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//===- SPIRVParsingUtils.h - MLIR SPIR-V Dialect Parsing Utilities --------===//
//
// 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/SPIRV/IR/SPIRVAttributes.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/OpDefinition.h"
#include "mlir/IR/OpImplementation.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/FunctionExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include <type_traits>
namespace mlir::spirv {
namespace AttrNames {
inline constexpr char kClusterSize[] = "cluster_size"; // no ODS generation
inline constexpr char kControl[] = "control"; // no ODS generation
inline constexpr char kFnNameAttrName[] = "fn"; // no ODS generation
inline constexpr char kSpecIdAttrName[] = "spec_id"; // no ODS generation
} // namespace AttrNames
template <typename Ty>
ArrayAttr getStrArrayAttrForEnumList(Builder &builder, ArrayRef<Ty> enumValues,
function_ref<StringRef(Ty)> stringifyFn) {
if (enumValues.empty()) {
return nullptr;
}
SmallVector<StringRef, 1> enumValStrs;
enumValStrs.reserve(enumValues.size());
for (auto val : enumValues) {
enumValStrs.emplace_back(stringifyFn(val));
}
return builder.getStrArrayAttr(enumValStrs);
}
/// Parses the next keyword in `parser` as an enumerant of the given
/// `EnumClass`.
template <typename EnumClass, typename ParserType>
ParseResult
parseEnumKeywordAttr(EnumClass &value, ParserType &parser,
StringRef attrName = spirv::attributeName<EnumClass>()) {
StringRef keyword;
SmallVector<NamedAttribute, 1> attr;
auto loc = parser.getCurrentLocation();
if (parser.parseKeyword(&keyword))
return failure();
if (std::optional<EnumClass> attr =
spirv::symbolizeEnum<EnumClass>(keyword)) {
value = *attr;
return success();
}
return parser.emitError(loc, "invalid ")
<< attrName << " attribute specification: " << keyword;
}
/// Parses the next string attribute in `parser` as an enumerant of the given
/// `EnumClass`.
template <typename EnumClass>
ParseResult
parseEnumStrAttr(EnumClass &value, OpAsmParser &parser,
StringRef attrName = spirv::attributeName<EnumClass>()) {
static_assert(std::is_enum_v<EnumClass>);
Attribute attrVal;
NamedAttrList attr;
auto loc = parser.getCurrentLocation();
if (parser.parseAttribute(attrVal, parser.getBuilder().getNoneType(),
attrName, attr))
return failure();
if (!llvm::isa<StringAttr>(attrVal))
return parser.emitError(loc, "expected ")
<< attrName << " attribute specified as string";
auto attrOptional = spirv::symbolizeEnum<EnumClass>(
llvm::cast<StringAttr>(attrVal).getValue());
if (!attrOptional)
return parser.emitError(loc, "invalid ")
<< attrName << " attribute specification: " << attrVal;
value = *attrOptional;
return success();
}
/// Parses the next string attribute in `parser` as an enumerant of the given
/// `EnumClass` and inserts the enumerant into `state` as an 32-bit integer
/// attribute with the enum class's name as attribute name.
template <typename EnumAttrClass,
typename EnumClass = typename EnumAttrClass::ValueType>
ParseResult
parseEnumStrAttr(EnumClass &value, OpAsmParser &parser, OperationState &state,
StringRef attrName = spirv::attributeName<EnumClass>()) {
static_assert(std::is_enum_v<EnumClass>);
if (parseEnumStrAttr(value, parser, attrName))
return failure();
state.addAttribute(attrName,
parser.getBuilder().getAttr<EnumAttrClass>(value));
return success();
}
/// Parses the next keyword in `parser` as an enumerant of the given `EnumClass`
/// and inserts the enumerant into `state` as an 32-bit integer attribute with
/// the enum class's name as attribute name.
template <typename EnumAttrClass,
typename EnumClass = typename EnumAttrClass::ValueType>
ParseResult
parseEnumKeywordAttr(EnumClass &value, OpAsmParser &parser,
OperationState &state,
StringRef attrName = spirv::attributeName<EnumClass>()) {
static_assert(std::is_enum_v<EnumClass>);
if (parseEnumKeywordAttr(value, parser))
return failure();
state.addAttribute(attrName,
parser.getBuilder().getAttr<EnumAttrClass>(value));
return success();
}
ParseResult parseVariableDecorations(OpAsmParser &parser,
OperationState &state);
} // namespace mlir::spirv
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