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//===- BuiltinDialectBytecode.cpp - Builtin Bytecode Implementation -------===//
//
// 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 "BuiltinDialectBytecode.h"
#include "AttributeDetail.h"
#include "mlir/Bytecode/BytecodeImplementation.h"
#include "mlir/IR/BuiltinAttributes.h"
#include "mlir/IR/BuiltinDialect.h"
#include "mlir/IR/BuiltinTypes.h"
#include "mlir/IR/Diagnostics.h"
#include "mlir/IR/DialectResourceBlobManager.h"
#include "mlir/IR/Location.h"
#include "mlir/Support/LLVM.h"
#include "llvm/ADT/TypeSwitch.h"
#include <cstdint>
using namespace mlir;
//===----------------------------------------------------------------------===//
// BuiltinDialectBytecodeInterface
//===----------------------------------------------------------------------===//
namespace {
//===----------------------------------------------------------------------===//
// Utility functions
//===----------------------------------------------------------------------===//
// TODO: Move these to separate file.
// Returns the bitwidth if known, else return 0.
static unsigned getIntegerBitWidth(DialectBytecodeReader &reader, Type type) {
if (auto intType = dyn_cast<IntegerType>(type)) {
return intType.getWidth();
}
if (llvm::isa<IndexType>(type)) {
return IndexType::kInternalStorageBitWidth;
}
reader.emitError()
<< "expected integer or index type for IntegerAttr, but got: " << type;
return 0;
}
static LogicalResult readAPIntWithKnownWidth(DialectBytecodeReader &reader,
Type type, FailureOr<APInt> &val) {
unsigned bitWidth = getIntegerBitWidth(reader, type);
val = reader.readAPIntWithKnownWidth(bitWidth);
return val;
}
static LogicalResult
readAPFloatWithKnownSemantics(DialectBytecodeReader &reader, Type type,
FailureOr<APFloat> &val) {
auto ftype = dyn_cast<FloatType>(type);
if (!ftype)
return failure();
val = reader.readAPFloatWithKnownSemantics(ftype.getFloatSemantics());
return success();
}
LogicalResult
readPotentiallySplatString(DialectBytecodeReader &reader, ShapedType type,
bool isSplat,
SmallVectorImpl<StringRef> &rawStringData) {
rawStringData.resize(isSplat ? 1 : type.getNumElements());
for (StringRef &value : rawStringData)
if (failed(reader.readString(value)))
return failure();
return success();
}
static void writePotentiallySplatString(DialectBytecodeWriter &writer,
DenseStringElementsAttr attr) {
bool isSplat = attr.isSplat();
if (isSplat)
return writer.writeOwnedString(attr.getRawStringData().front());
for (StringRef str : attr.getRawStringData())
writer.writeOwnedString(str);
}
static FileLineColRange getFileLineColRange(MLIRContext *context,
StringAttr filename,
ArrayRef<uint64_t> lineCols) {
switch (lineCols.size()) {
case 0:
return FileLineColRange::get(filename);
case 1:
return FileLineColRange::get(filename, lineCols[0]);
case 2:
return FileLineColRange::get(filename, lineCols[0], lineCols[1]);
case 3:
return FileLineColRange::get(filename, lineCols[0], lineCols[1],
lineCols[2]);
case 4:
return FileLineColRange::get(filename, lineCols[0], lineCols[1],
lineCols[2], lineCols[3]);
default:
return {};
}
}
static LogicalResult
readFileLineColRangeLocs(DialectBytecodeReader &reader,
SmallVectorImpl<uint64_t> &lineCols) {
return reader.readList(
lineCols, [&reader](uint64_t &val) { return reader.readVarInt(val); });
}
static void writeFileLineColRangeLocs(DialectBytecodeWriter &writer,
FileLineColRange range) {
if (range.getStartLine() == 0 && range.getStartColumn() == 0 &&
range.getEndLine() == 0 && range.getEndColumn() == 0) {
writer.writeVarInt(0);
return;
}
if (range.getStartColumn() == 0 &&
range.getStartLine() == range.getEndLine()) {
writer.writeVarInt(1);
writer.writeVarInt(range.getStartLine());
return;
}
// The single file:line:col is handled by other writer, but checked here for
// completeness.
if (range.getEndColumn() == range.getStartColumn() &&
range.getStartLine() == range.getEndLine()) {
writer.writeVarInt(2);
writer.writeVarInt(range.getStartLine());
writer.writeVarInt(range.getStartColumn());
return;
}
if (range.getStartLine() == range.getEndLine()) {
writer.writeVarInt(3);
writer.writeVarInt(range.getStartLine());
writer.writeVarInt(range.getStartColumn());
writer.writeVarInt(range.getEndColumn());
return;
}
writer.writeVarInt(4);
writer.writeVarInt(range.getStartLine());
writer.writeVarInt(range.getStartColumn());
writer.writeVarInt(range.getEndLine());
writer.writeVarInt(range.getEndColumn());
}
#include "mlir/IR/BuiltinDialectBytecode.cpp.inc"
/// This class implements the bytecode interface for the builtin dialect.
struct BuiltinDialectBytecodeInterface : public BytecodeDialectInterface {
BuiltinDialectBytecodeInterface(Dialect *dialect)
: BytecodeDialectInterface(dialect) {}
//===--------------------------------------------------------------------===//
// Attributes
Attribute readAttribute(DialectBytecodeReader &reader) const override {
return ::readAttribute(getContext(), reader);
}
LogicalResult writeAttribute(Attribute attr,
DialectBytecodeWriter &writer) const override {
return ::writeAttribute(attr, writer);
}
//===--------------------------------------------------------------------===//
// Types
Type readType(DialectBytecodeReader &reader) const override {
return ::readType(getContext(), reader);
}
LogicalResult writeType(Type type,
DialectBytecodeWriter &writer) const override {
return ::writeType(type, writer);
}
};
} // namespace
void builtin_dialect_detail::addBytecodeInterface(BuiltinDialect *dialect) {
dialect->addInterfaces<BuiltinDialectBytecodeInterface>();
}
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