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//===- Translation.cpp - Translation registry -----------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Definitions of the translation registry.
//
//===----------------------------------------------------------------------===//
#include "mlir/Tools/mlir-translate/Translation.h"
#include "mlir/IR/AsmState.h"
#include "mlir/IR/Verifier.h"
#include "mlir/Parser/Parser.h"
#include "mlir/Tools/ParseUtilities.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/SourceMgr.h"
#include <optional>
using namespace mlir;
//===----------------------------------------------------------------------===//
// Translation CommandLine Options
//===----------------------------------------------------------------------===//
struct TranslationOptions {
llvm::cl::opt<bool> noImplicitModule{
"no-implicit-module",
llvm::cl::desc("Disable the parsing of an implicit top-level module op"),
llvm::cl::init(false)};
};
static llvm::ManagedStatic<TranslationOptions> clOptions;
void mlir::registerTranslationCLOptions() { *clOptions; }
//===----------------------------------------------------------------------===//
// Translation Registry
//===----------------------------------------------------------------------===//
/// Get the mutable static map between registered file-to-file MLIR
/// translations.
static llvm::StringMap<Translation> &getTranslationRegistry() {
static llvm::StringMap<Translation> translationBundle;
return translationBundle;
}
/// Register the given translation.
static void registerTranslation(StringRef name, StringRef description,
std::optional<llvm::Align> inputAlignment,
const TranslateFunction &function) {
auto ®istry = getTranslationRegistry();
if (registry.count(name))
llvm::report_fatal_error(
"Attempting to overwrite an existing <file-to-file> function");
assert(function &&
"Attempting to register an empty translate <file-to-file> function");
registry[name] = Translation(function, description, inputAlignment);
}
TranslateRegistration::TranslateRegistration(
StringRef name, StringRef description, const TranslateFunction &function) {
registerTranslation(name, description, /*inputAlignment=*/std::nullopt,
function);
}
//===----------------------------------------------------------------------===//
// Translation to MLIR
//===----------------------------------------------------------------------===//
// Puts `function` into the to-MLIR translation registry unless there is already
// a function registered for the same name.
static void registerTranslateToMLIRFunction(
StringRef name, StringRef description,
const DialectRegistrationFunction &dialectRegistration,
std::optional<llvm::Align> inputAlignment,
const TranslateSourceMgrToMLIRFunction &function) {
auto wrappedFn = [function, dialectRegistration](
const std::shared_ptr<llvm::SourceMgr> &sourceMgr,
raw_ostream &output, MLIRContext *context) {
DialectRegistry registry;
dialectRegistration(registry);
context->appendDialectRegistry(registry);
OwningOpRef<Operation *> op = function(sourceMgr, context);
if (!op || failed(verify(*op)))
return failure();
op.get()->print(output);
return success();
};
registerTranslation(name, description, inputAlignment, wrappedFn);
}
TranslateToMLIRRegistration::TranslateToMLIRRegistration(
StringRef name, StringRef description,
const TranslateSourceMgrToMLIRFunction &function,
const DialectRegistrationFunction &dialectRegistration,
std::optional<llvm::Align> inputAlignment) {
registerTranslateToMLIRFunction(name, description, dialectRegistration,
inputAlignment, function);
}
TranslateToMLIRRegistration::TranslateToMLIRRegistration(
StringRef name, StringRef description,
const TranslateRawSourceMgrToMLIRFunction &function,
const DialectRegistrationFunction &dialectRegistration,
std::optional<llvm::Align> inputAlignment) {
registerTranslateToMLIRFunction(
name, description, dialectRegistration, inputAlignment,
[function](const std::shared_ptr<llvm::SourceMgr> &sourceMgr,
MLIRContext *ctx) { return function(*sourceMgr, ctx); });
}
/// Wraps `function` with a lambda that extracts a StringRef from a source
/// manager and registers the wrapper lambda as a to-MLIR conversion.
TranslateToMLIRRegistration::TranslateToMLIRRegistration(
StringRef name, StringRef description,
const TranslateStringRefToMLIRFunction &function,
const DialectRegistrationFunction &dialectRegistration,
std::optional<llvm::Align> inputAlignment) {
registerTranslateToMLIRFunction(
name, description, dialectRegistration, inputAlignment,
[function](const std::shared_ptr<llvm::SourceMgr> &sourceMgr,
MLIRContext *ctx) {
const llvm::MemoryBuffer *buffer =
sourceMgr->getMemoryBuffer(sourceMgr->getMainFileID());
return function(buffer->getBuffer(), ctx);
});
}
//===----------------------------------------------------------------------===//
// Translation from MLIR
//===----------------------------------------------------------------------===//
TranslateFromMLIRRegistration::TranslateFromMLIRRegistration(
StringRef name, StringRef description,
const TranslateFromMLIRFunction &function,
const DialectRegistrationFunction &dialectRegistration) {
registerTranslation(
name, description, /*inputAlignment=*/std::nullopt,
[function,
dialectRegistration](const std::shared_ptr<llvm::SourceMgr> &sourceMgr,
raw_ostream &output, MLIRContext *context) {
DialectRegistry registry;
dialectRegistration(registry);
context->appendDialectRegistry(registry);
bool implicitModule =
(!clOptions.isConstructed() || !clOptions->noImplicitModule);
OwningOpRef<Operation *> op =
parseSourceFileForTool(sourceMgr, context, implicitModule);
if (!op || failed(verify(*op)))
return failure();
return function(op.get(), output);
});
}
//===----------------------------------------------------------------------===//
// Translation Parser
//===----------------------------------------------------------------------===//
TranslationParser::TranslationParser(llvm::cl::Option &opt)
: llvm::cl::parser<const Translation *>(opt) {
for (const auto &kv : getTranslationRegistry())
addLiteralOption(kv.first(), &kv.second, kv.second.getDescription());
}
void TranslationParser::printOptionInfo(const llvm::cl::Option &o,
size_t globalWidth) const {
TranslationParser *tp = const_cast<TranslationParser *>(this);
llvm::array_pod_sort(tp->Values.begin(), tp->Values.end(),
[](const TranslationParser::OptionInfo *lhs,
const TranslationParser::OptionInfo *rhs) {
return lhs->Name.compare(rhs->Name);
});
llvm::cl::parser<const Translation *>::printOptionInfo(o, globalWidth);
}
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