Delete all stale files.

3 files changed, 0 insertions, 607 deletions

diff --git a/tools/llvm-mc/AsmExpr.cpp b/tools/llvm-mc/AsmExpr.cpp
deleted file mode 100644
index c3362e4..0000000
--- a/tools/llvm-mc/AsmExpr.cpp
+++ /dev/null
@@ -1,162 +0,0 @@
-//===- AsmExpr.cpp - Assembly file expressions ----------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "AsmExpr.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCValue.h"
-using namespace llvm;
-
-AsmExpr::~AsmExpr() {
-}
-
-bool AsmExpr::EvaluateAsAbsolute(MCContext &Ctx, int64_t &Res) const {
-  MCValue Value;
-  
-  if (!EvaluateAsRelocatable(Ctx, Value) || !Value.isAbsolute())
-    return false;
-
-  Res = Value.getConstant();
-  return true;
-}
-
-static bool EvaluateSymbolicAdd(const MCValue &LHS, MCSymbol *RHS_A, 
-                                MCSymbol *RHS_B, int64_t RHS_Cst,
-                                MCValue &Res) {
-  // We can't add or subtract two symbols.
-  if ((LHS.getSymA() && RHS_A) ||
-      (LHS.getSymB() && RHS_B))
-    return false;
-
-  MCSymbol *A = LHS.getSymA() ? LHS.getSymA() : RHS_A;
-  MCSymbol *B = LHS.getSymB() ? LHS.getSymB() : RHS_B;
-  if (B) {
-    // If we have a negated symbol, then we must have also have a non-negated
-    // symbol in order to encode the expression. We can do this check later to
-    // permit expressions which eventually fold to a representable form -- such
-    // as (a + (0 - b)) -- if necessary.
-    if (!A)
-      return false;
-  }
-  Res = MCValue::get(A, B, LHS.getConstant() + RHS_Cst);
-  return true;
-}
-
-bool AsmExpr::EvaluateAsRelocatable(MCContext &Ctx, MCValue &Res) const {
-  switch (getKind()) {
-  default:
-    assert(0 && "Invalid assembly expression kind!");
-
-  case Constant:
-    Res = MCValue::get(cast<AsmConstantExpr>(this)->getValue());
-    return true;
-
-  case SymbolRef: {
-    MCSymbol *Sym = cast<AsmSymbolRefExpr>(this)->getSymbol();
-    if (const MCValue *Value = Ctx.GetSymbolValue(Sym))
-      Res = *Value;
-    else
-      Res = MCValue::get(Sym, 0, 0);
-    return true;
-  }
-
-  case Unary: {
-    const AsmUnaryExpr *AUE = cast<AsmUnaryExpr>(this);
-    MCValue Value;
-
-    if (!AUE->getSubExpr()->EvaluateAsRelocatable(Ctx, Value))
-      return false;
-
-    switch (AUE->getOpcode()) {
-    case AsmUnaryExpr::LNot:
-      if (!Value.isAbsolute())
-        return false;
-      Res = MCValue::get(!Value.getConstant());
-      break;
-    case AsmUnaryExpr::Minus:
-      /// -(a - b + const) ==> (b - a - const)
-      if (Value.getSymA() && !Value.getSymA())
-        return false;
-      Res = MCValue::get(Value.getSymB(), Value.getSymA(), 
-                         -Value.getConstant()); 
-      break;
-    case AsmUnaryExpr::Not:
-      if (!Value.isAbsolute())
-        return false;
-      Res = MCValue::get(~Value.getConstant()); 
-      break;
-    case AsmUnaryExpr::Plus:
-      Res = Value;
-      break;
-    }
-
-    return true;
-  }
-
-  case Binary: {
-    const AsmBinaryExpr *ABE = cast<AsmBinaryExpr>(this);
-    MCValue LHSValue, RHSValue;
-    
-    if (!ABE->getLHS()->EvaluateAsRelocatable(Ctx, LHSValue) ||
-        !ABE->getRHS()->EvaluateAsRelocatable(Ctx, RHSValue))
-      return false;
-
-    // We only support a few operations on non-constant expressions, handle
-    // those first.
-    if (!LHSValue.isAbsolute() || !RHSValue.isAbsolute()) {
-      switch (ABE->getOpcode()) {
-      default:
-        return false;
-      case AsmBinaryExpr::Sub:
-        // Negate RHS and add.
