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68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
//===--- CFGPrinter.cpp - CFG printer 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 - 2017 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 https://swift.org/LICENSE.txt for license information
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// See https://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 file defines external functions that can be called to explicitly
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// instantiate the CFG printer.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/SILOptimizer/PassManager/Passes.h"
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#include "swift/SILOptimizer/PassManager/Transforms.h"
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#include "swift/SIL/CFG.h"
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#include "swift/SIL/SILBasicBlock.h"
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#include "swift/SIL/SILInstruction.h"
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#include "swift/SIL/SILFunction.h"
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#include "llvm/Support/CommandLine.h"
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using namespace swift;
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//===----------------------------------------------------------------------===//
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// Options
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//===----------------------------------------------------------------------===//
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llvm::cl::opt<std::string> SILViewCFGOnlyFun(
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"sil-view-cfg-only-function", llvm::cl::init(""),
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llvm::cl::desc("Only produce a graphviz file for this function"));
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llvm::cl::opt<std::string> SILViewCFGOnlyFuns(
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"sil-view-cfg-only-functions", llvm::cl::init(""),
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llvm::cl::desc("Only produce a graphviz file for the sil for the functions "
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"whose name contains this substring"));
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//===----------------------------------------------------------------------===//
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// Top Level Driver
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//===----------------------------------------------------------------------===//
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namespace {
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class SILCFGPrinter : public SILFunctionTransform {
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/// The entry point to the transformation.
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void run() override {
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SILFunction *F = getFunction();
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// If we are not supposed to dump view this cfg, return.
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if (!SILViewCFGOnlyFun.empty() && F && F->getName() != SILViewCFGOnlyFun)
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return;
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if (!SILViewCFGOnlyFuns.empty() && F &&
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!F->getName().contains(SILViewCFGOnlyFuns))
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return;
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F->viewCFG();
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}
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};
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} // end anonymous namespace
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SILTransform *swift::createCFGPrinter() {
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return new SILCFGPrinter();
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}
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