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[mlir][Interfaces] ValueBoundsConstraintSet: Add dump helper function #86634

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Merged
merged 1 commit into from
Mar 27, 2024
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[mlir][Interfaces] ValueBoundsConstraintSet: Add dump helper function #86634

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4 changes: 4 additions & 0 deletions mlir/include/mlir/Interfaces/ValueBoundsOpInterface.h
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Original file line number Diff line number Diff line change
Expand Up @@ -259,6 +259,10 @@ class ValueBoundsConstraintSet
/// Return an expression that represents a constant.
AffineExpr getExpr(int64_t constant);

/// Debugging only: Dump the constraint set and the column-to-value/dim
/// mapping to llvm::errs.
void dump() const;

protected:
/// Dimension identifier to indicate a value is index-typed. This is used for
/// internal data structures/API only.
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29 changes: 29 additions & 0 deletions mlir/lib/Interfaces/ValueBoundsOpInterface.cpp
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Expand Up @@ -715,6 +715,35 @@ ValueBoundsConstraintSet::areEquivalentSlices(MLIRContext *ctx,
return true;
}

void ValueBoundsConstraintSet::dump() const {
llvm::errs() << "==========\nColumns:\n";
llvm::errs() << "(column\tdim\tvalue)\n";
for (auto [index, valueDim] : llvm::enumerate(positionToValueDim)) {
llvm::errs() << " " << index << "\t";
if (valueDim) {
if (valueDim->second == kIndexValue) {
llvm::errs() << "n/a\t";
} else {
llvm::errs() << valueDim->second << "\t";
}
llvm::errs() << getOwnerOfValue(valueDim->first)->getName() << " ";
if (OpResult result = dyn_cast<OpResult>(valueDim->first)) {
llvm::errs() << "(result " << result.getResultNumber() << ")";
} else {
llvm::errs() << "(bbarg "
<< cast<BlockArgument>(valueDim->first).getArgNumber()
<< ")";
}
llvm::errs() << "\n";
} else {
llvm::errs() << "n/a\tn/a\n";
}
}
llvm::errs() << "\nConstraint set:\n";
cstr.dump();
llvm::errs() << "==========\n";
}

ValueBoundsConstraintSet::BoundBuilder &
ValueBoundsConstraintSet::BoundBuilder::operator[](int64_t dim) {
assert(!this->dim.has_value() && "dim was already set");
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