-        return EvaluateSymbolicAdd(LHSValue,
-                                   RHSValue.getSymB(), RHSValue.getSymA(),
-                                   -RHSValue.getConstant(),
-                                   Res);
-
-      case AsmBinaryExpr::Add:
-        return EvaluateSymbolicAdd(LHSValue,
-                                   RHSValue.getSymA(), RHSValue.getSymB(),
-                                   RHSValue.getConstant(),
-                                   Res);
-      }
-    }
-
-    // FIXME: We need target hooks for the evaluation. It may be limited in
-    // width, and gas defines the result of comparisons differently from Apple
-    // as (the result is sign extended).
-    int64_t LHS = LHSValue.getConstant(), RHS = RHSValue.getConstant();
-    int64_t Result = 0;
-    switch (ABE->getOpcode()) {
-    case AsmBinaryExpr::Add:  Result = LHS + RHS; break;
-    case AsmBinaryExpr::And:  Result = LHS & RHS; break;
-    case AsmBinaryExpr::Div:  Result = LHS / RHS; break;
-    case AsmBinaryExpr::EQ:   Result = LHS == RHS; break;
-    case AsmBinaryExpr::GT:   Result = LHS > RHS; break;
-    case AsmBinaryExpr::GTE:  Result = LHS >= RHS; break;
-    case AsmBinaryExpr::LAnd: Result = LHS && RHS; break;
-    case AsmBinaryExpr::LOr:  Result = LHS || RHS; break;
-    case AsmBinaryExpr::LT:   Result = LHS < RHS; break;
-    case AsmBinaryExpr::LTE:  Result = LHS <= RHS; break;
-    case AsmBinaryExpr::Mod:  Result = LHS % RHS; break;
-    case AsmBinaryExpr::Mul:  Result = LHS * RHS; break;
-    case AsmBinaryExpr::NE:   Result = LHS != RHS; break;
-    case AsmBinaryExpr::Or:   Result = LHS | RHS; break;
-    case AsmBinaryExpr::Shl:  Result = LHS << RHS; break;
-    case AsmBinaryExpr::Shr:  Result = LHS >> RHS; break;
-    case AsmBinaryExpr::Sub:  Result = LHS - RHS; break;
-    case AsmBinaryExpr::Xor:  Result = LHS ^ RHS; break;
-    }
-
-    Res = MCValue::get(Result);
-    return true;
-  }
-  }
-}
-
diff --git a/tools/llvm-mc/AsmExpr.h b/tools/llvm-mc/AsmExpr.h
deleted file mode 100644
index 84e58ff..0000000
--- a/tools/llvm-mc/AsmExpr.h
+++ /dev/null
@@ -1,179 +0,0 @@
-//===- AsmExpr.h - Assembly file expressions --------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef ASMEXPR_H
-#define ASMEXPR_H
-
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/DataTypes.h"
-
-namespace llvm {
-class MCContext;
-class MCSymbol;
-class MCValue;
-
-/// AsmExpr - Base class for the full range of assembler expressions which are
-/// needed for parsing.  
-class AsmExpr {
-public:
-  enum AsmExprKind {
-    Binary,    ///< Binary expressions.
-    Constant,  ///< Constant expressions.
-    SymbolRef, ///< References to labels and assigned expressions.
-    Unary      ///< Unary expressions.
-  };
-  
-private:
-  AsmExprKind Kind;
-  
-protected:
-  AsmExpr(AsmExprKind _Kind) : Kind(_Kind) {}
-  
-public:
-  virtual ~AsmExpr();
-
-  AsmExprKind getKind() const { return Kind; }
-
-  /// EvaluateAsAbsolute - Try to evaluate the expression to an absolute value.
-  ///
-  /// @param Res - The absolute value, if evaluation succeeds.
-  /// @result - True on success.
-  bool EvaluateAsAbsolute(MCContext &Ctx, int64_t &Res) const;
-
-  /// EvaluateAsRelocatable - Try to evaluate the expression to a relocatable
-  /// value, i.e. an expression of the fixed form (a - b + constant).
-  ///
-  /// @param Res - The relocatable value, if evaluation succeeds.
-  /// @result - True on success.
-  bool EvaluateAsRelocatable(MCContext &Ctx, MCValue &Res) const;
-
-  static bool classof(const AsmExpr *) { return true; }
-};
-
-//// AsmConstantExpr - Represent a constant integer expression.
-class AsmConstantExpr : public AsmExpr {
-  int64_t Value;
-
-public:
-  AsmConstantExpr(int64_t _Value) 
-    : AsmExpr(AsmExpr::Constant), Value(_Value) {}
-  
-  int64_t getValue() const { return Value; }
-
-  static bool classof(const AsmExpr *E) { 
-    return E->getKind() == AsmExpr::Constant; 
-  }
-  static bool classof(const AsmConstantExpr *) { return true; }
-};
-
-/// AsmSymbolRefExpr - Represent a reference to a symbol from inside an
-/// expression.
