + if (!SC->getValue()->isZero()) { std::vector<SCEVHandle> Operands(op_begin(), op_end()); Operands[0] = SCEVUnknown::getIntegerSCEV(0, SC->getType()); SCEVHandle Shifted = SCEVAddRecExpr::get(Operands, getLoop()); |