[llvm] r238007 - Revert r237954, "Resubmit r237708 (MIR Serialization: print and parse LLVM IR using MIR format)."

NAKAMURA Takumi geek4civic at gmail.com
Fri May 22 00:17:08 PDT 2015


Author: chapuni
Date: Fri May 22 02:17:07 2015
New Revision: 238007

URL: http://llvm.org/viewvc/llvm-project?rev=238007&view=rev
Log:
Revert r237954, "Resubmit r237708 (MIR Serialization: print and parse LLVM IR using MIR format)."

It brought cyclic dependencies between LLVMCodeGen and LLVMMIR.

Removed:
    llvm/trunk/include/llvm/CodeGen/MIR/MIRParser.h
    llvm/trunk/lib/CodeGen/MIR/CMakeLists.txt
    llvm/trunk/lib/CodeGen/MIR/LLVMBuild.txt
    llvm/trunk/lib/CodeGen/MIR/MIRParser.cpp
    llvm/trunk/lib/CodeGen/MIR/MIRPrinter.cpp
    llvm/trunk/lib/CodeGen/MIR/MIRPrinter.h
    llvm/trunk/lib/CodeGen/MIR/MIRPrintingPass.cpp
    llvm/trunk/lib/CodeGen/MIR/Makefile
    llvm/trunk/test/CodeGen/MIR/lit.local.cfg
    llvm/trunk/test/CodeGen/MIR/llvmIR.mir
    llvm/trunk/test/CodeGen/MIR/llvmIRMissing.mir
Modified:
    llvm/trunk/include/llvm/CodeGen/Passes.h
    llvm/trunk/include/llvm/InitializePasses.h
    llvm/trunk/include/llvm/Support/YAMLTraits.h
    llvm/trunk/lib/CodeGen/CMakeLists.txt
    llvm/trunk/lib/CodeGen/LLVMBuild.txt
    llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
    llvm/trunk/lib/CodeGen/Makefile
    llvm/trunk/lib/Support/YAMLTraits.cpp
    llvm/trunk/test/CodeGen/Generic/stop-after.ll
    llvm/trunk/tools/llc/llc.cpp

Removed: llvm/trunk/include/llvm/CodeGen/MIR/MIRParser.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MIR/MIRParser.h?rev=238006&view=auto
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/MIR/MIRParser.h (original)
+++ llvm/trunk/include/llvm/CodeGen/MIR/MIRParser.h (removed)
@@ -1,52 +0,0 @@
-//===- MIRParser.h - MIR serialization format parser ----------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This MIR serialization library is currently a work in progress. It can't
-// serialize machine functions at this time.
-//
-// This file declares the functions that parse the MIR serialization format
-// files.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_MIR_MIRPARSER_H
-#define LLVM_CODEGEN_MIR_MIRPARSER_H
-
-#include "llvm/ADT/StringRef.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include <memory>
-
-namespace llvm {
-
-class SMDiagnostic;
-
-/// This function is the main interface to the MIR serialization format parser.
-///
-/// It reads a YAML file that has an optional LLVM IR and returns an LLVM
-/// module.
-/// \param Filename - The name of the file to parse.
-/// \param Error - Error result info.
-/// \param Context - Context in which to allocate globals info.
-std::unique_ptr<Module> parseMIRFile(StringRef Filename, SMDiagnostic &Error,
-                                     LLVMContext &Context);
-
-/// This function is another interface to the MIR serialization format parser.
-///
-/// It parses the optional LLVM IR in the given buffer, and returns an LLVM
-/// module.
-/// \param Contents - The MemoryBuffer containing the machine level IR.
-/// \param Error - Error result info.
-/// \param Context - Context in which to allocate globals info.
-std::unique_ptr<Module> parseMIR(std::unique_ptr<MemoryBuffer> Contents,
-                                 SMDiagnostic &Error, LLVMContext &Context);
-
-} // end namespace llvm
-
-#endif