-///
-/// A symbol reference in an expression may be a use of a label, a use of an
-/// assembler variable (defined constant), or constitute an implicit definition
-/// of the symbol as external.
-class AsmSymbolRefExpr : public AsmExpr {
-  MCSymbol *Symbol;
-
-public:
-  AsmSymbolRefExpr(MCSymbol *_Symbol) 
-    : AsmExpr(AsmExpr::SymbolRef), Symbol(_Symbol) {}
-  
-  MCSymbol *getSymbol() const { return Symbol; }
-
-  static bool classof(const AsmExpr *E) { 
-    return E->getKind() == AsmExpr::SymbolRef; 
-  }
-  static bool classof(const AsmSymbolRefExpr *) { return true; }
-};
-
-/// AsmUnaryExpr - Unary assembler expressions.
-class AsmUnaryExpr : public AsmExpr {
-public:
-  enum Opcode {
-    LNot,  ///< Logical negation.
-    Minus, ///< Unary minus.
-    Not,   ///< Bitwise negation.
-    Plus   ///< Unary plus.
-  };
-
-private:
-  Opcode Op;
-  AsmExpr *Expr;
-
-public:
-  AsmUnaryExpr(Opcode _Op, AsmExpr *_Expr)
-    : AsmExpr(AsmExpr::Unary), Op(_Op), Expr(_Expr) {}
-  ~AsmUnaryExpr() {
-    delete Expr;
-  }
-
-  Opcode getOpcode() const { return Op; }
-
-  AsmExpr *getSubExpr() const { return Expr; }
-
-  static bool classof(const AsmExpr *E) { 
-    return E->getKind() == AsmExpr::Unary; 
-  }
-  static bool classof(const AsmUnaryExpr *) { return true; }
-};
-
-/// AsmBinaryExpr - Binary assembler expressions.
-class AsmBinaryExpr : public AsmExpr {
-public:
-  enum Opcode {
-    Add,  ///< Addition.
-    And,  ///< Bitwise and.
-    Div,  ///< Division.
-    EQ,   ///< Equality comparison.
-    GT,   ///< Greater than comparison.
-    GTE,  ///< Greater than or equal comparison.
-    LAnd, ///< Logical and.
-    LOr,  ///< Logical or.
-    LT,   ///< Less than comparison.
-    LTE,  ///< Less than or equal comparison.
-    Mod,  ///< Modulus.
-    Mul,  ///< Multiplication.
-    NE,   ///< Inequality comparison.
-    Or,   ///< Bitwise or.
-    Shl,  ///< Bitwise shift left.
-    Shr,  ///< Bitwise shift right.
-    Sub,  ///< Subtraction.
-    Xor   ///< Bitwise exclusive or.
-  };
-
-private:
-  Opcode Op;
-  AsmExpr *LHS, *RHS;
-
-public:
-  AsmBinaryExpr(Opcode _Op, AsmExpr *_LHS, AsmExpr *_RHS)
-    : AsmExpr(AsmExpr::Binary), Op(_Op), LHS(_LHS), RHS(_RHS) {}
-  ~AsmBinaryExpr() {
-    delete LHS;
-    delete RHS;
-  }
-
-  Opcode getOpcode() const { return Op; }
-
-  /// getLHS - Get the left-hand side expression of the binary operator.
-  AsmExpr *getLHS() const { return LHS; }
-
-  /// getRHS - Get the right-hand side expression of the binary operator.
-  AsmExpr *getRHS() const { return RHS; }
-
-  static bool classof(const AsmExpr *E) { 
-    return E->getKind() == AsmExpr::Binary; 
-  }
-  static bool classof(const AsmBinaryExpr *) { return true; }
-};
-
-} // end namespace llvm
-
-#endif
diff --git a/tools/llvm-mc/MC-X86Specific.cpp b/tools/llvm-mc/MC-X86Specific.cpp
deleted file mode 100644
index fec13ce..0000000
--- a/tools/llvm-mc/MC-X86Specific.cpp
+++ /dev/null
@@ -1,266 +0,0 @@
-//===- MC-X86Specific.cpp - X86-Specific code for MC ----------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements X86-specific parsing, encoding and decoding stuff for
-// MC.
