| //===- GraphPrinters.cpp - DOT printers for various graph types -----------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines several printers for various different types of graphs used |
| // by the LLVM infrastructure. It uses the generic graph interface to convert |
| // the graph into a .dot graph. These graphs can then be processed with the |
| // "dot" tool to convert them to postscript or some other suitable format. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/IR/Dominators.h" |
| #include "llvm/Pass.h" |
| |
| using namespace llvm; |
| |
| //===----------------------------------------------------------------------===// |
| // DomInfoPrinter Pass |
| //===----------------------------------------------------------------------===// |
| |
| namespace { |
| class DomInfoPrinter : public FunctionPass { |
| public: |
| static char ID; // Pass identification, replacement for typeid |
| DomInfoPrinter() : FunctionPass(ID) {} |
| |
| void getAnalysisUsage(AnalysisUsage &AU) const override { |
| AU.setPreservesAll(); |
| AU.addRequired<DominatorTreeWrapperPass>(); |
| } |
| |
| bool runOnFunction(Function &F) override { |
| getAnalysis<DominatorTreeWrapperPass>().print(dbgs()); |
| return false; |
| } |
| }; |
| } |
| |
| char DomInfoPrinter::ID = 0; |
| static RegisterPass<DomInfoPrinter> |
| DIP("print-dom-info", "Dominator Info Printer", true, true); |