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fix warning

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DependenceAnalysis.cpp:1164:32: warning: implicit truncation from 'int' to bitfield changes value from -5 to 3
      [-Wconstant-conversion]
    Result.DV[Level].Direction &= ~Dependence::DVEntry::GT;
                               ^  ~~~~~~~~~~~~~~~~~~~~~~~~

Patch from Preston Briggs <preston.briggs@gmail.com>.

llvm-svn: 165784
This commit is contained in:
Sebastian Pop 2012-10-12 02:04:32 +00:00
parent 99d975c61d
commit 0ff8d853fb
1 changed files with 6 additions and 6 deletions
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12
lib/Analysis/DependenceAnalysis.cpp
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@ -1160,8 +1160,8 @@ bool DependenceAnalysis::weakCrossingSIVtest(const SCEV *Coeff,
DEBUG(dbgs() << "\t Delta = " << *Delta << "\n");
NewConstraint.setLine(Coeff, Coeff, Delta, CurLoop);
if (Delta->isZero()) {
Result.DV[Level].Direction &= ~Dependence::DVEntry::LT;
Result.DV[Level].Direction &= ~Dependence::DVEntry::GT;
Result.DV[Level].Direction &= unsigned(~Dependence::DVEntry::LT);
Result.DV[Level].Direction &= unsigned(~Dependence::DVEntry::GT);
++WeakCrossingSIVsuccesses;
if (!Result.DV[Level].Direction) {
++WeakCrossingSIVindependence;
@ -1222,8 +1222,8 @@ bool DependenceAnalysis::weakCrossingSIVtest(const SCEV *Coeff,
}
if (isKnownPredicate(CmpInst::ICMP_EQ, Delta, ML)) {
// i = i' = UB
Result.DV[Level].Direction &= ~Dependence::DVEntry::LT;
Result.DV[Level].Direction &= ~Dependence::DVEntry::GT;
Result.DV[Level].Direction &= unsigned(~Dependence::DVEntry::LT);
Result.DV[Level].Direction &= unsigned(~Dependence::DVEntry::GT);
++WeakCrossingSIVsuccesses;
if (!Result.DV[Level].Direction) {
++WeakCrossingSIVindependence;
@ -1256,7 +1256,7 @@ bool DependenceAnalysis::weakCrossingSIVtest(const SCEV *Coeff,
DEBUG(dbgs() << "\t Remainder = " << Remainder << "\n");
if (Remainder != 0) {
// Equal direction isn't possible
Result.DV[Level].Direction &= ~Dependence::DVEntry::EQ;
Result.DV[Level].Direction &= unsigned(~Dependence::DVEntry::EQ);
++WeakCrossingSIVsuccesses;
}
return false;
@ -2380,7 +2380,7 @@ bool DependenceAnalysis::gcdMIVtest(const SCEV *Src,
DEBUG(dbgs() << "\tRemainder = " << Remainder << "\n");
if (Remainder != 0) {
unsigned Level = mapSrcLoop(CurLoop);
Result.DV[Level - 1].Direction &= ~Dependence::DVEntry::EQ;
Result.DV[Level - 1].Direction &= unsigned(~Dependence::DVEntry::EQ);
Improved = true;
}
}