/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp

Bug Summary

File:	lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
Warning:	line 1673, column 24 1st function call argument is an uninitialized value
Annotated Source Code

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clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name PPCAsmParser.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-eagerly-assume -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -mrelocation-model pic -pic-level 2 -mthread-model posix -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb -momit-leaf-frame-pointer -ffunction-sections -fdata-sections -resource-dir /usr/lib/llvm-7/lib/clang/7.0.0 -D _DEBUG -D _GNU_SOURCE -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -I /build/llvm-toolchain-snapshot-7~svn338205/build-llvm/lib/Target/PowerPC/AsmParser -I /build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser -I /build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC -I /build/llvm-toolchain-snapshot-7~svn338205/build-llvm/lib/Target/PowerPC -I /build/llvm-toolchain-snapshot-7~svn338205/build-llvm/include -I /build/llvm-toolchain-snapshot-7~svn338205/include -U NDEBUG -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/x86_64-linux-gnu/c++/8 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/x86_64-linux-gnu/c++/8 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/backward -internal-isystem /usr/include/clang/7.0.0/include/ -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-7/lib/clang/7.0.0/include -internal-externc-isystem /usr/lib/gcc/x86_64-linux-gnu/8/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-maybe-uninitialized -Wno-class-memaccess -Wno-comment -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /build/llvm-toolchain-snapshot-7~svn338205/build-llvm/lib/Target/PowerPC/AsmParser -ferror-limit 19 -fmessage-length 0 -fvisibility-inlines-hidden -fobjc-runtime=gcc -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-output=html -analyzer-config stable-report-filename=true -o /tmp/scan-build-2018-07-29-043837-17923-1 -x c++ /build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp -faddrsig
1//===-- PPCAsmParser.cpp - Parse PowerPC asm to MCInst instructions -------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

10#include "MCTargetDesc/PPCMCExpr.h"
11#include "MCTargetDesc/PPCMCTargetDesc.h"
12#include "PPCTargetStreamer.h"
13#include "llvm/ADT/STLExtras.h"
14#include "llvm/ADT/StringSwitch.h"
15#include "llvm/ADT/Twine.h"
16#include "llvm/MC/MCContext.h"
17#include "llvm/MC/MCExpr.h"
18#include "llvm/MC/MCInst.h"
19#include "llvm/MC/MCInstrInfo.h"
20#include "llvm/MC/MCParser/MCAsmLexer.h"
21#include "llvm/MC/MCParser/MCAsmParser.h"
22#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
23#include "llvm/MC/MCParser/MCTargetAsmParser.h"
24#include "llvm/MC/MCRegisterInfo.h"
25#include "llvm/MC/MCStreamer.h"
26#include "llvm/MC/MCSubtargetInfo.h"
27#include "llvm/MC/MCSymbolELF.h"
28#include "llvm/Support/SourceMgr.h"
29#include "llvm/Support/TargetRegistry.h"
30#include "llvm/Support/raw_ostream.h"

32using namespace llvm;

34static const MCPhysReg RRegs[32] = {
PPC::R0,  PPC::R1,  PPC::R2,  PPC::R3,
PPC::R4,  PPC::R5,  PPC::R6,  PPC::R7,
PPC::R8,  PPC::R9,  PPC::R10, PPC::R11,
PPC::R12, PPC::R13, PPC::R14, PPC::R15,
PPC::R16, PPC::R17, PPC::R18, PPC::R19,
PPC::R20, PPC::R21, PPC::R22, PPC::R23,
PPC::R24, PPC::R25, PPC::R26, PPC::R27,
PPC::R28, PPC::R29, PPC::R30, PPC::R31
43};
44static const MCPhysReg RRegsNoR0[32] = {
PPC::ZERO,
          PPC::R1,  PPC::R2,  PPC::R3,
PPC::R4,  PPC::R5,  PPC::R6,  PPC::R7,
PPC::R8,  PPC::R9,  PPC::R10, PPC::R11,
PPC::R12, PPC::R13, PPC::R14, PPC::R15,
PPC::R16, PPC::R17, PPC::R18, PPC::R19,
PPC::R20, PPC::R21, PPC::R22, PPC::R23,
PPC::R24, PPC::R25, PPC::R26, PPC::R27,
PPC::R28, PPC::R29, PPC::R30, PPC::R31
54};
55static const MCPhysReg XRegs[32] = {
PPC::X0,  PPC::X1,  PPC::X2,  PPC::X3,
PPC::X4,  PPC::X5,  PPC::X6,  PPC::X7,
PPC::X8,  PPC::X9,  PPC::X10, PPC::X11,
PPC::X12, PPC::X13, PPC::X14, PPC::X15,
PPC::X16, PPC::X17, PPC::X18, PPC::X19,
PPC::X20, PPC::X21, PPC::X22, PPC::X23,
PPC::X24, PPC::X25, PPC::X26, PPC::X27,
PPC::X28, PPC::X29, PPC::X30, PPC::X31
64};
65static const MCPhysReg XRegsNoX0[32] = {
PPC::ZERO8,
          PPC::X1,  PPC::X2,  PPC::X3,
PPC::X4,  PPC::X5,  PPC::X6,  PPC::X7,
PPC::X8,  PPC::X9,  PPC::X10, PPC::X11,
PPC::X12, PPC::X13, PPC::X14, PPC::X15,
PPC::X16, PPC::X17, PPC::X18, PPC::X19,
PPC::X20, PPC::X21, PPC::X22, PPC::X23,
PPC::X24, PPC::X25, PPC::X26, PPC::X27,
PPC::X28, PPC::X29, PPC::X30, PPC::X31
75};
76static const MCPhysReg FRegs[32] = {
PPC::F0,  PPC::F1,  PPC::F2,  PPC::F3,
PPC::F4,  PPC::F5,  PPC::F6,  PPC::F7,
PPC::F8,  PPC::F9,  PPC::F10, PPC::F11,
PPC::F12, PPC::F13, PPC::F14, PPC::F15,
PPC::F16, PPC::F17, PPC::F18, PPC::F19,
PPC::F20, PPC::F21, PPC::F22, PPC::F23,
PPC::F24, PPC::F25, PPC::F26, PPC::F27,
PPC::F28, PPC::F29, PPC::F30, PPC::F31
85};
86static const MCPhysReg SPERegs[32] = {
PPC::S0,  PPC::S1,  PPC::S2,  PPC::S3,
PPC::S4,  PPC::S5,  PPC::S6,  PPC::S7,
PPC::S8,  PPC::S9,  PPC::S10, PPC::S11,
PPC::S12, PPC::S13, PPC::S14, PPC::S15,
PPC::S16, PPC::S17, PPC::S18, PPC::S19,
PPC::S20, PPC::S21, PPC::S22, PPC::S23,
PPC::S24, PPC::S25, PPC::S26, PPC::S27,
PPC::S28, PPC::S29, PPC::S30, PPC::S31
95};
96static const MCPhysReg VFRegs[32] = {
PPC::VF0,  PPC::VF1,  PPC::VF2,  PPC::VF3,
PPC::VF4,  PPC::VF5,  PPC::VF6,  PPC::VF7,
PPC::VF8,  PPC::VF9,  PPC::VF10, PPC::VF11,
PPC::VF12, PPC::VF13, PPC::VF14, PPC::VF15,
PPC::VF16, PPC::VF17, PPC::VF18, PPC::VF19,
PPC::VF20, PPC::VF21, PPC::VF22, PPC::VF23,
PPC::VF24, PPC::VF25, PPC::VF26, PPC::VF27,
PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31
105};
106static const MCPhysReg VRegs[32] = {
PPC::V0,  PPC::V1,  PPC::V2,  PPC::V3,
PPC::V4,  PPC::V5,  PPC::V6,  PPC::V7,
PPC::V8,  PPC::V9,  PPC::V10, PPC::V11,
PPC::V12, PPC::V13, PPC::V14, PPC::V15,
PPC::V16, PPC::V17, PPC::V18, PPC::V19,
PPC::V20, PPC::V21, PPC::V22, PPC::V23,
PPC::V24, PPC::V25, PPC::V26, PPC::V27,
PPC::V28, PPC::V29, PPC::V30, PPC::V31
115};
116static const MCPhysReg VSRegs[64] = {
PPC::VSL0,  PPC::VSL1,  PPC::VSL2,  PPC::VSL3,
PPC::VSL4,  PPC::VSL5,  PPC::VSL6,  PPC::VSL7,
PPC::VSL8,  PPC::VSL9,  PPC::VSL10, PPC::VSL11,
PPC::VSL12, PPC::VSL13, PPC::VSL14, PPC::VSL15,
PPC::VSL16, PPC::VSL17, PPC::VSL18, PPC::VSL19,
PPC::VSL20, PPC::VSL21, PPC::VSL22, PPC::VSL23,
PPC::VSL24, PPC::VSL25, PPC::VSL26, PPC::VSL27,
PPC::VSL28, PPC::VSL29, PPC::VSL30, PPC::VSL31,