Modified: llvm/trunk/include/llvm/CodeGen/Passes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/Passes.h?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/Passes.h (original)
+++ llvm/trunk/include/llvm/CodeGen/Passes.h Fri May 22 02:17:07 2015
@@ -374,10 +374,6 @@ namespace llvm {
   createMachineFunctionPrinterPass(raw_ostream &OS,
                                    const std::string &Banner ="");
 
-  /// MIRPrinting pass - this pass prints out the LLVM IR into the given stream
-  /// using the MIR serialization format.
-  MachineFunctionPass *createPrintMIRPass(raw_ostream &OS);
-
   /// createCodeGenPreparePass - Transform the code to expose more pattern
   /// matching during instruction selection.
   FunctionPass *createCodeGenPreparePass(const TargetMachine *TM = nullptr);
@@ -492,10 +488,6 @@ namespace llvm {
   /// MachineFunctionPrinterPass - This pass prints out MachineInstr's.
   extern char &MachineFunctionPrinterPassID;
 
-  /// MIRPrintingPass - this pass prints out the LLVM IR using the MIR
-  /// serialization format.
-  extern char &MIRPrintingPassID;
-
   /// TailDuplicate - Duplicate blocks with unconditional branches
   /// into tails of their predecessors.
   extern char &TailDuplicateID;

Modified: llvm/trunk/include/llvm/InitializePasses.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/InitializePasses.h?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/include/llvm/InitializePasses.h (original)
+++ llvm/trunk/include/llvm/InitializePasses.h Fri May 22 02:17:07 2015
@@ -289,7 +289,6 @@ void initializeLoopVectorizePass(PassReg
 void initializeSLPVectorizerPass(PassRegistry&);
 void initializeBBVectorizePass(PassRegistry&);
 void initializeMachineFunctionPrinterPassPass(PassRegistry&);
-void initializeMIRPrintingPassPass(PassRegistry&);
 void initializeStackMapLivenessPass(PassRegistry&);
 void initializeMachineCombinerPass(PassRegistry &);
 void initializeLoadCombinePass(PassRegistry&);

Modified: llvm/trunk/include/llvm/Support/YAMLTraits.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/YAMLTraits.h?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/YAMLTraits.h (original)
+++ llvm/trunk/include/llvm/Support/YAMLTraits.h Fri May 22 02:17:07 2015
@@ -1090,9 +1090,6 @@ public:
   bool setCurrentDocument();
   bool nextDocument();
 
-  /// Returns the current node that's being parsed by the YAML Parser.
-  const Node *getCurrentNode() const;
-
 private:
   llvm::SourceMgr                     SrcMgr; // must be before Strm
   std::unique_ptr<llvm::yaml::Stream> Strm;

Modified: llvm/trunk/lib/CodeGen/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/CMakeLists.txt?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/CMakeLists.txt (original)
+++ llvm/trunk/lib/CodeGen/CMakeLists.txt Fri May 22 02:17:07 2015
@@ -129,4 +129,3 @@ add_dependencies(LLVMCodeGen intrinsics_
 
 add_subdirectory(SelectionDAG)
 add_subdirectory(AsmPrinter)
-add_subdirectory(MIR)

Modified: llvm/trunk/lib/CodeGen/LLVMBuild.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LLVMBuild.txt?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LLVMBuild.txt (original)
+++ llvm/trunk/lib/CodeGen/LLVMBuild.txt Fri May 22 02:17:07 2015
@@ -16,10 +16,10 @@
 ;===------------------------------------------------------------------------===;
 
 [common]
-subdirectories = AsmPrinter SelectionDAG MIR
+subdirectories = AsmPrinter SelectionDAG
 
 [component_0]
 type = Library
 name = CodeGen
 parent = Libraries
-required_libraries = Analysis Core MC Scalar Support Target TransformUtils MIR
+required_libraries = Analysis Core MC Scalar Support Target TransformUtils

Modified: llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp (original)
+++ llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp Fri May 22 02:17:07 2015
@@ -150,7 +150,12 @@ bool LLVMTargetMachine::addPassesToEmitF
     return true;
 
   if (StopAfter) {
-    PM.add(createPrintMIRPass(outs()));
+    // FIXME: The intent is that this should eventually write out a YAML file,
+    // containing the LLVM IR, the machine-level IR (when stopping after a
+    // machine-level pass), and whatever other information is needed to
+    // deserialize the code and resume compilation.  For now, just write the
+    // LLVM IR.
+    PM.add(createPrintModulePass(Out));
     return false;
   }
 

