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Revert "Analysis: unique_ptr-ify DependenceAnalysis::collectCoeffInfo" 

This reverts commit r216358.

llvm-svn: 216431
This commit is contained in:
Dylan Noblesmith 2014-08-26 02:03:38 +00:00
parent c9e2a2709e
commit 4ffafefdaa
2 changed files with 11 additions and 12 deletions
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7
llvm/include/llvm/Analysis/DependenceAnalysis.h
View File

@ -766,10 +766,9 @@ namespace llvm {
/// collectCoefficientInfo - Walks through the subscript,
/// collecting each coefficient, the associated loop bounds,
/// and recording its positive and negative parts for later use.
std::unique_ptr<CoefficientInfo[]>
collectCoeffInfo(const SCEV *Subscript,
bool SrcFlag,
const SCEV *&Constant) const;
CoefficientInfo *collectCoeffInfo(const SCEV *Subscript,
bool SrcFlag,
const SCEV *&Constant) const;
/// getPositivePart - X^+ = max(X, 0).
///

16
llvm/lib/Analysis/DependenceAnalysis.cpp
View File

@ -2437,14 +2437,11 @@ bool DependenceAnalysis::banerjeeMIVtest(const SCEV *Src,
++BanerjeeApplications;
DEBUG(dbgs() << " Src = " << *Src << '\n');
const SCEV *A0;
auto AOwner = collectCoeffInfo(Src, true, A0);
auto A = AOwner.get();
CoefficientInfo *A = collectCoeffInfo(Src, true, A0);
DEBUG(dbgs() << " Dst = " << *Dst << '\n');
const SCEV *B0;
auto BOwner = collectCoeffInfo(Dst, false, B0);
auto B = BOwner.get();
auto BoundOwner = make_unique<BoundInfo[]>(MaxLevels + 1);
auto Bound = BoundOwner.get();
CoefficientInfo *B = collectCoeffInfo(Dst, false, B0);
BoundInfo *Bound = new BoundInfo[MaxLevels + 1];
const SCEV *Delta = SE->getMinusSCEV(B0, A0);
DEBUG(dbgs() << "\tDelta = " << *Delta << '\n');
@ -2501,6 +2498,9 @@ bool DependenceAnalysis::banerjeeMIVtest(const SCEV *Src,
++BanerjeeIndependence;
Disproved = true;
}
delete [] Bound;
delete [] A;
delete [] B;
return Disproved;
}
@ -2818,12 +2818,12 @@ const SCEV *DependenceAnalysis::getNegativePart(const SCEV *X) const {
// Walks through the subscript,
// collecting each coefficient, the associated loop bounds,
// and recording its positive and negative parts for later use.
std::unique_ptr<DependenceAnalysis::CoefficientInfo[]>
DependenceAnalysis::CoefficientInfo *
DependenceAnalysis::collectCoeffInfo(const SCEV *Subscript,
bool SrcFlag,
const SCEV *&Constant) const {
const SCEV *Zero = SE->getConstant(Subscript->getType(), 0);
auto CI = make_unique<CoefficientInfo[]>(MaxLevels + 1);
CoefficientInfo *CI = new CoefficientInfo[MaxLevels + 1];
for (unsigned K = 1; K <= MaxLevels; ++K) {
CI[K].Coeff = Zero;
CI[K].PosPart = Zero;