PPC::V0,  PPC::V1,  PPC::V2,  PPC::V3,
PPC::V4,  PPC::V5,  PPC::V6,  PPC::V7,
PPC::V8,  PPC::V9,  PPC::V10, PPC::V11,
PPC::V12, PPC::V13, PPC::V14, PPC::V15,
PPC::V16, PPC::V17, PPC::V18, PPC::V19,
PPC::V20, PPC::V21, PPC::V22, PPC::V23,
PPC::V24, PPC::V25, PPC::V26, PPC::V27,
PPC::V28, PPC::V29, PPC::V30, PPC::V31
134};
135static const MCPhysReg VSFRegs[64] = {
PPC::F0,  PPC::F1,  PPC::F2,  PPC::F3,
PPC::F4,  PPC::F5,  PPC::F6,  PPC::F7,
PPC::F8,  PPC::F9,  PPC::F10, PPC::F11,
PPC::F12, PPC::F13, PPC::F14, PPC::F15,
PPC::F16, PPC::F17, PPC::F18, PPC::F19,
PPC::F20, PPC::F21, PPC::F22, PPC::F23,
PPC::F24, PPC::F25, PPC::F26, PPC::F27,
PPC::F28, PPC::F29, PPC::F30, PPC::F31,

PPC::VF0,  PPC::VF1,  PPC::VF2,  PPC::VF3,
PPC::VF4,  PPC::VF5,  PPC::VF6,  PPC::VF7,
PPC::VF8,  PPC::VF9,  PPC::VF10, PPC::VF11,
PPC::VF12, PPC::VF13, PPC::VF14, PPC::VF15,
PPC::VF16, PPC::VF17, PPC::VF18, PPC::VF19,
PPC::VF20, PPC::VF21, PPC::VF22, PPC::VF23,
PPC::VF24, PPC::VF25, PPC::VF26, PPC::VF27,
PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31
153};
154static const MCPhysReg VSSRegs[64] = {
PPC::F0,  PPC::F1,  PPC::F2,  PPC::F3,
PPC::F4,  PPC::F5,  PPC::F6,  PPC::F7,
PPC::F8,  PPC::F9,  PPC::F10, PPC::F11,
PPC::F12, PPC::F13, PPC::F14, PPC::F15,
PPC::F16, PPC::F17, PPC::F18, PPC::F19,
PPC::F20, PPC::F21, PPC::F22, PPC::F23,
PPC::F24, PPC::F25, PPC::F26, PPC::F27,
PPC::F28, PPC::F29, PPC::F30, PPC::F31,

PPC::VF0,  PPC::VF1,  PPC::VF2,  PPC::VF3,
PPC::VF4,  PPC::VF5,  PPC::VF6,  PPC::VF7,
PPC::VF8,  PPC::VF9,  PPC::VF10, PPC::VF11,
PPC::VF12, PPC::VF13, PPC::VF14, PPC::VF15,
PPC::VF16, PPC::VF17, PPC::VF18, PPC::VF19,
PPC::VF20, PPC::VF21, PPC::VF22, PPC::VF23,
PPC::VF24, PPC::VF25, PPC::VF26, PPC::VF27,
PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31
172};
173static unsigned QFRegs[32] = {
PPC::QF0,  PPC::QF1,  PPC::QF2,  PPC::QF3,
PPC::QF4,  PPC::QF5,  PPC::QF6,  PPC::QF7,
PPC::QF8,  PPC::QF9,  PPC::QF10, PPC::QF11,
PPC::QF12, PPC::QF13, PPC::QF14, PPC::QF15,
PPC::QF16, PPC::QF17, PPC::QF18, PPC::QF19,
PPC::QF20, PPC::QF21, PPC::QF22, PPC::QF23,
PPC::QF24, PPC::QF25, PPC::QF26, PPC::QF27,
PPC::QF28, PPC::QF29, PPC::QF30, PPC::QF31
182};
183static const MCPhysReg CRBITRegs[32] = {
PPC::CR0LT, PPC::CR0GT, PPC::CR0EQ, PPC::CR0UN,
PPC::CR1LT, PPC::CR1GT, PPC::CR1EQ, PPC::CR1UN,
PPC::CR2LT, PPC::CR2GT, PPC::CR2EQ, PPC::CR2UN,
PPC::CR3LT, PPC::CR3GT, PPC::CR3EQ, PPC::CR3UN,
PPC::CR4LT, PPC::CR4GT, PPC::CR4EQ, PPC::CR4UN,
PPC::CR5LT, PPC::CR5GT, PPC::CR5EQ, PPC::CR5UN,
PPC::CR6LT, PPC::CR6GT, PPC::CR6EQ, PPC::CR6UN,
PPC::CR7LT, PPC::CR7GT, PPC::CR7EQ, PPC::CR7UN
192};
193static const MCPhysReg CRRegs[8] = {
PPC::CR0, PPC::CR1, PPC::CR2, PPC::CR3,
PPC::CR4, PPC::CR5, PPC::CR6, PPC::CR7
196};

198// Evaluate an expression containing condition register
199// or condition register field symbols.  Returns positive
200// value on success, or -1 on error.
201static int64_t
202EvaluateCRExpr(const MCExpr *E) {
switch (E->getKind()) {
case MCExpr::Target:
  return -1;

case MCExpr::Constant: {
  int64_t Res = cast<MCConstantExpr>(E)->getValue();
  return Res < 0 ? -1 : Res;
}

case MCExpr::SymbolRef: {
  const MCSymbolRefExpr *SRE = cast<MCSymbolRefExpr>(E);
  StringRef Name = SRE->getSymbol().getName();

  if (Name == "lt") return 0;
  if (Name == "gt") return 1;
  if (Name == "eq") return 2;
  if (Name == "so") return 3;
  if (Name == "un") return 3;

  if (Name == "cr0") return 0;
  if (Name == "cr1") return 1;
  if (Name == "cr2") return 2;
  if (Name == "cr3") return 3;
  if (Name == "cr4") return 4;
  if (Name == "cr5") return 5;
  if (Name == "cr6") return 6;
  if (Name == "cr7") return 7;

  return -1;
}

case MCExpr::Unary:
  return -1;

case MCExpr::Binary: {
  const MCBinaryExpr *BE = cast<MCBinaryExpr>(E);
  int64_t LHSVal = EvaluateCRExpr(BE->getLHS());
  int64_t RHSVal = EvaluateCRExpr(BE->getRHS());
  int64_t Res;

  if (LHSVal < 0 || RHSVal < 0)
    return -1;

  switch (BE->getOpcode()) {
  default: return -1;
  case MCBinaryExpr::Add: Res = LHSVal + RHSVal; break;
  case MCBinaryExpr::Mul: Res = LHSVal * RHSVal; break;
  }

  return Res < 0 ? -1 : Res;
}
}

llvm_unreachable("Invalid expression kind!")::llvm::llvm_unreachable_internal("Invalid expression kind!",
 "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 256);
257}

259namespace {

261struct PPCOperand;

