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[DA] remove constraint propagation #160924

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Merged
sebpop merged 1 commit into from
Nov 20, 2025
Merged

[DA] remove constraint propagation #160924

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30 changes: 0 additions & 30 deletions llvm/include/llvm/Analysis/DependenceAnalysis.h
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Original file line number Diff line number Diff line change
Expand Up @@ -931,36 +931,6 @@ class DependenceInfo {
/// of the Constraints X and Y. Returns true if X has changed.
bool intersectConstraints(Constraint *X, const Constraint *Y);

/// propagate - Review the constraints, looking for opportunities
/// to simplify a subscript pair (Src and Dst).
/// Return true if some simplification occurs.
/// If the simplification isn't exact (that is, if it is conservative
/// in terms of dependence), set consistent to false.
bool propagate(const SCEV *&Src, const SCEV *&Dst, SmallBitVector &Loops,
SmallVectorImpl<Constraint> &Constraints, bool &Consistent);

/// propagateDistance - Attempt to propagate a distance
/// constraint into a subscript pair (Src and Dst).
/// Return true if some simplification occurs.
/// If the simplification isn't exact (that is, if it is conservative
/// in terms of dependence), set consistent to false.
bool propagateDistance(const SCEV *&Src, const SCEV *&Dst,
Constraint &CurConstraint, bool &Consistent);

/// propagatePoint - Attempt to propagate a point
/// constraint into a subscript pair (Src and Dst).
/// Return true if some simplification occurs.
bool propagatePoint(const SCEV *&Src, const SCEV *&Dst,
Constraint &CurConstraint);

/// propagateLine - Attempt to propagate a line
/// constraint into a subscript pair (Src and Dst).
/// Return true if some simplification occurs.
/// If the simplification isn't exact (that is, if it is conservative
/// in terms of dependence), set consistent to false.
bool propagateLine(const SCEV *&Src, const SCEV *&Dst,
Constraint &CurConstraint, bool &Consistent);

/// findCoefficient - Given a linear SCEV,
/// return the coefficient corresponding to specified loop.
/// If there isn't one, return the SCEV constant 0.
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