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5bc5d5ec44
This changes --print-before/after to be a list of strings rather than legacy passes. (this also has the effect of not showing the entire list of passes in --help-hidden after --print-before/after, which IMO is great for making it less verbose). Currently PrintIRInstrumentation passes the class name rather than pass name to llvm::shouldPrintBeforePass(), meaning llvm::shouldPrintBeforePass() never functions as intended in the NPM. There is no easy way of converting class names to pass names outside of within an instance of PassBuilder. This adds a map of pass class names to their short names in PassRegistry.def within PassInstrumentationCallbacks. It is populated inside the constructor of PassBuilder, which takes a PassInstrumentationCallbacks. Add a pointer to PassInstrumentationCallbacks inside PrintIRInstrumentation and use the newly created map. This is a bit hacky, but I can't think of a better way since the short id to class name only exists within PassRegistry.def. This also doesn't handle passes not in PassRegistry.def but rather added via PassBuilder::registerPipelineParsingCallback(). llvm/test/CodeGen/Generic/print-after.ll doesn't seem very useful now with this change. Reviewed By: ychen, jamieschmeiser Differential Revision: https://reviews.llvm.org/D87216
72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
//===-- MachineFunctionPrinterPass.cpp ------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// MachineFunctionPrinterPass implementation.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineFunctionPass.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/CodeGen/SlotIndexes.h"
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#include "llvm/IR/PrintPasses.h"
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#include "llvm/InitializePasses.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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namespace {
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/// MachineFunctionPrinterPass - This is a pass to dump the IR of a
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/// MachineFunction.
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///
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struct MachineFunctionPrinterPass : public MachineFunctionPass {
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static char ID;
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raw_ostream &OS;
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const std::string Banner;
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MachineFunctionPrinterPass() : MachineFunctionPass(ID), OS(dbgs()) { }
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MachineFunctionPrinterPass(raw_ostream &os, const std::string &banner)
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: MachineFunctionPass(ID), OS(os), Banner(banner) {}
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StringRef getPassName() const override { return "MachineFunction Printer"; }
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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AU.setPreservesAll();
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AU.addUsedIfAvailable<SlotIndexes>();
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MachineFunctionPass::getAnalysisUsage(AU);
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}
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bool runOnMachineFunction(MachineFunction &MF) override {
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if (!isFunctionInPrintList(MF.getName()))
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return false;
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OS << "# " << Banner << ":\n";
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MF.print(OS, getAnalysisIfAvailable<SlotIndexes>());
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return false;
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}
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};
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char MachineFunctionPrinterPass::ID = 0;
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}
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char &llvm::MachineFunctionPrinterPassID = MachineFunctionPrinterPass::ID;
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INITIALIZE_PASS(MachineFunctionPrinterPass, "machineinstr-printer",
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"Machine Function Printer", false, false)
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namespace llvm {
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/// Returns a newly-created MachineFunction Printer pass. The
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/// default banner is empty.
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///
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MachineFunctionPass *createMachineFunctionPrinterPass(raw_ostream &OS,
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const std::string &Banner){
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return new MachineFunctionPrinterPass(OS, Banner);
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}
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}
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