Files
Raptor/src/PIM/Conversion/ONNXToSpatial/Common/IndexingUtils.cpp
T
NiccoloN 8bb0babf1b
Validate Operations / validate-operations (push) Has been cancelled
finish helper refactoring
use uniqued constant helpers everywhere
materialize transposed constants directly
2026-05-29 17:05:45 +02:00

93 lines
3.4 KiB
C++

#include "IndexingUtils.hpp"
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "llvm/ADT/APInt.h"
#include <algorithm>
#include "src/Accelerators/PIM/Common/IR/ConstantUtils.hpp"
using namespace mlir;
namespace onnx_mlir {
int64_t normalizeAxis(int64_t axis, int64_t rank) { return axis >= 0 ? axis : rank + axis; }
FailureOr<int64_t> normalizeAxisChecked(int64_t axis, int64_t rank) {
int64_t normalizedAxis = normalizeAxis(axis, rank);
if (normalizedAxis < 0 || normalizedAxis >= rank)
return failure();
return normalizedAxis;
}
int64_t normalizeIndex(int64_t index, int64_t dimSize) { return index >= 0 ? index : dimSize + index; }
static SmallVector<int64_t> normalizeAxesImpl(std::optional<ArrayAttr> axesAttr, int64_t rank) {
SmallVector<int64_t> normalizedAxes;
if (!axesAttr) {
normalizedAxes.reserve(rank);
for (int64_t axis = 0; axis < rank; ++axis)
normalizedAxes.push_back(axis);
}
else {
normalizedAxes.reserve(axesAttr->size());
for (Attribute attr : *axesAttr)
normalizedAxes.push_back(normalizeAxis(cast<IntegerAttr>(attr).getInt(), rank));
llvm::sort(normalizedAxes);
normalizedAxes.erase(std::unique(normalizedAxes.begin(), normalizedAxes.end()), normalizedAxes.end());
}
return normalizedAxes;
}
FailureOr<SmallVector<int64_t>> normalizeAxesChecked(std::optional<ArrayAttr> axesAttr, int64_t rank) {
SmallVector<int64_t> normalizedAxes = normalizeAxesImpl(axesAttr, rank);
for (int64_t axis : normalizedAxes)
if (axis < 0 || axis >= rank)
return failure();
return normalizedAxes;
}
Value createAffineApplyOrFoldedConstant(PatternRewriter& rewriter, Location loc, AffineExpr expr, ValueRange operands) {
AffineMap map = AffineMap::get(/*dimCount=*/operands.size(), /*symbolCount=*/0, expr);
Operation* anchorOp = rewriter.getInsertionBlock()->getParentOp();
return createAffineApplyOrFoldedConstant(rewriter, loc, map, operands, anchorOp);
}
Value multiplyIndexByConstant(PatternRewriter& rewriter, Operation* anchorOp, Value value, int64_t multiplier) {
if (multiplier == 0)
return getOrCreateIndexConstant(rewriter, anchorOp, 0);
if (multiplier == 1)
return value;
MLIRContext* context = rewriter.getContext();
AffineExpr d0 = getAffineDimExpr(0, context);
return createAffineApplyOrFoldedConstant(rewriter, anchorOp->getLoc(), d0 * multiplier, ValueRange {value});
}
Value modIndexByConstant(PatternRewriter& rewriter, Location loc, Value value, int64_t divisor) {
if (divisor == 1)
return getOrCreateIndexConstant(rewriter, rewriter.getInsertionBlock()->getParentOp(), 0);
MLIRContext* context = rewriter.getContext();
AffineExpr d0 = getAffineDimExpr(0, context);
return createAffineApplyOrFoldedConstant(rewriter, loc, d0 % divisor, ValueRange {value});
}
Value floorDivIndexByConstant(PatternRewriter& rewriter, Location loc, Value value, int64_t divisor) {
if (divisor == 1)
return value;
MLIRContext* context = rewriter.getContext();
AffineExpr d0 = getAffineDimExpr(0, context);
return createAffineApplyOrFoldedConstant(rewriter, loc, d0.floorDiv(divisor), ValueRange {value});
}
Value getOrMaterializeIndexValue(PatternRewriter& rewriter, OpFoldResult value) {
if (auto attr = dyn_cast<Attribute>(value))
return getOrCreateIndexConstant(rewriter, rewriter.getInsertionBlock()->getParentOp(), cast<IntegerAttr>(attr).getInt());
return cast<Value>(value);
}
} // namespace onnx_mlir