263class PPCAsmParser : public MCTargetAsmParser {
bool IsPPC64;
bool IsDarwin;

void Warning(SMLoc L, const Twine &Msg) { getParser().Warning(L, Msg); }

bool isPPC64() const { return IsPPC64; }
bool isDarwin() const { return IsDarwin; }

bool MatchRegisterName(unsigned &RegNo, int64_t &IntVal);

bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) override;

const MCExpr *ExtractModifierFromExpr(const MCExpr *E,
                                      PPCMCExpr::VariantKind &Variant);
const MCExpr *FixupVariantKind(const MCExpr *E);
bool ParseExpression(const MCExpr *&EVal);
bool ParseDarwinExpression(const MCExpr *&EVal);

bool ParseOperand(OperandVector &Operands);

bool ParseDirectiveWord(unsigned Size, AsmToken ID);
bool ParseDirectiveTC(unsigned Size, AsmToken ID);
bool ParseDirectiveMachine(SMLoc L);
bool ParseDarwinDirectiveMachine(SMLoc L);
bool ParseDirectiveAbiVersion(SMLoc L);
bool ParseDirectiveLocalEntry(SMLoc L);

bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
                             OperandVector &Operands, MCStreamer &Out,
                             uint64_t &ErrorInfo,
                             bool MatchingInlineAsm) override;

void ProcessInstruction(MCInst &Inst, const OperandVector &Ops);

/// @name Auto-generated Match Functions
/// {

301#define GET_ASSEMBLER_HEADER
302#include "PPCGenAsmMatcher.inc"

/// }


307public:
PPCAsmParser(const MCSubtargetInfo &STI, MCAsmParser &,
             const MCInstrInfo &MII, const MCTargetOptions &Options)
  : MCTargetAsmParser(Options, STI, MII) {
  // Check for 64-bit vs. 32-bit pointer mode.
  const Triple &TheTriple = STI.getTargetTriple();
  IsPPC64 = (TheTriple.getArch() == Triple::ppc64 ||
             TheTriple.getArch() == Triple::ppc64le);
  IsDarwin = TheTriple.isMacOSX();
  // Initialize the set of available features.
  setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
}

bool ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
                      SMLoc NameLoc, OperandVector &Operands) override;

bool ParseDirective(AsmToken DirectiveID) override;

unsigned validateTargetOperandClass(MCParsedAsmOperand &Op,
                                    unsigned Kind) override;

const MCExpr *applyModifierToExpr(const MCExpr *E,
                                  MCSymbolRefExpr::VariantKind,
                                  MCContext &Ctx) override;
331};

333/// PPCOperand - Instances of this class represent a parsed PowerPC machine
334/// instruction.
335struct PPCOperand : public MCParsedAsmOperand {
enum KindTy {
  Token,
  Immediate,
  ContextImmediate,
  Expression,
  TLSRegister
} Kind;

SMLoc StartLoc, EndLoc;
bool IsPPC64;

struct TokOp {
  const char *Data;
  unsigned Length;
};

struct ImmOp {
  int64_t Val;
};

struct ExprOp {
  const MCExpr *Val;
  int64_t CRVal;     // Cached result of EvaluateCRExpr(Val)
};

struct TLSRegOp {
  const MCSymbolRefExpr *Sym;
};

union {
  struct TokOp Tok;
  struct ImmOp Imm;
  struct ExprOp Expr;
  struct TLSRegOp TLSReg;
};

PPCOperand(KindTy K) : MCParsedAsmOperand(), Kind(K) {}
373public:
PPCOperand(const PPCOperand &o) : MCParsedAsmOperand() {
  Kind = o.Kind;
  StartLoc = o.StartLoc;
  EndLoc = o.EndLoc;
  IsPPC64 = o.IsPPC64;
  switch (Kind) {
  case Token:
    Tok = o.Tok;
    break;
  case Immediate:
  case ContextImmediate:
    Imm = o.Imm;
    break;
  case Expression:
    Expr = o.Expr;
    break;
  case TLSRegister:
    TLSReg = o.TLSReg;
    break;
  }
}

// Disable use of sized deallocation due to overallocation of PPCOperand
// objects in CreateTokenWithStringCopy.
void operator delete(void *p) { ::operator delete(p); }

/// getStartLoc - Get the location of the first token of this operand.
SMLoc getStartLoc() const override { return StartLoc; }

/// getEndLoc - Get the location of the last token of this operand.
SMLoc getEndLoc() const override { return EndLoc; }

/// getLocRange - Get the range between the first and last token of this
/// operand.
SMRange getLocRange() const { return SMRange(StartLoc, EndLoc); }

/// isPPC64 - True if this operand is for an instruction in 64-bit mode.
bool isPPC64() const { return IsPPC64; }

int64_t getImm() const {
  assert(Kind == Immediate && "Invalid access!")(static_cast <bool> (Kind == Immediate && "Invalid access!"
) ? void (0) : __assert_fail ("Kind == Immediate && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 414, __extension__ __PRETTY_FUNCTION__));
  return Imm.Val;
}
int64_t getImmS16Context() const {
  assert((Kind == Immediate || Kind == ContextImmediate) &&(static_cast <bool> ((Kind == Immediate || Kind == ContextImmediate
) && "Invalid access!") ? void (0) : __assert_fail ("(Kind == Immediate || Kind == ContextImmediate) && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 419, __extension__ __PRETTY_FUNCTION__))
         "Invalid access!")(static_cast <bool> ((Kind == Immediate || Kind == ContextImmediate
) && "Invalid access!") ? void (0) : __assert_fail ("(Kind == Immediate || Kind == ContextImmediate) && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 419, __extension__ __PRETTY_FUNCTION__));
  if (Kind == Immediate)
    return Imm.Val;
  return static_cast<int16_t>(Imm.Val);
}
int64_t getImmU16Context() const {
  assert((Kind == Immediate || Kind == ContextImmediate) &&(static_cast <bool> ((Kind == Immediate || Kind == ContextImmediate
) && "Invalid access!") ? void (0) : __assert_fail ("(Kind == Immediate || Kind == ContextImmediate) && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 426, __extension__ __PRETTY_FUNCTION__))
         "Invalid access!")(static_cast <bool> ((Kind == Immediate || Kind == ContextImmediate
) && "Invalid access!") ? void (0) : __assert_fail ("(Kind == Immediate || Kind == ContextImmediate) && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 426, __extension__ __PRETTY_FUNCTION__));
  return Imm.Val;
}

const MCExpr *getExpr() const {
  assert(Kind == Expression && "Invalid access!")(static_cast <bool> (Kind == Expression && "Invalid access!"
) ? void (0) : __assert_fail ("Kind == Expression && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 431, __extension__ __PRETTY_FUNCTION__));
  return Expr.Val;
}

int64_t getExprCRVal() const {
  assert(Kind == Expression && "Invalid access!")(static_cast <bool> (Kind == Expression && "Invalid access!"
) ? void (0) : __assert_fail ("Kind == Expression && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 436, __extension__ __PRETTY_FUNCTION__));
  return Expr.CRVal;
}

const MCExpr *getTLSReg() const {
  assert(Kind == TLSRegister && "Invalid access!")(static_cast <bool> (Kind == TLSRegister && "Invalid access!"
) ? void (0) : __assert_fail ("Kind == TLSRegister && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 441, __extension__ __PRETTY_FUNCTION__));
  return TLSReg.Sym;
}

unsigned getReg() const override {
  assert(isRegNumber() && "Invalid access!")(static_cast <bool> (isRegNumber() && "Invalid access!"
) ? void (0) : __assert_fail ("isRegNumber() && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 446, __extension__ __PRETTY_FUNCTION__));
  return (unsigned) Imm.Val;
}

unsigned getVSReg() const {
  assert(isVSRegNumber() && "Invalid access!")(static_cast <bool> (isVSRegNumber() && "Invalid access!"
) ? void (0) : __assert_fail ("isVSRegNumber() && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 451, __extension__ __PRETTY_FUNCTION__));
  return (unsigned) Imm.Val;
}

unsigned getCCReg() const {
  assert(isCCRegNumber() && "Invalid access!")(static_cast <bool> (isCCRegNumber() && "Invalid access!"
) ? void (0) : __assert_fail ("isCCRegNumber() && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 456, __extension__ __PRETTY_FUNCTION__));
  return (unsigned) (Kind == Immediate ? Imm.Val : Expr.CRVal);
}

