Remove MCPureStreamer.

We moved MCJIT to use native object formats a long time ago and R600
now uses ELF, so it was dead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202408 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 0 insertions, 238 deletions

diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index 959fdbb508..43fa42ba81 100644
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -770,13 +770,6 @@ MCStreamer *createELFStreamer(MCContext &Ctx, MCAsmBackend &TAB,
                               raw_ostream &OS, MCCodeEmitter *CE, bool RelaxAll,
                               bool NoExecStack);
 
-/// createPureStreamer - Create a machine code streamer which will generate
-/// "pure" MC object files, for use with MC-JIT and testing tools.
-///
-/// Takes ownership of \p TAB and \p CE.
-MCStreamer *createPureStreamer(MCContext &Ctx, MCAsmBackend &TAB,
-                               raw_ostream &OS, MCCodeEmitter *CE);
-
 } // end namespace llvm
 
 #endif
diff --git a/lib/MC/CMakeLists.txt b/lib/MC/CMakeLists.txt
index fa844efacf..06099640a1 100644
--- a/lib/MC/CMakeLists.txt
+++ b/lib/MC/CMakeLists.txt
@@ -33,7 +33,6 @@ add_llvm_library(LLVMMC
   MCObjectStreamer.cpp
   MCObjectSymbolizer.cpp
   MCObjectWriter.cpp
-  MCPureStreamer.cpp
   MCRegisterInfo.cpp
   MCRelocationInfo.cpp
   MCSection.cpp
diff --git a/lib/MC/MCPureStreamer.cpp b/lib/MC/MCPureStreamer.cpp
deleted file mode 100644
index 9c6ce2ef74..0000000000
--- a/lib/MC/MCPureStreamer.cpp
+++ /dev/null
@@ -1,228 +0,0 @@
-//===- lib/MC/MCPureStreamer.cpp - MC "Pure" Object Output ----------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCAssembler.h"
-#include "llvm/MC/MCCodeEmitter.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCObjectStreamer.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/ErrorHandling.h"
-
-using namespace llvm;
-
-namespace {
-
-class MCPureStreamer : public MCObjectStreamer {
-private:
-  virtual void EmitInstToFragment(const MCInst &Inst,
-                                  const MCSubtargetInfo &STI);
-  virtual void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &STI);
-
-public:
-  MCPureStreamer(MCContext &Context, MCAsmBackend &TAB, raw_ostream &OS,
-                 MCCodeEmitter *Emitter)
-      : MCObjectStreamer(Context, TAB, OS, Emitter) {}
-
-  /// @name MCStreamer Interface
-  /// @{
-
-  virtual void EmitLabel(MCSymbol *Symbol);
-  virtual void EmitDebugLabel(MCSymbol *Symbol);
-  virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
-                            uint64_t Size = 0, unsigned ByteAlignment = 0);
-  virtual void EmitBytes(StringRef Data);
-  virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
-                                    unsigned ValueSize = 1,
-                                    unsigned MaxBytesToEmit = 0);
-  virtual void EmitCodeAlignment(unsigned ByteAlignment,
-                                 unsigned MaxBytesToEmit = 0);
-  virtual bool EmitValueToOffset(const MCExpr *Offset,
-                                 unsigned char Value = 0);
-  virtual void FinishImpl();
-
-
-  virtual bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) {
-    report_fatal_error("unsupported directive in pure streamer");
-    return false;
-  }
-  virtual void EmitAssemblerFlag(MCAssemblerFlag Flag) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
-                              uint64_t Size, unsigned ByteAlignment = 0) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
-                                unsigned ByteAlignment) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitThumbFunc(MCSymbol *Func) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void BeginCOFFSymbolDef(const MCSymbol *Symbol) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitCOFFSymbolStorageClass(int StorageClass) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitCOFFSymbolType(int Type) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EndCOFFSymbolDef() {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
-                                     unsigned ByteAlignment) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitFileDirective(StringRef Filename) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual void EmitIdent(StringRef IdentString) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-  virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
-                                      StringRef Filename, unsigned CUID = 0) {
-    report_fatal_error("unsupported directive in pure streamer");
-  }
-};
-
-} // end anonymous namespace.
-
-void MCPureStreamer::EmitLabel(MCSymbol *Symbol) {
-  assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
-  assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
-  assert(getCurrentSection().first && "Cannot emit before setting section!");
-
-  AssignSection(Symbol, getCurrentSection().first);
-
-  MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
