Revert "[ms] [llvm-ml] Add placeholder for llvm-ml, based on llvm-mc"

This reverts commit 22af2cbefc86dbef6e11ddaa96a08956e0baf22b, due to breakages on ARM platforms.

1 files changed, 0 insertions, 203 deletions

diff --git a/llvm/tools/llvm-ml/Disassembler.cpp b/llvm/tools/llvm-ml/Disassembler.cpp
deleted file mode 100644
index 08cd5e4..0000000
--- a/llvm/tools/llvm-ml/Disassembler.cpp
+++ /dev/null
@@ -1,203 +0,0 @@
-//===- Disassembler.cpp - Disassembler for hex strings --------------------===//
-//
-// 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 class implements the disassembler of strings of bytes written in
-// hexadecimal, from standard input or from a file.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Disassembler.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCDisassembler/MCDisassembler.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-typedef std::pair<std::vector<unsigned char>, std::vector<const char *>>
-    ByteArrayTy;
-
-static bool PrintInsts(const MCDisassembler &DisAsm, const ByteArrayTy &Bytes,
-                       SourceMgr &SM, raw_ostream &Out, MCStreamer &Streamer,
-                       bool InAtomicBlock, const MCSubtargetInfo &STI) {
-  ArrayRef<uint8_t> Data(Bytes.first.data(), Bytes.first.size());
-
-  // Disassemble it to strings.
-  uint64_t Size;
-  uint64_t Index;
-
-  for (Index = 0; Index < Bytes.first.size(); Index += Size) {
-    MCInst Inst;
-
-    MCDisassembler::DecodeStatus S;
-    S = DisAsm.getInstruction(Inst, Size, Data.slice(Index), Index, nulls());
-    switch (S) {
-    case MCDisassembler::Fail:
-      SM.PrintMessage(SMLoc::getFromPointer(Bytes.second[Index]),
-                      SourceMgr::DK_Warning, "invalid instruction encoding");
-      // Don't try to resynchronise the stream in a block
-      if (InAtomicBlock)
-        return true;
-
-      if (Size == 0)
-        Size = 1;  // skip illegible bytes
-
-      break;
-
-    case MCDisassembler::SoftFail:
-      SM.PrintMessage(SMLoc::getFromPointer(Bytes.second[Index]),
-                      SourceMgr::DK_Warning,
-                      "potentially undefined instruction encoding");
-      LLVM_FALLTHROUGH;
-
-    case MCDisassembler::Success:
-      Streamer.EmitInstruction(Inst, STI);
-      break;
-    }
-  }
-
-  return false;
-}
-
-static bool SkipToToken(StringRef &Str) {
-  for (;;) {
-    if (Str.empty())
-      return false;
-
-    // Strip horizontal whitespace and commas.
-    if (size_t Pos = Str.find_first_not_of(" \t\r\n,")) {
-      Str = Str.substr(Pos);
-      continue;
-    }
-
-    // If this is the start of a comment, remove the rest of the line.
-    if (Str[0] == '#') {
-      Str = Str.substr(Str.find_first_of('\n'));
-      continue;
-    }
-    return true;
-  }
-}
-
-static bool ByteArrayFromString(ByteArrayTy &ByteArray, StringRef &Str,
-                                SourceMgr &SM) {
-  while (SkipToToken(Str)) {
-    // Handled by higher level
-    if (Str[0] == '[' || Str[0] == ']')
-      return false;
-
-    // Get the current token.
-    size_t Next = Str.find_first_of(" \t\n\r,#[]");
-    StringRef Value = Str.substr(0, Next);
-
-    // Convert to a byte and add to the byte vector.
-    unsigned ByteVal;
-    if (Value.getAsInteger(0, ByteVal) || ByteVal > 255) {
-      // If we have an error, print it and skip to the end of line.
-      SM.PrintMessage(SMLoc::getFromPointer(Value.data()), SourceMgr::DK_Error,
-                      "invalid input token");
-      Str = Str.substr(Str.find('\n'));
-      ByteArray.first.clear();
-      ByteArray.second.clear();
-      continue;
-    }
-
-    ByteArray.first.push_back(ByteVal);
-    ByteArray.second.push_back(Value.data());
-    Str = Str.substr(Next);
-  }
-
-  return false;
-}
-
-int Disassembler::disassemble(const Target &T, const std::string &Triple,
-                              MCSubtargetInfo &STI, MCStreamer &Streamer,
-                              MemoryBuffer &Buffer, SourceMgr &SM,
-                              raw_ostream &Out) {
-  std::unique_ptr<const MCRegisterInfo> MRI(T.createMCRegInfo(Triple));
-  if (!MRI) {
-    errs() << "error: no register info for target " << Triple << "\n";
-    return -1;
-  }
-
-  MCTargetOptions MCOptions;
-  std::unique_ptr<const MCAsmInfo> MAI(
-      T.createMCAsmInfo(*MRI, Triple, MCOptions));
-  if (!MAI) {
-    errs() << "error: no assembly info for target " << Triple << "\n";
-    return -1;
-  }
-
-  // Set up the MCContext for creating symbols and MCExpr's.
-  MCContext Ctx(MAI.get(), MRI.get(), nullptr);
-
-  std::unique_ptr<const MCDisassembler> DisAsm(
-      T.createMCDisassembler(STI, Ctx));
-  if (!DisAsm) {
-    errs() << "error: no disassembler for target " << Triple << "\n";
-    return -1;
-  }
-
-  // Set up initial section manually here
-  Streamer.InitSections(false);
-
-  bool ErrorOccurred = false;
-
-  // Convert the input to a vector for disassembly.
-  ByteArrayTy ByteArray;
-  StringRef Str = Buffer.getBuffer();
-  bool InAtomicBlock = false;
-
-  while (SkipToToken(Str)) {
-    ByteArray.first.clear();
-    ByteArray.second.clear();
-
-    if (Str[0] == '[') {
-      if (InAtomicBlock) {
-        SM.PrintMessage(SMLoc::getFromPointer(Str.data()), SourceMgr::DK_Error,
-                        "nested atomic blocks make no sense");
-        ErrorOccurred = true;
-      }
-      InAtomicBlock = true;
-      Str = Str.drop_front();
-      continue;
-    } else if (Str[0] == ']') {
-      if (!InAtomicBlock) {
-        SM.PrintMessage(SMLoc::getFromPointer(Str.data()), SourceMgr::DK_Error,
-                        "attempt to close atomic block without opening");
-        ErrorOccurred = true;
-      }
-      InAtomicBlock = false;
-      Str = Str.drop_front();
-      continue;
-    }
-
-    // It's a real token, get the bytes and emit them
-    ErrorOccurred |= ByteArrayFromString(ByteArray, Str, SM);
-
-    if (!ByteArray.first.empty())
-      ErrorOccurred |=
-          PrintInsts(*DisAsm, ByteArray, SM, Out, Streamer, InAtomicBlock, STI);
-  }
-
-  if (InAtomicBlock) {
-    SM.PrintMessage(SMLoc::getFromPointer(Str.data()), SourceMgr::DK_Error,
-                    "unclosed atomic block");
-    ErrorOccurred = true;
-  }
-
-  return ErrorOccurred;
-}