-//
-//===----------------------------------------------------------------------===//
-
-#include "AsmParser.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/Support/SourceMgr.h"
-using namespace llvm;
-
-/// X86Operand - Instances of this class represent one X86 machine instruction.
-struct AsmParser::X86Operand {
-  enum {
-    Register,
-    Immediate,
-    Memory
-  } Kind;
-  
-  union {
-    struct {
-      unsigned RegNo;
-    } Reg;
-
-    struct {
-      MCValue Val;
-    } Imm;
-    
-    struct {
-      unsigned SegReg;
-      MCValue Disp;
-      unsigned BaseReg;
-      unsigned IndexReg;
-      unsigned Scale;
-    } Mem;
-  };
-  
-  unsigned getReg() const {
-    assert(Kind == Register && "Invalid access!");
-    return Reg.RegNo;
-  }
-
-  static X86Operand CreateReg(unsigned RegNo) {
-    X86Operand Res;
-    Res.Kind = Register;
-    Res.Reg.RegNo = RegNo;
-    return Res;
-  }
-  static X86Operand CreateImm(MCValue Val) {
-    X86Operand Res;
-    Res.Kind = Immediate;
-    Res.Imm.Val = Val;
-    return Res;
-  }
-  static X86Operand CreateMem(unsigned SegReg, MCValue Disp, unsigned BaseReg,
-                              unsigned IndexReg, unsigned Scale) {
-    // If there is no index register, we should never have a scale, and we
-    // should always have a scale (in {1,2,4,8}) if we do.
-    assert(((Scale == 0 && !IndexReg) ||
-            (IndexReg && (Scale == 1 || Scale == 2 || 
-                          Scale == 4 || Scale == 8))) &&
-           "Invalid scale!");
-    X86Operand Res;
-    Res.Kind = Memory;
-    Res.Mem.SegReg   = SegReg;
-    Res.Mem.Disp     = Disp;
-    Res.Mem.BaseReg  = BaseReg;
-    Res.Mem.IndexReg = IndexReg;
-    Res.Mem.Scale    = Scale;
-    return Res;
-  }
-};
-
-bool AsmParser::ParseX86Register(X86Operand &Op) {
-  assert(Lexer.getKind() == asmtok::Register && "Invalid token kind!");
-
-  // FIXME: Decode register number.
-  Op = X86Operand::CreateReg(123);
-  Lexer.Lex(); // Eat register token.
-
-  return false;
-}
-
-bool AsmParser::ParseX86Operand(X86Operand &Op) {
-  switch (Lexer.getKind()) {
-  default:
-    return ParseX86MemOperand(Op);
-  case asmtok::Register:
-    // FIXME: if a segment register, this could either be just the seg reg, or
-    // the start of a memory operand.
-    return ParseX86Register(Op);
-  case asmtok::Dollar: {
-    // $42 -> immediate.
-    Lexer.Lex();
-    MCValue Val;
-    if (ParseRelocatableExpression(Val))
-      return true;
-    Op = X86Operand::CreateImm(Val);
-    return false;
-  }
-  case asmtok::Star: {
-    Lexer.Lex(); // Eat the star.
-    
-    if (Lexer.is(asmtok::Register)) {
-      if (ParseX86Register(Op))
-        return true;
-    } else if (ParseX86MemOperand(Op))
-      return true;
-
-    // FIXME: Note the '*' in the operand for use by the matcher.
-    return false;
-  }
-  }
-}
-
-/// ParseX86MemOperand: segment: disp(basereg, indexreg, scale)
-bool AsmParser::ParseX86MemOperand(X86Operand &Op) {
-  // FIXME: If SegReg ':'  (e.g. %gs:), eat and remember.
-  unsigned SegReg = 0;
-  
-  // We have to disambiguate a parenthesized expression "(4+5)" from the start
-  // of a memory operand with a missing displacement "(%ebx)" or "(,%eax)".  The
-  // only way to do this without lookahead is to eat the ( and see what is after
-  // it.
-  MCValue Disp = MCValue::get(0, 0, 0);
-  if (Lexer.isNot(asmtok::LParen)) {
-    if (ParseRelocatableExpression(Disp)) return true;
-    
-    // After parsing the base expression we could either have a parenthesized
-    // memory address or not.  If not, return now.  If so, eat the (.
-    if (Lexer.isNot(asmtok::LParen)) {
-      Op = X86Operand::CreateMem(SegReg, Disp, 0, 0, 0);
-      return false;
-    }
-    
-    // Eat the '('.
-    Lexer.Lex();
-  } else {
-    // Okay, we have a '('.  We don't know if this is an expression or not, but
-    // so we have to eat the ( to see beyond it.