Removed: llvm/trunk/lib/CodeGen/MIR/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MIR/CMakeLists.txt?rev=238006&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/MIR/CMakeLists.txt (original)
+++ llvm/trunk/lib/CodeGen/MIR/CMakeLists.txt (removed)
@@ -1,7 +0,0 @@
-add_llvm_library(LLVMMIR
-  MIRPrinter.cpp
-  MIRPrintingPass.cpp
-  MIRParser.cpp
-  )
-
-add_dependencies(LLVMMIR intrinsics_gen)

Removed: llvm/trunk/lib/CodeGen/MIR/LLVMBuild.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MIR/LLVMBuild.txt?rev=238006&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/MIR/LLVMBuild.txt (original)
+++ llvm/trunk/lib/CodeGen/MIR/LLVMBuild.txt (removed)
@@ -1,22 +0,0 @@
-;===- ./lib/CodeGen/MIR/LLVMBuild.txt --------------------------*- Conf -*--===;
-;
-;                     The LLVM Compiler Infrastructure
-;
-; This file is distributed under the University of Illinois Open Source
-; License. See LICENSE.TXT for details.
-;
-;===------------------------------------------------------------------------===;
-;
-; This is an LLVMBuild description file for the components in this subdirectory.
-;
-; For more information on the LLVMBuild system, please see:
-;
-;   http://llvm.org/docs/LLVMBuild.html
-;
-;===------------------------------------------------------------------------===;
-
-[component_0]
-type = Library
-name = MIR
-parent = CodeGen
-required_libraries = Core Support Target AsmParser

Removed: llvm/trunk/lib/CodeGen/MIR/MIRParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MIR/MIRParser.cpp?rev=238006&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/MIR/MIRParser.cpp (original)
+++ llvm/trunk/lib/CodeGen/MIR/MIRParser.cpp (removed)
@@ -1,90 +0,0 @@
-//===- MIRParser.cpp - MIR serialization format parser implementation -----===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the class that parses the optional LLVM IR and machine
-// functions that are stored in MIR files.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/CodeGen/MIR/MIRParser.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/AsmParser/Parser.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Support/SMLoc.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/YAMLTraits.h"
-#include <memory>
-
-using namespace llvm;
-
-namespace {
-
-/// This class implements the parsing of LLVM IR that's embedded inside a MIR
-/// file.
-class MIRParserImpl {
-  SourceMgr SM;
-  StringRef Filename;
-  LLVMContext &Context;
-
-public:
-  MIRParserImpl(std::unique_ptr<MemoryBuffer> Contents, StringRef Filename,
-                LLVMContext &Context);
-
-  /// Try to parse the optional LLVM module in the MIR file.
-  ///
-  /// Return null if an error occurred while parsing the LLVM module.
-  std::unique_ptr<Module> parseLLVMModule(SMDiagnostic &Error);
-};
-
-} // end anonymous namespace
-
-MIRParserImpl::MIRParserImpl(std::unique_ptr<MemoryBuffer> Contents,
-                             StringRef Filename, LLVMContext &Context)
-    : SM(), Filename(Filename), Context(Context) {
-  SM.AddNewSourceBuffer(std::move(Contents), SMLoc());
-}
-
-std::unique_ptr<Module> MIRParserImpl::parseLLVMModule(SMDiagnostic &Error) {
-  yaml::Input In(SM.getMemoryBuffer(SM.getMainFileID())->getBuffer());
-
-  // Parse the block scalar manually so that we can return unique pointer
-  // without having to go trough YAML traits.
-  if (In.setCurrentDocument()) {
-    if (const auto *BSN =
-            dyn_cast_or_null<yaml::BlockScalarNode>(In.getCurrentNode())) {
-      return parseAssembly(MemoryBufferRef(BSN->getValue(), Filename), Error,
-                           Context);
-    }
-  }
-
-  // Create an new, empty module.
-  return llvm::make_unique<Module>(Filename, Context);
-}
-
-std::unique_ptr<Module> llvm::parseMIRFile(StringRef Filename,
-                                           SMDiagnostic &Error,
-                                           LLVMContext &Context) {
-  auto FileOrErr = MemoryBuffer::getFile(Filename);
-  if (std::error_code EC = FileOrErr.getError()) {
-    Error = SMDiagnostic(Filename, SourceMgr::DK_Error,
-                         "Could not open input file: " + EC.message());
-    return std::unique_ptr<Module>();
-  }
-  return parseMIR(std::move(FileOrErr.get()), Error, Context);
-}
-
-std::unique_ptr<Module> llvm::parseMIR(std::unique_ptr<MemoryBuffer> Contents,
-                                       SMDiagnostic &Error,
-                                       LLVMContext &Context) {
-  auto Filename = Contents->getBufferIdentifier();
-  MIRParserImpl Parser(std::move(Contents), Filename, Context);
-  return Parser.parseLLVMModule(Error);
-}