unsigned getCRBit() const {
  assert(isCRBitNumber() && "Invalid access!")(static_cast <bool> (isCRBitNumber() && "Invalid access!"
) ? void (0) : __assert_fail ("isCRBitNumber() && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 461, __extension__ __PRETTY_FUNCTION__));
  return (unsigned) (Kind == Immediate ? Imm.Val : Expr.CRVal);
}

unsigned getCRBitMask() const {
  assert(isCRBitMask() && "Invalid access!")(static_cast <bool> (isCRBitMask() && "Invalid access!"
) ? void (0) : __assert_fail ("isCRBitMask() && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 466, __extension__ __PRETTY_FUNCTION__));
  return 7 - countTrailingZeros<uint64_t>(Imm.Val);
}

bool isToken() const override { return Kind == Token; }
bool isImm() const override {
  return Kind == Immediate || Kind == Expression;
}
bool isU1Imm() const { return Kind == Immediate && isUInt<1>(getImm()); }
bool isU2Imm() const { return Kind == Immediate && isUInt<2>(getImm()); }
bool isU3Imm() const { return Kind == Immediate && isUInt<3>(getImm()); }
bool isU4Imm() const { return Kind == Immediate && isUInt<4>(getImm()); }
bool isU5Imm() const { return Kind == Immediate && isUInt<5>(getImm()); }
bool isS5Imm() const { return Kind == Immediate && isInt<5>(getImm()); }
bool isU6Imm() const { return Kind == Immediate && isUInt<6>(getImm()); }
bool isU6ImmX2() const { return Kind == Immediate &&
                                isUInt<6>(getImm()) &&
                                (getImm() & 1) == 0; }
bool isU7Imm() const { return Kind == Immediate && isUInt<7>(getImm()); }
bool isU7ImmX4() const { return Kind == Immediate &&
                                isUInt<7>(getImm()) &&
                                (getImm() & 3) == 0; }
bool isU8Imm() const { return Kind == Immediate && isUInt<8>(getImm()); }
bool isU8ImmX8() const { return Kind == Immediate &&
                                isUInt<8>(getImm()) &&
                                (getImm() & 7) == 0; }

bool isU10Imm() const { return Kind == Immediate && isUInt<10>(getImm()); }
bool isU12Imm() const { return Kind == Immediate && isUInt<12>(getImm()); }
bool isU16Imm() const {
  switch (Kind) {
    case Expression:
      return true;
    case Immediate:
    case ContextImmediate:
      return isUInt<16>(getImmU16Context());
    default:
      return false;
  }
}
bool isS16Imm() const {
  switch (Kind) {
    case Expression:
      return true;
    case Immediate:
    case ContextImmediate:
      return isInt<16>(getImmS16Context());
    default:
      return false;
  }
}
bool isS16ImmX4() const { return Kind == Expression ||
                                 (Kind == Immediate && isInt<16>(getImm()) &&
                                  (getImm() & 3) == 0); }
bool isS16ImmX16() const { return Kind == Expression ||
                                  (Kind == Immediate && isInt<16>(getImm()) &&
                                   (getImm() & 15) == 0); }
bool isS17Imm() const {
  switch (Kind) {
    case Expression:
      return true;
    case Immediate:
    case ContextImmediate:
      return isInt<17>(getImmS16Context());
    default:
      return false;
  }
}
bool isTLSReg() const { return Kind == TLSRegister; }
bool isDirectBr() const {
  if (Kind == Expression)
    return true;
  if (Kind != Immediate)
    return false;
  // Operand must be 64-bit aligned, signed 27-bit immediate.
  if ((getImm() & 3) != 0)
    return false;
  if (isInt<26>(getImm()))
    return true;
  if (!IsPPC64) {
    // In 32-bit mode, large 32-bit quantities wrap around.
    if (isUInt<32>(getImm()) && isInt<26>(static_cast<int32_t>(getImm())))
      return true;
  }
  return false;
}
bool isCondBr() const { return Kind == Expression ||
                               (Kind == Immediate && isInt<16>(getImm()) &&
                                (getImm() & 3) == 0); }
bool isRegNumber() const { return Kind == Immediate && isUInt<5>(getImm()); }
bool isVSRegNumber() const {
  return Kind == Immediate && isUInt<6>(getImm());
}
bool isCCRegNumber() const { return (Kind == Expression
                                     && isUInt<3>(getExprCRVal())) ||
                                    (Kind == Immediate
                                     && isUInt<3>(getImm())); }
bool isCRBitNumber() const { return (Kind == Expression
                                     && isUInt<5>(getExprCRVal())) ||
                                    (Kind == Immediate
                                     && isUInt<5>(getImm())); }
bool isCRBitMask() const { return Kind == Immediate && isUInt<8>(getImm()) &&
                                  isPowerOf2_32(getImm()); }
bool isATBitsAsHint() const { return false; }
bool isMem() const override { return false; }
bool isReg() const override { return false; }

void addRegOperands(MCInst &Inst, unsigned N) const {
  llvm_unreachable("addRegOperands")::llvm::llvm_unreachable_internal("addRegOperands", "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 574);
}

void addRegGPRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 578, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(RRegs[getReg()]));
}

void addRegGPRCNoR0Operands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 583, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(RRegsNoR0[getReg()]));
}

void addRegG8RCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 588, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(XRegs[getReg()]));
}

void addRegG8RCNoX0Operands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 593, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(XRegsNoX0[getReg()]));
}

void addRegGxRCOperands(MCInst &Inst, unsigned N) const {
  if (isPPC64())
    addRegG8RCOperands(Inst, N);
  else
    addRegGPRCOperands(Inst, N);
}

void addRegGxRCNoR0Operands(MCInst &Inst, unsigned N) const {
  if (isPPC64())
    addRegG8RCNoX0Operands(Inst, N);
  else
    addRegGPRCNoR0Operands(Inst, N);
}

void addRegF4RCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 612, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(FRegs[getReg()]));
}

void addRegF8RCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 617, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(FRegs[getReg()]));
}

void addRegVFRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 622, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(VFRegs[getReg()]));
}

void addRegVRRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 627, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(VRegs[getReg()]));
}

void addRegVSRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 632, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(VSRegs[getVSReg()]));
}

void addRegVSFRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 637, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(VSFRegs[getVSReg()]));
}

void addRegVSSRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 642, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(VSSRegs[getVSReg()]));
}

void addRegQFRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 647, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(QFRegs[getReg()]));
}

void addRegQSRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 652, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(QFRegs[getReg()]));
}

void addRegQBRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 657, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(QFRegs[getReg()]));
}

void addRegSPE4RCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 662, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(RRegs[getReg()]));
}

void addRegSPERCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 667, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(SPERegs[getReg()]));
}

void addRegCRBITRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 672, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(CRBITRegs[getCRBit()]));
}

void addRegCRRCOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 677, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(CRRegs[getCCReg()]));
}

void addCRBitMaskOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 682, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createReg(CRRegs[getCRBitMask()]));
}

void addImmOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 687, __extension__ __PRETTY_FUNCTION__));
  if (Kind == Immediate)
    Inst.addOperand(MCOperand::createImm(getImm()));
  else
    Inst.addOperand(MCOperand::createExpr(getExpr()));
}

void addS16ImmOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 695, __extension__ __PRETTY_FUNCTION__));
  switch (Kind) {
    case Immediate:
      Inst.addOperand(MCOperand::createImm(getImm()));
      break;
    case ContextImmediate:
      Inst.addOperand(MCOperand::createImm(getImmS16Context()));
      break;
    default:
      Inst.addOperand(MCOperand::createExpr(getExpr()));
      break;
  }
}

void addU16ImmOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 710, __extension__ __PRETTY_FUNCTION__));
  switch (Kind) {
    case Immediate:
      Inst.addOperand(MCOperand::createImm(getImm()));
      break;
    case ContextImmediate:
      Inst.addOperand(MCOperand::createImm(getImmU16Context()));
      break;
    default:
      Inst.addOperand(MCOperand::createExpr(getExpr()));
      break;
  }
}

void addBranchTargetOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 725, __extension__ __PRETTY_FUNCTION__));
  if (Kind == Immediate)
    Inst.addOperand(MCOperand::createImm(getImm() / 4));
  else
    Inst.addOperand(MCOperand::createExpr(getExpr()));
}

void addTLSRegOperands(MCInst &Inst, unsigned N) const {
  assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!"
) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 733, __extension__ __PRETTY_FUNCTION__));
  Inst.addOperand(MCOperand::createExpr(getTLSReg()));
}

