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//===- ViewLikeInterface.cpp - View-like operations in MLIR ---------------===//
//
// 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/Interfaces/ViewLikeInterface.h"
using namespace mlir;
//===----------------------------------------------------------------------===//
// ViewLike Interfaces
//===----------------------------------------------------------------------===//
/// Include the definitions of the loop-like interfaces.
#include "mlir/Interfaces/ViewLikeInterface.cpp.inc"
LogicalResult mlir::verifyListOfOperandsOrIntegers(Operation *op,
StringRef name,
unsigned numElements,
ArrayRef<int64_t> staticVals,
ValueRange values) {
// Check static and dynamic offsets/sizes/strides does not overflow type.
if (staticVals.size() != numElements)
return op->emitError("expected ") << numElements << " " << name
<< " values, got " << staticVals.size();
unsigned expectedNumDynamicEntries =
llvm::count_if(staticVals, [&](int64_t staticVal) {
return ShapedType::isDynamic(staticVal);
});
if (values.size() != expectedNumDynamicEntries)
return op->emitError("expected ")
<< expectedNumDynamicEntries << " dynamic " << name << " values";
return success();
}
LogicalResult
mlir::detail::verifyOffsetSizeAndStrideOp(OffsetSizeAndStrideOpInterface op) {
std::array<unsigned, 3> maxRanks = op.getArrayAttrMaxRanks();
// Offsets can come in 2 flavors:
// 1. Either single entry (when maxRanks == 1).
// 2. Or as an array whose rank must match that of the mixed sizes.
// So that the result type is well-formed.
if (!(op.getMixedOffsets().size() == 1 && maxRanks[0] == 1) && // NOLINT
op.getMixedOffsets().size() != op.getMixedSizes().size())
return op->emitError(
"expected mixed offsets rank to match mixed sizes rank (")
<< op.getMixedOffsets().size() << " vs " << op.getMixedSizes().size()
<< ") so the rank of the result type is well-formed.";
// Ranks of mixed sizes and strides must always match so the result type is
// well-formed.
if (op.getMixedSizes().size() != op.getMixedStrides().size())
return op->emitError(
"expected mixed sizes rank to match mixed strides rank (")
<< op.getMixedSizes().size() << " vs " << op.getMixedStrides().size()
<< ") so the rank of the result type is well-formed.";
if (failed(verifyListOfOperandsOrIntegers(op, "offset", maxRanks[0],
op.static_offsets(), op.offsets())))
return failure();
if (failed(verifyListOfOperandsOrIntegers(op, "size", maxRanks[1],
op.static_sizes(), op.sizes())))
return failure();
if (failed(verifyListOfOperandsOrIntegers(op, "stride", maxRanks[2],
op.static_strides(), op.strides())))
return failure();
return success();
}
static char getLeftDelimiter(AsmParser::Delimiter delimiter) {
switch (delimiter) {
case AsmParser::Delimiter::Paren:
return '(';
case AsmParser::Delimiter::LessGreater:
return '<';
case AsmParser::Delimiter::Square:
return '[';
case AsmParser::Delimiter::Braces:
return '{';
default:
llvm_unreachable("unsupported delimiter");
}
}
static char getRightDelimiter(AsmParser::Delimiter delimiter) {
switch (delimiter) {
case AsmParser::Delimiter::Paren:
return ')';
case AsmParser::Delimiter::LessGreater:
return '>';
case AsmParser::Delimiter::Square:
return ']';
case AsmParser::Delimiter::Braces:
return '}';
default:
llvm_unreachable("unsupported delimiter");
}
}
void mlir::printDynamicIndexList(OpAsmPrinter &printer, Operation *op,
OperandRange values,
ArrayRef<int64_t> integers,
TypeRange valueTypes,
AsmParser::Delimiter delimiter) {
char leftDelimiter = getLeftDelimiter(delimiter);
char rightDelimiter = getRightDelimiter(delimiter);
printer << leftDelimiter;
if (integers.empty()) {
printer << rightDelimiter;
return;
}
unsigned idx = 0;
llvm::interleaveComma(integers, printer, [&](int64_t integer) {
if (ShapedType::isDynamic(integer)) {
printer << values[idx];
if (!valueTypes.empty())
printer << " : " << valueTypes[idx];
++idx;
} else {
printer << integer;
}
});
printer << rightDelimiter;
}
ParseResult mlir::parseDynamicIndexList(
OpAsmParser &parser,
SmallVectorImpl<OpAsmParser::UnresolvedOperand> &values,
DenseI64ArrayAttr &integers, SmallVectorImpl<Type> *valueTypes,
AsmParser::Delimiter delimiter) {
SmallVector<int64_t, 4> integerVals;
auto parseIntegerOrValue = [&]() {
OpAsmParser::UnresolvedOperand operand;
auto res = parser.parseOptionalOperand(operand);
if (res.has_value() && succeeded(res.value())) {
values.push_back(operand);
integerVals.push_back(ShapedType::kDynamic);
if (valueTypes && parser.parseColonType(valueTypes->emplace_back()))
return failure();
} else {
int64_t integer;
if (failed(parser.parseInteger(integer)))
return failure();
integerVals.push_back(integer);
}
return success();
};
if (parser.parseCommaSeparatedList(delimiter, parseIntegerOrValue,
" in dynamic index list"))
return parser.emitError(parser.getNameLoc())
<< "expected SSA value or integer";
integers = parser.getBuilder().getDenseI64ArrayAttr(integerVals);
return success();
}
bool mlir::detail::sameOffsetsSizesAndStrides(
OffsetSizeAndStrideOpInterface a, OffsetSizeAndStrideOpInterface b,
llvm::function_ref<bool(OpFoldResult, OpFoldResult)> cmp) {
if (a.static_offsets().size() != b.static_offsets().size())
return false;
if (a.static_sizes().size() != b.static_sizes().size())
return false;
if (a.static_strides().size() != b.static_strides().size())
return false;
for (auto it : llvm::zip(a.getMixedOffsets(), b.getMixedOffsets()))
if (!cmp(std::get<0>(it), std::get<1>(it)))
return false;
for (auto it : llvm::zip(a.getMixedSizes(), b.getMixedSizes()))
if (!cmp(std::get<0>(it), std::get<1>(it)))
return false;
for (auto it : llvm::zip(a.getMixedStrides(), b.getMixedStrides()))
if (!cmp(std::get<0>(it), std::get<1>(it)))
return false;
return true;
}
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