Removed: llvm/trunk/lib/CodeGen/MIR/MIRPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MIR/MIRPrinter.cpp?rev=238006&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/MIR/MIRPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/MIR/MIRPrinter.cpp (removed)
@@ -1,66 +0,0 @@
-//===- MIRPrinter.cpp - MIR serialization format printer ------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the class that prints out the LLVM IR and machine
-// functions using the MIR serialization format.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MIRPrinter.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/YAMLTraits.h"
-
-using namespace llvm;
-
-namespace {
-
-/// This class prints out the LLVM IR using the MIR serialization format and
-/// YAML I/O.
-class MIRPrinter {
-  raw_ostream &OS;
-
-public:
-  MIRPrinter(raw_ostream &OS);
-
-  void printModule(const Module &Mod);
-};
-
-} // end anonymous namespace
-
-namespace llvm {
-namespace yaml {
-
-/// This struct serializes the LLVM IR module.
-template <> struct BlockScalarTraits<Module> {
-  static void output(const Module &Mod, void *Ctxt, raw_ostream &OS) {
-    Mod.print(OS, nullptr);
-  }
-  static StringRef input(StringRef Str, void *Ctxt, Module &Mod) {
-    llvm_unreachable("LLVM Module is supposed to be parsed separately");
-    return "";
-  }
-};
-
-} // end namespace yaml
-} // end namespace llvm
-
-MIRPrinter::MIRPrinter(raw_ostream &OS) : OS(OS) {}
-
-void MIRPrinter::printModule(const Module &Mod) {
-  yaml::Output Out(OS);
-  Out << const_cast<Module &>(Mod);
-}
-
-void llvm::printMIR(raw_ostream &OS, const Module &Mod) {
-  MIRPrinter Printer(OS);
-  Printer.printModule(Mod);
-}

Removed: llvm/trunk/lib/CodeGen/MIR/MIRPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MIR/MIRPrinter.h?rev=238006&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/MIR/MIRPrinter.h (original)
+++ llvm/trunk/lib/CodeGen/MIR/MIRPrinter.h (removed)
@@ -1,29 +0,0 @@
-//===- MIRPrinter.h - MIR serialization format printer --------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file declares the function that prints out the LLVM IR using the MIR
-// serialization format.
-// TODO: Print out machine functions.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_CODEGEN_MIR_MIRPRINTER_H
-#define LLVM_LIB_CODEGEN_MIR_MIRPRINTER_H
-
-namespace llvm {
-
-class Module;
-class raw_ostream;
-
-/// Print LLVM IR using the MIR serialization format to the given output stream.
-void printMIR(raw_ostream &OS, const Module &Mod);
-
-} // end namespace llvm
-
-#endif