StringRef getToken() const {
  assert(Kind == Token && "Invalid access!")(static_cast <bool> (Kind == Token && "Invalid access!"
) ? void (0) : __assert_fail ("Kind == Token && \"Invalid access!\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 738, __extension__ __PRETTY_FUNCTION__));
  return StringRef(Tok.Data, Tok.Length);
}

void print(raw_ostream &OS) const override;

static std::unique_ptr<PPCOperand> CreateToken(StringRef Str, SMLoc S,
                                               bool IsPPC64) {
  auto Op = make_unique<PPCOperand>(Token);
  Op->Tok.Data = Str.data();
  Op->Tok.Length = Str.size();
  Op->StartLoc = S;
  Op->EndLoc = S;
  Op->IsPPC64 = IsPPC64;
  return Op;
}

static std::unique_ptr<PPCOperand>
CreateTokenWithStringCopy(StringRef Str, SMLoc S, bool IsPPC64) {
  // Allocate extra memory for the string and copy it.
  // FIXME: This is incorrect, Operands are owned by unique_ptr with a default
  // deleter which will destroy them by simply using "delete", not correctly
  // calling operator delete on this extra memory after calling the dtor
  // explicitly.
  void *Mem = ::operator new(sizeof(PPCOperand) + Str.size());
  std::unique_ptr<PPCOperand> Op(new (Mem) PPCOperand(Token));
  Op->Tok.Data = reinterpret_cast<const char *>(Op.get() + 1);
  Op->Tok.Length = Str.size();
  std::memcpy(const_cast<char *>(Op->Tok.Data), Str.data(), Str.size());
  Op->StartLoc = S;
  Op->EndLoc = S;
  Op->IsPPC64 = IsPPC64;
  return Op;
}

static std::unique_ptr<PPCOperand> CreateImm(int64_t Val, SMLoc S, SMLoc E,
                                             bool IsPPC64) {
  auto Op = make_unique<PPCOperand>(Immediate);
  Op->Imm.Val = Val;
  Op->StartLoc = S;
  Op->EndLoc = E;
  Op->IsPPC64 = IsPPC64;
  return Op;
}

static std::unique_ptr<PPCOperand> CreateExpr(const MCExpr *Val, SMLoc S,
                                              SMLoc E, bool IsPPC64) {
  auto Op = make_unique<PPCOperand>(Expression);
  Op->Expr.Val = Val;
  Op->Expr.CRVal = EvaluateCRExpr(Val);
  Op->StartLoc = S;
  Op->EndLoc = E;
  Op->IsPPC64 = IsPPC64;
  return Op;
}

static std::unique_ptr<PPCOperand>
CreateTLSReg(const MCSymbolRefExpr *Sym, SMLoc S, SMLoc E, bool IsPPC64) {
  auto Op = make_unique<PPCOperand>(TLSRegister);
  Op->TLSReg.Sym = Sym;
  Op->StartLoc = S;
  Op->EndLoc = E;
  Op->IsPPC64 = IsPPC64;
  return Op;
}

static std::unique_ptr<PPCOperand>
CreateContextImm(int64_t Val, SMLoc S, SMLoc E, bool IsPPC64) {
  auto Op = make_unique<PPCOperand>(ContextImmediate);
  Op->Imm.Val = Val;
  Op->StartLoc = S;
  Op->EndLoc = E;
  Op->IsPPC64 = IsPPC64;
  return Op;
}

static std::unique_ptr<PPCOperand>
CreateFromMCExpr(const MCExpr *Val, SMLoc S, SMLoc E, bool IsPPC64) {
  if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Val))
    return CreateImm(CE->getValue(), S, E, IsPPC64);

  if (const MCSymbolRefExpr *SRE = dyn_cast<MCSymbolRefExpr>(Val))
    if (SRE->getKind() == MCSymbolRefExpr::VK_PPC_TLS)
      return CreateTLSReg(SRE, S, E, IsPPC64);

  if (const PPCMCExpr *TE = dyn_cast<PPCMCExpr>(Val)) {
    int64_t Res;
    if (TE->evaluateAsConstant(Res))
      return CreateContextImm(Res, S, E, IsPPC64);
  }

  return CreateExpr(Val, S, E, IsPPC64);
}
831};

833} // end anonymous namespace.

835void PPCOperand::print(raw_ostream &OS) const {
switch (Kind) {
case Token:
  OS << "'" << getToken() << "'";
  break;
case Immediate:
case ContextImmediate:
  OS << getImm();
  break;
case Expression:
  OS << *getExpr();
  break;
case TLSRegister:
  OS << *getTLSReg();
  break;
}
851}

853static void
854addNegOperand(MCInst &Inst, MCOperand &Op, MCContext &Ctx) {
if (Op.isImm()) {
  Inst.addOperand(MCOperand::createImm(-Op.getImm()));
  return;
}
const MCExpr *Expr = Op.getExpr();
if (const MCUnaryExpr *UnExpr = dyn_cast<MCUnaryExpr>(Expr)) {
  if (UnExpr->getOpcode() == MCUnaryExpr::Minus) {
    Inst.addOperand(MCOperand::createExpr(UnExpr->getSubExpr()));
    return;
  }
} else if (const MCBinaryExpr *BinExpr = dyn_cast<MCBinaryExpr>(Expr)) {
  if (BinExpr->getOpcode() == MCBinaryExpr::Sub) {
    const MCExpr *NE = MCBinaryExpr::createSub(BinExpr->getRHS(),
                                               BinExpr->getLHS(), Ctx);
    Inst.addOperand(MCOperand::createExpr(NE));
    return;
  }
}
Inst.addOperand(MCOperand::createExpr(MCUnaryExpr::createMinus(Expr, Ctx)));
874}

876void PPCAsmParser::ProcessInstruction(MCInst &Inst,
                                    const OperandVector &Operands) {
int Opcode = Inst.getOpcode();
switch (Opcode) {
case PPC::DCBTx:
case PPC::DCBTT:
case PPC::DCBTSTx:
case PPC::DCBTSTT: {
  MCInst TmpInst;
  TmpInst.setOpcode((Opcode == PPC::DCBTx || Opcode == PPC::DCBTT) ?
                    PPC::DCBT : PPC::DCBTST);
  TmpInst.addOperand(MCOperand::createImm(
    (Opcode == PPC::DCBTx || Opcode == PPC::DCBTSTx) ? 0 : 16));
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  Inst = TmpInst;
  break;
}
case PPC::DCBTCT:
case PPC::DCBTDS: {
  MCInst TmpInst;
  TmpInst.setOpcode(PPC::DCBT);
  TmpInst.addOperand(Inst.getOperand(2));
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  Inst = TmpInst;
  break;
}
case PPC::DCBTSTCT:
case PPC::DCBTSTDS: {
  MCInst TmpInst;
  TmpInst.setOpcode(PPC::DCBTST);
  TmpInst.addOperand(Inst.getOperand(2));
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  Inst = TmpInst;
  break;
}
case PPC::DCBFx:
case PPC::DCBFL:
case PPC::DCBFLP: {
  int L = 0;
  if (Opcode == PPC::DCBFL)
    L = 1;
  else if (Opcode == PPC::DCBFLP)
    L = 3;

