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//===- SPIRVParsingUtilities.cpp - MLIR SPIR-V Dialect Parsing Utils-------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Implements common SPIR-V dialect parsing functions.
//
//===----------------------------------------------------------------------===//
#include "SPIRVParsingUtils.h"
#include "llvm/ADT/StringExtras.h"
using namespace mlir::spirv::AttrNames;
namespace mlir::spirv {
ParseResult parseMemoryAccessAttributes(OpAsmParser &parser,
OperationState &state,
StringRef attrName) {
// Parse an optional list of attributes staring with '['
if (parser.parseOptionalLSquare()) {
// Nothing to do
return success();
}
spirv::MemoryAccess memoryAccessAttr;
if (spirv::parseEnumStrAttr<spirv::MemoryAccessAttr>(memoryAccessAttr, parser,
state, attrName))
return failure();
if (spirv::bitEnumContainsAll(memoryAccessAttr,
spirv::MemoryAccess::Aligned)) {
// Parse integer attribute for alignment.
Attribute alignmentAttr;
Type i32Type = parser.getBuilder().getIntegerType(32);
if (parser.parseComma() ||
parser.parseAttribute(alignmentAttr, i32Type,
AttrNames::kAlignmentAttrName,
state.attributes)) {
return failure();
}
}
return parser.parseRSquare();
}
ParseResult parseVariableDecorations(OpAsmParser &parser,
OperationState &state) {
auto builtInName = llvm::convertToSnakeFromCamelCase(
stringifyDecoration(spirv::Decoration::BuiltIn));
if (succeeded(parser.parseOptionalKeyword("bind"))) {
Attribute set, binding;
// Parse optional descriptor binding
auto descriptorSetName = llvm::convertToSnakeFromCamelCase(
stringifyDecoration(spirv::Decoration::DescriptorSet));
auto bindingName = llvm::convertToSnakeFromCamelCase(
stringifyDecoration(spirv::Decoration::Binding));
Type i32Type = parser.getBuilder().getIntegerType(32);
if (parser.parseLParen() ||
parser.parseAttribute(set, i32Type, descriptorSetName,
state.attributes) ||
parser.parseComma() ||
parser.parseAttribute(binding, i32Type, bindingName,
state.attributes) ||
parser.parseRParen()) {
return failure();
}
} else if (succeeded(parser.parseOptionalKeyword(builtInName))) {
StringAttr builtIn;
if (parser.parseLParen() ||
parser.parseAttribute(builtIn, builtInName, state.attributes) ||
parser.parseRParen()) {
return failure();
}
}
// Parse other attributes
if (parser.parseOptionalAttrDict(state.attributes))
return failure();
return success();
}
} // namespace mlir::spirv
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