-
-  // We have to create a new fragment if this is an atom defining symbol,
-  // fragments cannot span atoms.
-  if (getAssembler().isSymbolLinkerVisible(SD.getSymbol()))
-    insert(new MCDataFragment());
-
-  // FIXME: This is wasteful, we don't necessarily need to create a data
-  // fragment. Instead, we should mark the symbol as pointing into the data
-  // fragment if it exists, otherwise we should just queue the label and set its
-  // fragment pointer when we emit the next fragment.
-  MCDataFragment *F = getOrCreateDataFragment();
-  assert(!SD.getFragment() && "Unexpected fragment on symbol data!");
-  SD.setFragment(F);
-  SD.setOffset(F->getContents().size());
-}
-
-
-void MCPureStreamer::EmitDebugLabel(MCSymbol *Symbol) {
-  EmitLabel(Symbol);
-}
-
-void MCPureStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
-                                  uint64_t Size, unsigned ByteAlignment) {
-  report_fatal_error("not yet implemented in pure streamer");
-}
-
-void MCPureStreamer::EmitBytes(StringRef Data) {
-  // TODO: This is exactly the same as WinCOFFStreamer. Consider merging into
-  // MCObjectStreamer.
-  getOrCreateDataFragment()->getContents().append(Data.begin(), Data.end());
-}
-
-void MCPureStreamer::EmitValueToAlignment(unsigned ByteAlignment,
-                                          int64_t Value, unsigned ValueSize,
-                                          unsigned MaxBytesToEmit) {
-  // TODO: This is exactly the same as WinCOFFStreamer. Consider merging into
-  // MCObjectStreamer.
-  if (MaxBytesToEmit == 0)
-    MaxBytesToEmit = ByteAlignment;
-  insert(new MCAlignFragment(ByteAlignment, Value, ValueSize, MaxBytesToEmit));
-
-  // Update the maximum alignment on the current section if necessary.
-  if (ByteAlignment > getCurrentSectionData()->getAlignment())
-    getCurrentSectionData()->setAlignment(ByteAlignment);
-}
-
-void MCPureStreamer::EmitCodeAlignment(unsigned ByteAlignment,
-                                       unsigned MaxBytesToEmit) {
-  // TODO: This is exactly the same as WinCOFFStreamer. Consider merging into
-  // MCObjectStreamer.
-  if (MaxBytesToEmit == 0)
-    MaxBytesToEmit = ByteAlignment;
-  MCAlignFragment *F = new MCAlignFragment(ByteAlignment, 0, 1, MaxBytesToEmit);
-  insert(F);
-  F->setEmitNops(true);
-
-  // Update the maximum alignment on the current section if necessary.
-  if (ByteAlignment > getCurrentSectionData()->getAlignment())
-    getCurrentSectionData()->setAlignment(ByteAlignment);
-}
-
-bool MCPureStreamer::EmitValueToOffset(const MCExpr *Offset,
-                                       unsigned char Value) {
-  insert(new MCOrgFragment(*Offset, Value));
-  return false;
-}
-
-void MCPureStreamer::EmitInstToFragment(const MCInst &Inst,
-                                        const MCSubtargetInfo &STI) {
-  MCRelaxableFragment *IF = new MCRelaxableFragment(Inst, STI);
-  insert(IF);
-
-  // Add the fixups and data.
-  //
-  // FIXME: Revisit this design decision when relaxation is done, we may be
-  // able to get away with not storing any extra data in the MCInst.
-  SmallVector<MCFixup, 4> Fixups;
-  SmallString<256> Code;
-  raw_svector_ostream VecOS(Code);
-  getAssembler().getEmitter().EncodeInstruction(Inst, VecOS, Fixups, STI);
-  VecOS.flush();
-
-  IF->getContents() = Code;
-  IF->getFixups() = Fixups;
-}
-
-void MCPureStreamer::EmitInstToData(const MCInst &Inst,
-                                    const MCSubtargetInfo &STI) {
-  MCDataFragment *DF = getOrCreateDataFragment();
-
-  SmallVector<MCFixup, 4> Fixups;
-  SmallString<256> Code;
-  raw_svector_ostream VecOS(Code);
-  getAssembler().getEmitter().EncodeInstruction(Inst, VecOS, Fixups, STI);
-  VecOS.flush();
-
-  // Add the fixups and data.
-  for (unsigned i = 0, e = Fixups.size(); i != e; ++i) {
-    Fixups[i].setOffset(Fixups[i].getOffset() + DF->getContents().size());
-    DF->getFixups().push_back(Fixups[i]);
-  }
-  DF->getContents().append(Code.begin(), Code.end());
-}
-
-void MCPureStreamer::FinishImpl() {
-  // FIXME: Handle DWARF tables?
-
-  this->MCObjectStreamer::FinishImpl();
-}
-
-MCStreamer *llvm::createPureStreamer(MCContext &Context, MCAsmBackend &MAB,
-                                     raw_ostream &OS, MCCodeEmitter *CE) {
-  return new MCPureStreamer(Context, MAB, OS, CE);
-}
diff --git a/lib/Target/R600/AMDGPUAsmPrinter.cpp b/lib/Target/R600/AMDGPUAsmPrinter.cpp
index 1ef3df3aed..ccc3d13587 100644
--- a/lib/Target/R600/AMDGPUAsmPrinter.cpp
+++ b/lib/Target/R600/AMDGPUAsmPrinter.cpp
@@ -50,8 +50,6 @@ AMDGPUAsmPrinter::AMDGPUAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
   DisasmEnabled = TM.getSubtarget<AMDGPUSubtarget>().dumpCode();
 }
 
-/// We need to override this function so we can avoid
-/// the call to EmitFunctionHeader(), which the MCPureStreamer can't handle.
 bool AMDGPUAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   SetupMachineFunction(MF);