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use isZero()

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208614 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sebastian Pop
2014-05-12 19:01:49 +00:00
parent 9f84cecfdc
commit d9673ebd34
1 changed files with 5 additions and 6 deletions
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11
lib/Analysis/ScalarEvolution.cpp
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@ -6987,7 +6987,7 @@ public:
return; return;
} }
if (Numerator == D.Zero) { if (Numerator->isZero()) {
*Quotient = D.Zero; *Quotient = D.Zero;
*Remainder = D.Zero; *Remainder = D.Zero;
return; return;
@ -7003,7 +7003,7 @@ public:
// Bail out when the Numerator is not divisible by one of the terms of // Bail out when the Numerator is not divisible by one of the terms of
// the Denominator. // the Denominator.
if (R != D.Zero) { if (!R->isZero()) {
*Quotient = D.Zero; *Quotient = D.Zero;
*Remainder = Numerator; *Remainder = Numerator;
return; return;
@ -7091,7 +7091,7 @@ public:
// Check whether Denominator divides one of the product operands. // Check whether Denominator divides one of the product operands.
const SCEV *Q, *R; const SCEV *Q, *R;
divide(SE, Op, Denominator, &Q, &R); divide(SE, Op, Denominator, &Q, &R);
if (R != Zero) { if (!R->isZero()) {
Qs.push_back(Op); Qs.push_back(Op);
continue; continue;
} }
@ -7169,13 +7169,12 @@ findGCD(ScalarEvolution &SE, const SCEV *A, const SCEV *B) {
return SE.getMulExpr(Qs); return SE.getMulExpr(Qs);
} }
const SCEV *Zero = SE.getConstant(A->getType(), 0);
SCEVDivision::divide(SE, A, B, &Q, &R); SCEVDivision::divide(SE, A, B, &Q, &R);
if (R == Zero) if (R->isZero())
return B; return B;
SCEVDivision::divide(SE, B, A, &Q, &R); SCEVDivision::divide(SE, B, A, &Q, &R);
if (R == Zero) if (R->isZero())
return A; return A;
return One; return One;