Removed: llvm/trunk/lib/CodeGen/MIR/MIRPrintingPass.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MIR/MIRPrintingPass.cpp?rev=238006&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/MIR/MIRPrintingPass.cpp (original)
+++ llvm/trunk/lib/CodeGen/MIR/MIRPrintingPass.cpp (removed)
@@ -1,66 +0,0 @@
-//===- MIRPrintingPass.cpp - Pass that prints out using the MIR format ----===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements a pass that prints out the LLVM module using the MIR
-// serialization format.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MIRPrinter.h"
-#include "llvm/CodeGen/Passes.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-namespace {
-
-/// This pass prints out the LLVM IR to an output stream using the MIR
-/// serialization format.
-struct MIRPrintingPass : public MachineFunctionPass {
-  static char ID;
-  raw_ostream &OS;
-
-  MIRPrintingPass() : MachineFunctionPass(ID), OS(dbgs()) {}
-  MIRPrintingPass(raw_ostream &OS) : MachineFunctionPass(ID), OS(OS) {}
-
-  const char *getPassName() const override { return "MIR Printing Pass"; }
-
-  void getAnalysisUsage(AnalysisUsage &AU) const override {
-    AU.setPreservesAll();
-    MachineFunctionPass::getAnalysisUsage(AU);
-  }
-
-  virtual bool runOnMachineFunction(MachineFunction &MF) override {
-    // TODO: Print out the machine function.
-    return false;
-  }
-
-  virtual bool doFinalization(Module &M) override {
-    printMIR(OS, M);
-    return false;
-  }
-};
-
-char MIRPrintingPass::ID = 0;
-
-} // end anonymous namespace
-
-char &llvm::MIRPrintingPassID = MIRPrintingPass::ID;
-INITIALIZE_PASS(MIRPrintingPass, "mir-printer", "MIR Printer", false, false)
-
-namespace llvm {
-
-MachineFunctionPass *createPrintMIRPass(raw_ostream &OS) {
-  return new MIRPrintingPass(OS);
-}
-
-} // end namespace llvm

Removed: llvm/trunk/lib/CodeGen/MIR/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MIR/Makefile?rev=238006&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/MIR/Makefile (original)
+++ llvm/trunk/lib/CodeGen/MIR/Makefile (removed)
@@ -1,13 +0,0 @@
-##===- lib/CodeGen/MIR/Makefile ----------------------------*- Makefile -*-===##
-#
-#                     The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../../..
-LIBRARYNAME = LLVMMIR
-
-include $(LEVEL)/Makefile.common

Modified: llvm/trunk/lib/CodeGen/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/Makefile?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/Makefile (original)
+++ llvm/trunk/lib/CodeGen/Makefile Fri May 22 02:17:07 2015
@@ -9,7 +9,7 @@
 
 LEVEL = ../..
 LIBRARYNAME = LLVMCodeGen
-PARALLEL_DIRS = SelectionDAG AsmPrinter MIR
+PARALLEL_DIRS = SelectionDAG AsmPrinter
 BUILD_ARCHIVE = 1
 
 include $(LEVEL)/Makefile.common

Modified: llvm/trunk/lib/Support/YAMLTraits.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/YAMLTraits.cpp?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/lib/Support/YAMLTraits.cpp (original)
+++ llvm/trunk/lib/Support/YAMLTraits.cpp Fri May 22 02:17:07 2015
@@ -97,10 +97,6 @@ bool Input::nextDocument() {
   return ++DocIterator != Strm->end();
 }
 
-const Node *Input::getCurrentNode() const {
-  return CurrentNode ? CurrentNode->_node : nullptr;
-}
-
 bool Input::mapTag(StringRef Tag, bool Default) {
   std::string foundTag = CurrentNode->_node->getVerbatimTag();
   if (foundTag.empty()) {

Modified: llvm/trunk/test/CodeGen/Generic/stop-after.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Generic/stop-after.ll?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Generic/stop-after.ll (original)
+++ llvm/trunk/test/CodeGen/Generic/stop-after.ll Fri May 22 02:17:07 2015
@@ -1,10 +1,9 @@
 ; RUN: llc < %s -debug-pass=Structure -stop-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=STOP
 ; RUN: llc < %s -debug-pass=Structure -start-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=START
 
-; STOP: -loop-reduce
+; STOP: -loop-reduce -print-module
 ; STOP: Loop Strength Reduction
 ; STOP-NEXT: Machine Function Analysis
-; STOP-NEXT: MIR Printing Pass
 