  MCInst TmpInst;
  TmpInst.setOpcode(PPC::DCBF);
  TmpInst.addOperand(MCOperand::createImm(L));
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  Inst = TmpInst;
  break;
}
case PPC::LAx: {
  MCInst TmpInst;
  TmpInst.setOpcode(PPC::LA);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(2));
  TmpInst.addOperand(Inst.getOperand(1));
  Inst = TmpInst;
  break;
}
case PPC::SUBI: {
  MCInst TmpInst;
  TmpInst.setOpcode(PPC::ADDI);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  addNegOperand(TmpInst, Inst.getOperand(2), getContext());
  Inst = TmpInst;
  break;
}
case PPC::SUBIS: {
  MCInst TmpInst;
  TmpInst.setOpcode(PPC::ADDIS);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  addNegOperand(TmpInst, Inst.getOperand(2), getContext());
  Inst = TmpInst;
  break;
}
case PPC::SUBIC: {
  MCInst TmpInst;
  TmpInst.setOpcode(PPC::ADDIC);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  addNegOperand(TmpInst, Inst.getOperand(2), getContext());
  Inst = TmpInst;
  break;
}
case PPC::SUBICo: {
  MCInst TmpInst;
  TmpInst.setOpcode(PPC::ADDICo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  addNegOperand(TmpInst, Inst.getOperand(2), getContext());
  Inst = TmpInst;
  break;
}
case PPC::EXTLWI:
case PPC::EXTLWIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  int64_t B = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::EXTLWI? PPC::RLWINM : PPC::RLWINMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(B));
  TmpInst.addOperand(MCOperand::createImm(0));
  TmpInst.addOperand(MCOperand::createImm(N - 1));
  Inst = TmpInst;
  break;
}
case PPC::EXTRWI:
case PPC::EXTRWIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  int64_t B = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::EXTRWI? PPC::RLWINM : PPC::RLWINMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(B + N));
  TmpInst.addOperand(MCOperand::createImm(32 - N));
  TmpInst.addOperand(MCOperand::createImm(31));
  Inst = TmpInst;
  break;
}
case PPC::INSLWI:
case PPC::INSLWIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  int64_t B = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::INSLWI? PPC::RLWIMI : PPC::RLWIMIo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(32 - B));
  TmpInst.addOperand(MCOperand::createImm(B));
  TmpInst.addOperand(MCOperand::createImm((B + N) - 1));
  Inst = TmpInst;
  break;
}
case PPC::INSRWI:
case PPC::INSRWIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  int64_t B = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::INSRWI? PPC::RLWIMI : PPC::RLWIMIo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(32 - (B + N)));
  TmpInst.addOperand(MCOperand::createImm(B));
  TmpInst.addOperand(MCOperand::createImm((B + N) - 1));
  Inst = TmpInst;
  break;
}
case PPC::ROTRWI:
case PPC::ROTRWIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  TmpInst.setOpcode(Opcode == PPC::ROTRWI? PPC::RLWINM : PPC::RLWINMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(32 - N));
  TmpInst.addOperand(MCOperand::createImm(0));
  TmpInst.addOperand(MCOperand::createImm(31));
  Inst = TmpInst;
  break;
}
case PPC::SLWI:
case PPC::SLWIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  TmpInst.setOpcode(Opcode == PPC::SLWI? PPC::RLWINM : PPC::RLWINMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(N));
  TmpInst.addOperand(MCOperand::createImm(0));
  TmpInst.addOperand(MCOperand::createImm(31 - N));
  Inst = TmpInst;
  break;
}
case PPC::SRWI:
case PPC::SRWIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  TmpInst.setOpcode(Opcode == PPC::SRWI? PPC::RLWINM : PPC::RLWINMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(32 - N));
  TmpInst.addOperand(MCOperand::createImm(N));
  TmpInst.addOperand(MCOperand::createImm(31));
  Inst = TmpInst;
  break;
}
case PPC::CLRRWI:
case PPC::CLRRWIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  TmpInst.setOpcode(Opcode == PPC::CLRRWI? PPC::RLWINM : PPC::RLWINMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(0));
  TmpInst.addOperand(MCOperand::createImm(0));
  TmpInst.addOperand(MCOperand::createImm(31 - N));
  Inst = TmpInst;
  break;
}
case PPC::CLRLSLWI:
case PPC::CLRLSLWIo: {
  MCInst TmpInst;
  int64_t B = Inst.getOperand(2).getImm();
  int64_t N = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::CLRLSLWI? PPC::RLWINM : PPC::RLWINMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(N));
  TmpInst.addOperand(MCOperand::createImm(B - N));
  TmpInst.addOperand(MCOperand::createImm(31 - N));
  Inst = TmpInst;
  break;
}
case PPC::EXTLDI:
case PPC::EXTLDIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  int64_t B = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::EXTLDI? PPC::RLDICR : PPC::RLDICRo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(B));
  TmpInst.addOperand(MCOperand::createImm(N - 1));
  Inst = TmpInst;
  break;
}
case PPC::EXTRDI:
case PPC::EXTRDIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  int64_t B = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::EXTRDI? PPC::RLDICL : PPC::RLDICLo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(B + N));
  TmpInst.addOperand(MCOperand::createImm(64 - N));
  Inst = TmpInst;
  break;
}
case PPC::INSRDI:
case PPC::INSRDIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  int64_t B = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::INSRDI? PPC::RLDIMI : PPC::RLDIMIo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(64 - (B + N)));
  TmpInst.addOperand(MCOperand::createImm(B));
  Inst = TmpInst;
  break;
}
case PPC::ROTRDI:
case PPC::ROTRDIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  TmpInst.setOpcode(Opcode == PPC::ROTRDI? PPC::RLDICL : PPC::RLDICLo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(64 - N));
  TmpInst.addOperand(MCOperand::createImm(0));
  Inst = TmpInst;
  break;
}
case PPC::SLDI:
case PPC::SLDIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  TmpInst.setOpcode(Opcode == PPC::SLDI? PPC::RLDICR : PPC::RLDICRo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(N));
  TmpInst.addOperand(MCOperand::createImm(63 - N));
  Inst = TmpInst;
  break;
}
case PPC::SUBPCIS: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(1).getImm();
  TmpInst.setOpcode(PPC::ADDPCIS);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(MCOperand::createImm(-N));
  Inst = TmpInst;
  break;
}
case PPC::SRDI:
case PPC::SRDIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  TmpInst.setOpcode(Opcode == PPC::SRDI? PPC::RLDICL : PPC::RLDICLo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(64 - N));
  TmpInst.addOperand(MCOperand::createImm(N));
  Inst = TmpInst;
  break;
}
case PPC::CLRRDI:
case PPC::CLRRDIo: {
  MCInst TmpInst;
  int64_t N = Inst.getOperand(2).getImm();
  TmpInst.setOpcode(Opcode == PPC::CLRRDI? PPC::RLDICR : PPC::RLDICRo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(0));
  TmpInst.addOperand(MCOperand::createImm(63 - N));
  Inst = TmpInst;
  break;
}
case PPC::CLRLSLDI:
case PPC::CLRLSLDIo: {
  MCInst TmpInst;
  int64_t B = Inst.getOperand(2).getImm();
  int64_t N = Inst.getOperand(3).getImm();
  TmpInst.setOpcode(Opcode == PPC::CLRLSLDI? PPC::RLDIC : PPC::RLDICo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(N));
  TmpInst.addOperand(MCOperand::createImm(B - N));
  Inst = TmpInst;
  break;
}
case PPC::RLWINMbm:
case PPC::RLWINMobm: {
  unsigned MB, ME;
  int64_t BM = Inst.getOperand(3).getImm();
  if (!isRunOfOnes(BM, MB, ME))
    break;

  MCInst TmpInst;
  TmpInst.setOpcode(Opcode == PPC::RLWINMbm ? PPC::RLWINM : PPC::RLWINMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(Inst.getOperand(2));
  TmpInst.addOperand(MCOperand::createImm(MB));
  TmpInst.addOperand(MCOperand::createImm(ME));
  Inst = TmpInst;
  break;
}
case PPC::RLWIMIbm:
case PPC::RLWIMIobm: {
  unsigned MB, ME;
  int64_t BM = Inst.getOperand(3).getImm();
  if (!isRunOfOnes(BM, MB, ME))
    break;

  MCInst TmpInst;
  TmpInst.setOpcode(Opcode == PPC::RLWIMIbm ? PPC::RLWIMI : PPC::RLWIMIo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(0)); // The tied operand.
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(Inst.getOperand(2));
  TmpInst.addOperand(MCOperand::createImm(MB));
  TmpInst.addOperand(MCOperand::createImm(ME));
  Inst = TmpInst;
  break;
}
case PPC::RLWNMbm:
case PPC::RLWNMobm: {
  unsigned MB, ME;
  int64_t BM = Inst.getOperand(3).getImm();
  if (!isRunOfOnes(BM, MB, ME))
    break;

