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65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
//===-- Specializer.cpp ------ Performs Generic Specialization ------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#define DEBUG_TYPE "specialization"
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#include "swift/SILPasses/Utils/Generics.h"
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#include "swift/SILPasses/Passes.h"
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#include "swift/AST/ASTContext.h"
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#include "swift/SIL/SILDebugScope.h"
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#include "swift/SIL/SILFunction.h"
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#include "swift/SIL/SILInstruction.h"
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#include "swift/SIL/SILModule.h"
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#include "swift/SILAnalysis/CallGraphAnalysis.h"
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#include "swift/SILPasses/Utils/Local.h"
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#include "swift/SILPasses/Transforms.h"
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#include "llvm/ADT/MapVector.h"
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#include "llvm/ADT/StringSet.h"
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#include "llvm/ADT/SmallString.h"
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using namespace swift;
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namespace {
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class SILGenericSpecializerTransform : public SILModuleTransform {
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public:
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SILGenericSpecializerTransform() {}
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void run() override {
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CallGraphAnalysis* CGA = PM->getAnalysis<CallGraphAnalysis>();
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// Collect a call-graph bottom-up list of functions and specialize the
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// functions in reverse order.
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auto &CG = CGA->getCallGraph();
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auto GS = GenericSpecializer(getModule());
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// Try to specialize generic calls.
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bool Changed = GS.specialize(CG.getBottomUpFunctionOrder());
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if (Changed) {
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// Schedule another iteration of the transformation pipe.
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PM->scheduleAnotherIteration();
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// Invalidate the call graph.
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invalidateAnalysis(SILAnalysis::InvalidationKind::CallGraph);
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}
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}
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StringRef getName() override { return "Generic Specialization"; }
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};
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} // end anonymous namespace
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SILTransform *swift::createGenericSpecializer() {
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return new SILGenericSpecializerTransform();
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}
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