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[New PM][PassInstrumentation] IR printing support for New Pass Manager
Implementing -print-before-all/-print-after-all/-filter-print-func support through PassInstrumentation callbacks. - PrintIR routines implement printing callbacks. - StandardInstrumentations class provides a central place to manage all the "standard" in-tree pass instrumentations. Currently it registers PrintIR callbacks. Reviewers: chandlerc, paquette, philip.pfaffe Differential Revision: https://reviews.llvm.org/D50923 llvm-svn: 342896
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Fedor Sergeev
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Sep 24, 2018
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| //===- StandardInstrumentations.h ------------------------------*- C++ -*--===// | ||
| // | ||
| // The LLVM Compiler Infrastructure | ||
| // | ||
| // This file is distributed under the University of Illinois Open Source | ||
| // License. See LICENSE.TXT for details. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| /// \file | ||
| /// | ||
| /// This header defines a class that provides bookkeeping for all standard | ||
| /// (i.e in-tree) pass instrumentations. | ||
| /// | ||
| //===----------------------------------------------------------------------===// | ||
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| #ifndef LLVM_PASSES_STANDARDINSTRUMENTATIONS_H | ||
| #define LLVM_PASSES_STANDARDINSTRUMENTATIONS_H | ||
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| #include "llvm/IR/PassInstrumentation.h" | ||
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| namespace llvm { | ||
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| /// This class provides an interface to register all the standard pass | ||
| /// instrumentations and manages their state (if any). | ||
| class StandardInstrumentations { | ||
| // for now we do not have instrumentations with state | ||
| public: | ||
| StandardInstrumentations() = default; | ||
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| void registerCallbacks(PassInstrumentationCallbacks &PIC); | ||
| }; | ||
| } // namespace llvm | ||
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| //===- Standard pass instrumentations handling ----------------*- C++ -*--===// | ||
| // | ||
| // The LLVM Compiler Infrastructure | ||
| // | ||
| // This file is distributed under the University of Illinois Open Source | ||
| // License. See LICENSE.TXT for details. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| /// \file | ||
| /// | ||
| /// This file defines IR-printing pass instrumentation callbacks as well as | ||
| /// StandardInstrumentations class that manages standard pass instrumentations. | ||
| /// | ||
| //===----------------------------------------------------------------------===// | ||
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| #include "llvm/Passes/StandardInstrumentations.h" | ||
| #include "llvm/Analysis/CallGraphSCCPass.h" | ||
| #include "llvm/Analysis/LazyCallGraph.h" | ||
| #include "llvm/Analysis/LoopInfo.h" | ||
| #include "llvm/IR/Function.h" | ||
| #include "llvm/IR/IRPrintingPasses.h" | ||
| #include "llvm/IR/Module.h" | ||
| #include "llvm/IR/PassInstrumentation.h" | ||
| #include "llvm/Support/Debug.h" | ||
| #include "llvm/Support/FormatVariadic.h" | ||
| #include "llvm/Support/raw_ostream.h" | ||
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| using namespace llvm; | ||
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| namespace { | ||
| namespace PrintIR { | ||
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| //===----------------------------------------------------------------------===// | ||
| // IR-printing instrumentation | ||
| //===----------------------------------------------------------------------===// | ||
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| /// Generic IR-printing helper that unpacks a pointer to IRUnit wrapped into | ||
| /// llvm::Any and does actual print job. | ||
| void unwrapAndPrint(StringRef Banner, Any IR) { | ||
| if (any_isa<const CallGraphSCC *>(IR) || | ||
| any_isa<const LazyCallGraph::SCC *>(IR)) | ||
| return; | ||
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| SmallString<40> Extra{"\n"}; | ||
| const Module *M = nullptr; | ||
| if (any_isa<const Module *>(IR)) { | ||
| M = any_cast<const Module *>(IR); | ||
| } else if (any_isa<const Function *>(IR)) { | ||
| const Function *F = any_cast<const Function *>(IR); | ||
| if (!llvm::isFunctionInPrintList(F->getName())) | ||
| return; | ||
| if (!llvm::forcePrintModuleIR()) { | ||
| dbgs() << Banner << Extra << static_cast<const Value &>(*F); | ||
| return; | ||
| } | ||
| M = F->getParent(); | ||
| Extra = formatv(" (function: {0})\n", F->getName()); | ||
| } else if (any_isa<const Loop *>(IR)) { | ||
| const Loop *L = any_cast<const Loop *>(IR); | ||
| const Function *F = L->getHeader()->getParent(); | ||
| if (!isFunctionInPrintList(F->getName())) | ||
| return; | ||
| if (!llvm::forcePrintModuleIR()) { | ||
| llvm::printLoop(const_cast<Loop &>(*L), dbgs(), Banner); | ||
| return; | ||
| } | ||
| M = F->getParent(); | ||
| { | ||
| std::string LoopName; | ||
| raw_string_ostream ss(LoopName); | ||
| L->getHeader()->printAsOperand(ss, false); | ||
| Extra = formatv(" (loop: {0})\n", ss.str()); | ||
| } | ||
| } | ||
| if (M) { | ||
| dbgs() << Banner << Extra; | ||
| M->print(dbgs(), nullptr, false); | ||
| } else { | ||
| llvm_unreachable("Unknown wrapped IR type"); | ||
| } | ||
| } | ||
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| bool printBeforePass(StringRef PassID, Any IR) { | ||
| if (!llvm::shouldPrintBeforePass(PassID)) | ||
| return true; | ||
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| if (PassID.startswith("PassManager<") || PassID.contains("PassAdaptor<")) | ||
| return true; | ||
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| SmallString<20> Banner = formatv("*** IR Dump Before {0} ***", PassID); | ||
| unwrapAndPrint(Banner, IR); | ||
| return true; | ||
| } | ||
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| void printAfterPass(StringRef PassID, Any IR) { | ||
| if (!llvm::shouldPrintAfterPass(PassID)) | ||
| return; | ||
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| if (PassID.startswith("PassManager<") || PassID.contains("PassAdaptor<")) | ||
| return; | ||
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| SmallString<20> Banner = formatv("*** IR Dump After {0} ***", PassID); | ||
| unwrapAndPrint(Banner, IR); | ||
| return; | ||
| } | ||
| } // namespace PrintIR | ||
| } // namespace | ||
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| void StandardInstrumentations::registerCallbacks( | ||
| PassInstrumentationCallbacks &PIC) { | ||
| if (llvm::shouldPrintBeforePass()) | ||
| PIC.registerBeforePassCallback(PrintIR::printBeforePass); | ||
| if (llvm::shouldPrintAfterPass()) | ||
| PIC.registerAfterPassCallback(PrintIR::printAfterPass); | ||
| } |
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