  MCInst TmpInst;
  TmpInst.setOpcode(Opcode == PPC::RLWNMbm ? PPC::RLWNM : PPC::RLWNMo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(Inst.getOperand(2));
  TmpInst.addOperand(MCOperand::createImm(MB));
  TmpInst.addOperand(MCOperand::createImm(ME));
  Inst = TmpInst;
  break;
}
case PPC::MFTB: {
  if (getSTI().getFeatureBits()[PPC::FeatureMFTB]) {
    assert(Inst.getNumOperands() == 2 && "Expecting two operands")(static_cast <bool> (Inst.getNumOperands() == 2 &&
 "Expecting two operands") ? void (0) : __assert_fail ("Inst.getNumOperands() == 2 && \"Expecting two operands\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 1264, __extension__ __PRETTY_FUNCTION__));
    Inst.setOpcode(PPC::MFSPR);
  }
  break;
}
case PPC::CP_COPYx:
case PPC::CP_COPY_FIRST: {
  MCInst TmpInst;
  TmpInst.setOpcode(PPC::CP_COPY);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(Opcode == PPC::CP_COPYx ? 0 : 1));

  Inst = TmpInst;
  break;
}
case PPC::CP_PASTEx :
case PPC::CP_PASTE_LAST: {
  MCInst TmpInst;
  TmpInst.setOpcode(Opcode == PPC::CP_PASTEx ?
                    PPC::CP_PASTE : PPC::CP_PASTEo);
  TmpInst.addOperand(Inst.getOperand(0));
  TmpInst.addOperand(Inst.getOperand(1));
  TmpInst.addOperand(MCOperand::createImm(Opcode == PPC::CP_PASTEx ? 0 : 1));

  Inst = TmpInst;
  break;
}
}
1293}

1295static std::string PPCMnemonicSpellCheck(StringRef S, uint64_t FBS,
                                       unsigned VariantID = 0);

1298bool PPCAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
                                         OperandVector &Operands,
                                         MCStreamer &Out, uint64_t &ErrorInfo,
                                         bool MatchingInlineAsm) {
MCInst Inst;

switch (MatchInstructionImpl(Operands, Inst, ErrorInfo, MatchingInlineAsm)) {
case Match_Success:
  // Post-process instructions (typically extended mnemonics)
  ProcessInstruction(Inst, Operands);
  Inst.setLoc(IDLoc);
  Out.EmitInstruction(Inst, getSTI());
  return false;
case Match_MissingFeature:
  return Error(IDLoc, "instruction use requires an option to be enabled");
case Match_MnemonicFail: {
  uint64_t FBS = ComputeAvailableFeatures(getSTI().getFeatureBits());
  std::string Suggestion = PPCMnemonicSpellCheck(
      ((PPCOperand &)*Operands[0]).getToken(), FBS);
  return Error(IDLoc, "invalid instruction" + Suggestion,
               ((PPCOperand &)*Operands[0]).getLocRange());
}
case Match_InvalidOperand: {
  SMLoc ErrorLoc = IDLoc;
  if (ErrorInfo != ~0ULL) {
    if (ErrorInfo >= Operands.size())
      return Error(IDLoc, "too few operands for instruction");

    ErrorLoc = ((PPCOperand &)*Operands[ErrorInfo]).getStartLoc();
    if (ErrorLoc == SMLoc()) ErrorLoc = IDLoc;
  }

  return Error(ErrorLoc, "invalid operand for instruction");
}
}

llvm_unreachable("Implement any new match types added!")::llvm::llvm_unreachable_internal("Implement any new match types added!"
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 1334);
1335}

1337bool PPCAsmParser::MatchRegisterName(unsigned &RegNo, int64_t &IntVal) {
if (getParser().getTok().is(AsmToken::Identifier)) {
  StringRef Name = getParser().getTok().getString();
  if (Name.equals_lower("lr")) {
    RegNo = isPPC64()? PPC::LR8 : PPC::LR;
    IntVal = 8;
  } else if (Name.equals_lower("ctr")) {
    RegNo = isPPC64()? PPC::CTR8 : PPC::CTR;
    IntVal = 9;
  } else if (Name.equals_lower("vrsave")) {
    RegNo = PPC::VRSAVE;
    IntVal = 256;
  } else if (Name.startswith_lower("r") &&
             !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) {
    RegNo = isPPC64()? XRegs[IntVal] : RRegs[IntVal];
  } else if (Name.startswith_lower("f") &&
             !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) {
    RegNo = FRegs[IntVal];
  } else if (Name.startswith_lower("vs") &&
             !Name.substr(2).getAsInteger(10, IntVal) && IntVal < 64) {
    RegNo = VSRegs[IntVal];
  } else if (Name.startswith_lower("v") &&
             !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) {
    RegNo = VRegs[IntVal];
  } else if (Name.startswith_lower("q") &&
             !Name.substr(1).getAsInteger(10, IntVal) && IntVal < 32) {
    RegNo = QFRegs[IntVal];
  } else if (Name.startswith_lower("cr") &&
             !Name.substr(2).getAsInteger(10, IntVal) && IntVal < 8) {
    RegNo = CRRegs[IntVal];
  } else
    return true;
  getParser().Lex();
  return false;
}
return true;
1373}

1375bool PPCAsmParser::
1376ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) {
const AsmToken &Tok = getParser().getTok();
StartLoc = Tok.getLoc();
EndLoc = Tok.getEndLoc();
RegNo = 0;
int64_t IntVal;
if (MatchRegisterName(RegNo, IntVal))
  return TokError("invalid register name");
return false;
1385}

1387/// Extract \code @l/@ha \endcode modifier from expression.  Recursively scan
1388/// the expression and check for VK_PPC_LO/HI/HA
1389/// symbol variants.  If all symbols with modifier use the same
1390/// variant, return the corresponding PPCMCExpr::VariantKind,
1391/// and a modified expression using the default symbol variant.
1392/// Otherwise, return NULL.
1393const MCExpr *PPCAsmParser::
1394ExtractModifierFromExpr(const MCExpr *E,
                      PPCMCExpr::VariantKind &Variant) {
MCContext &Context = getParser().getContext();
Variant = PPCMCExpr::VK_PPC_None;

switch (E->getKind()) {
case MCExpr::Target:
case MCExpr::Constant:
  return nullptr;

case MCExpr::SymbolRef: {
  const MCSymbolRefExpr *SRE = cast<MCSymbolRefExpr>(E);

  switch (SRE->getKind()) {
  case MCSymbolRefExpr::VK_PPC_LO:
    Variant = PPCMCExpr::VK_PPC_LO;
    break;
  case MCSymbolRefExpr::VK_PPC_HI:
    Variant = PPCMCExpr::VK_PPC_HI;
    break;
  case MCSymbolRefExpr::VK_PPC_HA:
    Variant = PPCMCExpr::VK_PPC_HA;
    break;
  case MCSymbolRefExpr::VK_PPC_HIGH:
    Variant = PPCMCExpr::VK_PPC_HIGH;
    break;
  case MCSymbolRefExpr::VK_PPC_HIGHA:
    Variant = PPCMCExpr::VK_PPC_HIGHA;
    break;
  case MCSymbolRefExpr::VK_PPC_HIGHER:
    Variant = PPCMCExpr::VK_PPC_HIGHER;
    break;
  case MCSymbolRefExpr::VK_PPC_HIGHERA:
    Variant = PPCMCExpr::VK_PPC_HIGHERA;
    break;
  case MCSymbolRefExpr::VK_PPC_HIGHEST:
    Variant = PPCMCExpr::VK_PPC_HIGHEST;
    break;
  case MCSymbolRefExpr::VK_PPC_HIGHESTA:
    Variant = PPCMCExpr::VK_PPC_HIGHESTA;
    break;
  default:
    return nullptr;
  }