 ; START: -machine-branch-prob -gc-lowering
 ; START: FunctionPass Manager

Removed: llvm/trunk/test/CodeGen/MIR/lit.local.cfg
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/MIR/lit.local.cfg?rev=238006&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/MIR/lit.local.cfg (original)
+++ llvm/trunk/test/CodeGen/MIR/lit.local.cfg (removed)
@@ -1,2 +0,0 @@
-config.suffixes = ['.mir']
-

Removed: llvm/trunk/test/CodeGen/MIR/llvmIR.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/MIR/llvmIR.mir?rev=238006&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/MIR/llvmIR.mir (original)
+++ llvm/trunk/test/CodeGen/MIR/llvmIR.mir (removed)
@@ -1,32 +0,0 @@
-# RUN: llc -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
-# This test ensures that the LLVM IR that's embedded with MIR is parsed
-# correctly.
-
---- |
-  ; CHECK: define i32 @foo(i32 %x, i32 %y)
-  ; CHECK: %z = alloca i32, align 4
-  ; CHECK: store i32 %x, i32* %z, align 4
-  ; CHECK: br label %Test
-  ; CHECK: Test:
-  ; CHECK: %m = load i32, i32* %z, align 4
-  ; CHECK: %cond = icmp eq i32 %y, %m
-  ; CHECK: br i1 %cond, label %IfEqual, label %IfUnequal
-  ; CHECK: IfEqual:
-  ; CHECK: ret i32 1
-  ; CHECK: IfUnequal:
-  ; CHECK: ret i32 0
-  define i32 @foo(i32 %x, i32 %y) {
-    %z = alloca i32, align 4
-    store i32 %x, i32* %z, align 4
-    br label %Test
-  Test:
-    %m = load i32, i32* %z, align 4
-    %cond = icmp eq i32 %y, %m
-    br i1 %cond, label %IfEqual, label %IfUnequal
-  IfEqual:
-    ret i32 1
-  IfUnequal:
-    ret i32 0
-  }
-  
-...

Removed: llvm/trunk/test/CodeGen/MIR/llvmIRMissing.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/MIR/llvmIRMissing.mir?rev=238006&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/MIR/llvmIRMissing.mir (original)
+++ llvm/trunk/test/CodeGen/MIR/llvmIRMissing.mir (removed)
@@ -1,5 +0,0 @@
-# RUN: llc -start-after branch-folder -stop-after branch-folder -o /dev/null %s
-# This test ensures that the MIR parser accepts files without the LLVM IR.
-
----
-...

Modified: llvm/trunk/tools/llc/llc.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llc/llc.cpp?rev=238007&r1=238006&r2=238007&view=diff
==============================================================================
--- llvm/trunk/tools/llc/llc.cpp (original)
+++ llvm/trunk/tools/llc/llc.cpp Fri May 22 02:17:07 2015
@@ -20,7 +20,6 @@
 #include "llvm/CodeGen/CommandFlags.h"
 #include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
 #include "llvm/CodeGen/LinkAllCodegenComponents.h"
-#include "llvm/CodeGen/MIR/MIRParser.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/IR/LLVMContext.h"
@@ -110,8 +109,6 @@ GetOutputStream(const char *TargetName,
       StringRef IFN = InputFilename;
       if (IFN.endswith(".bc") || IFN.endswith(".ll"))
         OutputFilename = IFN.drop_back(3);
-      else if (IFN.endswith(".mir"))
-        OutputFilename = IFN.drop_back(4);
       else
         OutputFilename = IFN;
 
@@ -217,10 +214,7 @@ static int compileModule(char **argv, LL
 
   // If user just wants to list available options, skip module loading
   if (!SkipModule) {
-    if (StringRef(InputFilename).endswith_lower(".mir"))
-      M = parseMIRFile(InputFilename, Err, Context);
-    else
-      M = parseIRFile(InputFilename, Err, Context);
+    M = parseIRFile(InputFilename, Err, Context);
     if (!M) {
       Err.print(argv[0], errs());
       return 1;





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