Files
swift-mirror/lib/IRGen/IRGenRequests.cpp
Hamish Knight c65246f74f Merge the IRGen requests
Similar to SILGen, merge `IRGenSourceFileRequest`
and `IRGenWholeModuleRequest` into a single
`IRGenRequest`.
2020-07-01 09:43:51 -07:00

102 lines
3.3 KiB
C++

//===--- IRGenRequests.cpp - Requests for LLVM IR Generation --------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "swift/AST/IRGenRequests.h"
#include "swift/AST/ASTContext.h"
#include "swift/AST/FileUnit.h"
#include "swift/AST/Module.h"
#include "swift/AST/SourceFile.h"
#include "swift/SIL/SILModule.h"
#include "swift/Subsystems.h"
#include "llvm/IR/Module.h"
#include "llvm/ExecutionEngine/Orc/ThreadSafeModule.h"
using namespace swift;
namespace swift {
// Implement the IRGen type zone (zone 20).
#define SWIFT_TYPEID_ZONE IRGen
#define SWIFT_TYPEID_HEADER "swift/AST/IRGenTypeIDZone.def"
#include "swift/Basic/ImplementTypeIDZone.h"
#undef SWIFT_TYPEID_ZONE
#undef SWIFT_TYPEID_HEADER
} // end namespace swift
llvm::orc::ThreadSafeModule GeneratedModule::intoThreadSafeContext() && {
return {std::move(Module), std::move(Context)};
}
void swift::simple_display(llvm::raw_ostream &out,
const IRGenDescriptor &desc) {
auto *MD = desc.Ctx.dyn_cast<ModuleDecl *>();
auto *SF = desc.Ctx.dyn_cast<SourceFile *>();
if (MD) {
out << "IR Generation for module " << MD->getName();
} else {
assert(SF);
out << "IR Generation for file ";
out << '\"' << SF->getFilename() << '\"';
}
}
SourceLoc swift::extractNearestSourceLoc(const IRGenDescriptor &desc) {
return SourceLoc();
}
TinyPtrVector<FileUnit *> IRGenDescriptor::getFiles() const {
// For a whole module, we emit IR for all files.
if (auto *mod = Ctx.dyn_cast<ModuleDecl *>())
return TinyPtrVector<FileUnit *>(mod->getFiles());
// For a primary source file, we emit IR for both it and potentially its
// SynthesizedFileUnit.
auto *SF = Ctx.get<SourceFile *>();
TinyPtrVector<FileUnit *> files;
files.push_back(SF);
if (auto *synthesizedFile = SF->getSynthesizedFile())
files.push_back(synthesizedFile);
return files;
}
ModuleDecl *IRGenDescriptor::getParentModule() const {
if (auto *SF = Ctx.dyn_cast<SourceFile *>())
return SF->getParentModule();
return Ctx.get<ModuleDecl *>();
}
evaluator::DependencySource IRGenRequest::readDependencySource(
const evaluator::DependencyRecorder &e) const {
auto &desc = std::get<0>(getStorage());
// We don't track dependencies in whole-module mode.
if (auto *mod = desc.Ctx.dyn_cast<ModuleDecl *>()) {
return {nullptr, e.getActiveSourceScope()};
}
auto *SF = desc.Ctx.get<SourceFile *>();
return {SF, evaluator::DependencyScope::Cascading};
}
// Define request evaluation functions for each of the IRGen requests.
static AbstractRequestFunction *irGenRequestFunctions[] = {
#define SWIFT_REQUEST(Zone, Name, Sig, Caching, LocOptions) \
reinterpret_cast<AbstractRequestFunction *>(&Name::evaluateRequest),
#include "swift/AST/IRGenTypeIDZone.def"
#undef SWIFT_REQUEST
};
void swift::registerIRGenRequestFunctions(Evaluator &evaluator) {
evaluator.registerRequestFunctions(Zone::IRGen, irGenRequestFunctions);
}