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fd353df19e
We really only need the analysis to tell whether a function has caller inside the module or not. We do not need to know the callsites. Remove them for now to make the analysis more memory efficient. Add a note to indicate it can be extended.
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
//===--- CallerAnalysisPrinter.cpp - Caller Analysis test pass -----------===//
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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 - 2016 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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//
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// This pass prints all the callsites of every function in the module.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/SILOptimizer/Analysis/CallerAnalysis.h"
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#include "swift/Basic/DemangleWrappers.h"
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#include "swift/SIL/SILFunction.h"
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#include "swift/SIL/SILModule.h"
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#include "swift/SILOptimizer/PassManager/Transforms.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace swift;
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#define DEBUG_TYPE "caller-analysis-printer"
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namespace {
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class CallerAnalysisPrinterPass : public SILModuleTransform {
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/// The entry point to the transformation.
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void run() override {
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auto *CA = getAnalysis<CallerAnalysis>();
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for (auto &F : *getModule()) {
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const char *hasCaller = CA->hasCaller(&F) ? "true" : "false";
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llvm::outs() << "Function " << F.getName() << " has caller: " << hasCaller << "\n";
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}
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}
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StringRef getName() override { return "Caller Analysis Printer"; }
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};
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} // end anonymous namespace
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SILTransform *swift::createCallerAnalysisPrinter() {
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return new CallerAnalysisPrinterPass();
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}
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