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//===- MatchInterfaces.cpp - Transform Dialect Interfaces -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "mlir/Dialect/Transform/Interfaces/MatchInterfaces.h"
#include "llvm/Support/InterleavedRange.h"
using namespace mlir;
//===----------------------------------------------------------------------===//
// Printing and parsing for match ops.
//===----------------------------------------------------------------------===//
/// Keyword syntax for positional specification inversion.
constexpr const static llvm::StringLiteral kDimExceptKeyword = "except";
/// Keyword syntax for full inclusion in positional specification.
constexpr const static llvm::StringLiteral kDimAllKeyword = "all";
ParseResult transform::parseTransformMatchDims(OpAsmParser &parser,
DenseI64ArrayAttr &rawDimList,
UnitAttr &isInverted,
UnitAttr &isAll) {
Builder &builder = parser.getBuilder();
if (parser.parseOptionalKeyword(kDimAllKeyword).succeeded()) {
rawDimList = builder.getDenseI64ArrayAttr({});
isInverted = nullptr;
isAll = builder.getUnitAttr();
return success();
}
isAll = nullptr;
isInverted = nullptr;
if (parser.parseOptionalKeyword(kDimExceptKeyword).succeeded()) {
isInverted = builder.getUnitAttr();
}
if (isInverted) {
if (parser.parseLParen().failed())
return failure();
}
SmallVector<int64_t> values;
ParseResult listResult = parser.parseCommaSeparatedList(
[&]() { return parser.parseInteger(values.emplace_back()); });
if (listResult.failed())
return failure();
rawDimList = builder.getDenseI64ArrayAttr(values);
if (isInverted) {
if (parser.parseRParen().failed())
return failure();
}
return success();
}
void transform::printTransformMatchDims(OpAsmPrinter &printer, Operation *op,
DenseI64ArrayAttr rawDimList,
UnitAttr isInverted, UnitAttr isAll) {
if (isAll) {
printer << kDimAllKeyword;
return;
}
if (isInverted) {
printer << kDimExceptKeyword << "(";
}
printer << llvm::interleaved(rawDimList.asArrayRef());
if (isInverted) {
printer << ")";
}
}
LogicalResult transform::verifyTransformMatchDimsOp(Operation *op,
ArrayRef<int64_t> raw,
bool inverted, bool all) {
if (all) {
if (inverted) {
return op->emitOpError()
<< "cannot request both 'all' and 'inverted' values in the list";
}
if (!raw.empty()) {
return op->emitOpError()
<< "cannot both request 'all' and specific values in the list";
}
}
if (!all && raw.empty()) {
return op->emitOpError() << "must request specific values in the list if "
"'all' is not specified";
}
SmallVector<int64_t> rawVector = llvm::to_vector(raw);
auto *it = llvm::unique(rawVector);
if (it != rawVector.end())
return op->emitOpError() << "expected the listed values to be unique";
return success();
}
DiagnosedSilenceableFailure transform::expandTargetSpecification(
Location loc, bool isAll, bool isInverted, ArrayRef<int64_t> rawList,
int64_t maxNumber, SmallVectorImpl<int64_t> &result) {
assert(maxNumber > 0 && "expected size to be positive");
assert(!(isAll && isInverted) && "cannot invert all");
if (isAll) {
result = llvm::to_vector(llvm::seq<int64_t>(0, maxNumber));
return DiagnosedSilenceableFailure::success();
}
SmallVector<int64_t> expanded;
llvm::SmallDenseSet<int64_t> visited;
expanded.reserve(rawList.size());
SmallVectorImpl<int64_t> &target = isInverted ? expanded : result;
for (int64_t raw : rawList) {
int64_t updated = raw < 0 ? maxNumber + raw : raw;
if (updated >= maxNumber) {
return emitSilenceableFailure(loc)
<< "position overflow " << updated << " (updated from " << raw
<< ") for maximum " << maxNumber;
}
if (updated < 0) {
return emitSilenceableFailure(loc) << "position underflow " << updated
<< " (updated from " << raw << ")";
}
if (!visited.insert(updated).second) {
return emitSilenceableFailure(loc) << "repeated position " << updated
<< " (updated from " << raw << ")";
}
target.push_back(updated);
}
if (!isInverted)
return DiagnosedSilenceableFailure::success();
result.reserve(result.size() + (maxNumber - expanded.size()));
for (int64_t candidate : llvm::seq<int64_t>(0, maxNumber)) {
if (llvm::is_contained(expanded, candidate))
continue;
result.push_back(candidate);
}
return DiagnosedSilenceableFailure::success();
}
//===----------------------------------------------------------------------===//
// Generated interface implementation.
//===----------------------------------------------------------------------===//
#include "mlir/Dialect/Transform/Interfaces/MatchInterfaces.cpp.inc"
|