-    Lexer.Lex(); // Eat the '('.
-    
-    if (Lexer.is(asmtok::Register) || Lexer.is(asmtok::Comma)) {
-      // Nothing to do here, fall into the code below with the '(' part of the
-      // memory operand consumed.
-    } else {
-      // It must be an parenthesized expression, parse it now.
-      if (ParseParenRelocatableExpression(Disp))
-        return true;
-      
-      // After parsing the base expression we could either have a parenthesized
-      // memory address or not.  If not, return now.  If so, eat the (.
-      if (Lexer.isNot(asmtok::LParen)) {
-        Op = X86Operand::CreateMem(SegReg, Disp, 0, 0, 0);
-        return false;
-      }
-      
-      // Eat the '('.
-      Lexer.Lex();
-    }
-  }
-  
-  // If we reached here, then we just ate the ( of the memory operand.  Process
-  // the rest of the memory operand.
-  unsigned BaseReg = 0, IndexReg = 0, Scale = 0;
-  
-  if (Lexer.is(asmtok::Register)) {
-    if (ParseX86Register(Op))
-      return true;
-    BaseReg = Op.getReg();
-  }
-  
-  if (Lexer.is(asmtok::Comma)) {
-    Lexer.Lex(); // Eat the comma.
-
-    // Following the comma we should have either an index register, or a scale
-    // value. We don't support the later form, but we want to parse it
-    // correctly.
-    //
-    // Not that even though it would be completely consistent to support syntax
-    // like "1(%eax,,1)", the assembler doesn't.
-    if (Lexer.is(asmtok::Register)) {
-      if (ParseX86Register(Op))
-        return true;
-      IndexReg = Op.getReg();
-      Scale = 1;      // If not specified, the scale defaults to 1.
-    
-      if (Lexer.isNot(asmtok::RParen)) {
-        // Parse the scale amount:
-        //  ::= ',' [scale-expression]
-        if (Lexer.isNot(asmtok::Comma))
-          return true;
-        Lexer.Lex(); // Eat the comma.
-
-        if (Lexer.isNot(asmtok::RParen)) {
-          int64_t ScaleVal;
-          if (ParseAbsoluteExpression(ScaleVal))
-            return true;
-          
-          // Validate the scale amount.
-          if (ScaleVal != 1 && ScaleVal != 2 && ScaleVal != 4 && ScaleVal != 8)
-            return TokError("scale factor in address must be 1, 2, 4 or 8");
-          Scale = (unsigned)ScaleVal;
-        }
-      }
-    } else if (Lexer.isNot(asmtok::RParen)) {
-      // Otherwise we have the unsupported form of a scale amount without an
-      // index.
-      SMLoc Loc = Lexer.getLoc();
-
-      int64_t Value;
-      if (ParseAbsoluteExpression(Value))
-        return true;
-      
-      return Error(Loc, "cannot have scale factor without index register");
-    }
-  }
-  
-  // Ok, we've eaten the memory operand, verify we have a ')' and eat it too.
-  if (Lexer.isNot(asmtok::RParen))
-    return TokError("unexpected token in memory operand");
-  Lexer.Lex(); // Eat the ')'.
-  
-  Op = X86Operand::CreateMem(SegReg, Disp, BaseReg, IndexReg, Scale);
-  return false;
-}
-
-/// MatchX86Inst - Convert a parsed instruction name and operand list into a
-/// concrete instruction.
-static bool MatchX86Inst(const char *Name, 
-                         llvm::SmallVector<AsmParser::X86Operand, 3> &Operands,
-                         MCInst &Inst) {
-  return false;
-}
-
-/// ParseX86InstOperands - Parse the operands of an X86 instruction and return
-/// them as the operands of an MCInst.
-bool AsmParser::ParseX86InstOperands(const char *InstName, MCInst &Inst) {
-  llvm::SmallVector<X86Operand, 3> Operands;
-
-  if (Lexer.isNot(asmtok::EndOfStatement)) {
-    // Read the first operand.
-    Operands.push_back(X86Operand());
-    if (ParseX86Operand(Operands.back()))
-      return true;
-    
-    while (Lexer.is(asmtok::Comma)) {
-      Lexer.Lex();  // Eat the comma.
-      
-      // Parse and remember the operand.
-      Operands.push_back(X86Operand());
-      if (ParseX86Operand(Operands.back()))
-        return true;
-    }
-  }
-
-  return MatchX86Inst(InstName, Operands, Inst);
-}