  return MCSymbolRefExpr::create(&SRE->getSymbol(), Context);
}

case MCExpr::Unary: {
  const MCUnaryExpr *UE = cast<MCUnaryExpr>(E);
  const MCExpr *Sub = ExtractModifierFromExpr(UE->getSubExpr(), Variant);
  if (!Sub)
    return nullptr;
  return MCUnaryExpr::create(UE->getOpcode(), Sub, Context);
}

case MCExpr::Binary: {
  const MCBinaryExpr *BE = cast<MCBinaryExpr>(E);
  PPCMCExpr::VariantKind LHSVariant, RHSVariant;
  const MCExpr *LHS = ExtractModifierFromExpr(BE->getLHS(), LHSVariant);
  const MCExpr *RHS = ExtractModifierFromExpr(BE->getRHS(), RHSVariant);

  if (!LHS && !RHS)
    return nullptr;

  if (!LHS) LHS = BE->getLHS();
  if (!RHS) RHS = BE->getRHS();

  if (LHSVariant == PPCMCExpr::VK_PPC_None)
    Variant = RHSVariant;
  else if (RHSVariant == PPCMCExpr::VK_PPC_None)
    Variant = LHSVariant;
  else if (LHSVariant == RHSVariant)
    Variant = LHSVariant;
  else
    return nullptr;

  return MCBinaryExpr::create(BE->getOpcode(), LHS, RHS, Context);
}
}

llvm_unreachable("Invalid expression kind!")::llvm::llvm_unreachable_internal("Invalid expression kind!",
 "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 1475);
1476}

1478/// Find all VK_TLSGD/VK_TLSLD symbol references in expression and replace
1479/// them by VK_PPC_TLSGD/VK_PPC_TLSLD.  This is necessary to avoid having
1480/// _GLOBAL_OFFSET_TABLE_ created via ELFObjectWriter::RelocNeedsGOT.
1481/// FIXME: This is a hack.
1482const MCExpr *PPCAsmParser::
1483FixupVariantKind(const MCExpr *E) {
MCContext &Context = getParser().getContext();

switch (E->getKind()) {
case MCExpr::Target:
case MCExpr::Constant:
  return E;

case MCExpr::SymbolRef: {
  const MCSymbolRefExpr *SRE = cast<MCSymbolRefExpr>(E);
  MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;

  switch (SRE->getKind()) {
  case MCSymbolRefExpr::VK_TLSGD:
    Variant = MCSymbolRefExpr::VK_PPC_TLSGD;
    break;
  case MCSymbolRefExpr::VK_TLSLD:
    Variant = MCSymbolRefExpr::VK_PPC_TLSLD;
    break;
  default:
    return E;
  }
  return MCSymbolRefExpr::create(&SRE->getSymbol(), Variant, Context);
}

case MCExpr::Unary: {
  const MCUnaryExpr *UE = cast<MCUnaryExpr>(E);
  const MCExpr *Sub = FixupVariantKind(UE->getSubExpr());
  if (Sub == UE->getSubExpr())
    return E;
  return MCUnaryExpr::create(UE->getOpcode(), Sub, Context);
}

case MCExpr::Binary: {
  const MCBinaryExpr *BE = cast<MCBinaryExpr>(E);
  const MCExpr *LHS = FixupVariantKind(BE->getLHS());
  const MCExpr *RHS = FixupVariantKind(BE->getRHS());
  if (LHS == BE->getLHS() && RHS == BE->getRHS())
    return E;
  return MCBinaryExpr::create(BE->getOpcode(), LHS, RHS, Context);
}
}

llvm_unreachable("Invalid expression kind!")::llvm::llvm_unreachable_internal("Invalid expression kind!",
 "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 1526);
1527}

1529/// ParseExpression.  This differs from the default "parseExpression" in that
1530/// it handles modifiers.
1531bool PPCAsmParser::
1532ParseExpression(const MCExpr *&EVal) {

if (isDarwin())
27
←
Taking true branch→
  return ParseDarwinExpression(EVal);
28
←
Calling 'PPCAsmParser::ParseDarwinExpression'→
35
←
Returning from 'PPCAsmParser::ParseDarwinExpression'→
36
←
Returning without writing to 'EVal'→

// (ELF Platforms)
// Handle \code @l/@ha \endcode
if (getParser().parseExpression(EVal))
  return true;

EVal = FixupVariantKind(EVal);

PPCMCExpr::VariantKind Variant;
const MCExpr *E = ExtractModifierFromExpr(EVal, Variant);
if (E)
  EVal = PPCMCExpr::create(Variant, E, false, getParser().getContext());

return false;
1550}

1552/// ParseDarwinExpression.  (MachO Platforms)
1553/// This differs from the default "parseExpression" in that it handles detection
1554/// of the \code hi16(), ha16() and lo16() \endcode modifiers.  At present,
1555/// parseExpression() doesn't recognise the modifiers when in the Darwin/MachO
1556/// syntax form so it is done here.  TODO: Determine if there is merit in
1557/// arranging for this to be done at a higher level.
1558bool PPCAsmParser::
1559ParseDarwinExpression(const MCExpr *&EVal) {
MCAsmParser &Parser = getParser();
PPCMCExpr::VariantKind Variant = PPCMCExpr::VK_PPC_None;
switch (getLexer().getKind()) {
29
←
Control jumps to 'case Identifier:'  at line 1565→
default:
  break;
case AsmToken::Identifier:
  // Compiler-generated Darwin identifiers begin with L,l,_ or "; thus
  // something starting with any other char should be part of the
  // asm syntax.  If handwritten asm includes an identifier like lo16,
  // then all bets are off - but no-one would do that, right?
  StringRef poss = Parser.getTok().getString();
  if (poss.equals_lower("lo16")) {
30
←
Assuming the condition is true→
31
←
Taking true branch→
    Variant = PPCMCExpr::VK_PPC_LO;
  } else if (poss.equals_lower("hi16")) {
    Variant = PPCMCExpr::VK_PPC_HI;
  } else if (poss.equals_lower("ha16")) {
    Variant = PPCMCExpr::VK_PPC_HA;
  }
  if (Variant != PPCMCExpr::VK_PPC_None) {
32
←
Taking true branch→
    Parser.Lex(); // Eat the xx16
    if (getLexer().isNot(AsmToken::LParen))
33
←
Taking true branch→
      return Error(Parser.getTok().getLoc(), "expected '('");
34
←
Returning without writing to 'EVal'→
    Parser.Lex(); // Eat the '('
  }
  break;
}

if (getParser().parseExpression(EVal))
  return true;

if (Variant != PPCMCExpr::VK_PPC_None) {
  if (getLexer().isNot(AsmToken::RParen))
    return Error(Parser.getTok().getLoc(), "expected ')'");
  Parser.Lex(); // Eat the ')'
  EVal = PPCMCExpr::create(Variant, EVal, false, getParser().getContext());
}
return false;
1597}

1599/// ParseOperand
1600/// This handles registers in the form 'NN', '%rNN' for ELF platforms and
1601/// rNN for MachO.
1602bool PPCAsmParser::ParseOperand(OperandVector &Operands) {
MCAsmParser &Parser = getParser();
SMLoc S = Parser.getTok().getLoc();
SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1);
const MCExpr *EVal;

// Attempt to parse the next token as an immediate
switch (getLexer().getKind()) {
16
←
Control jumps to 'case Tilde:'  at line 1630→
// Special handling for register names.  These are interpreted
// as immediates corresponding to the register number.
case AsmToken::Percent:
  Parser.Lex(); // Eat the '%'.
  unsigned RegNo;
  int64_t IntVal;
  if (MatchRegisterName(RegNo, IntVal))
    return Error(S, "invalid register name");

  Operands.push_back(PPCOperand::CreateImm(IntVal, S, E, isPPC64()));
  return false;

case AsmToken::Identifier:
case AsmToken::LParen:
case AsmToken::Plus:
case AsmToken::Minus:
case AsmToken::Integer:
case AsmToken::Dot:
case AsmToken::Dollar:
case AsmToken::Exclaim:
case AsmToken::Tilde:
  // Note that non-register-name identifiers from the compiler will begin
  // with '_', 'L'/'l' or '"'.  Of course, handwritten asm could include
  // identifiers like r31foo - so we fall through in the event that parsing
  // a register name fails.
  if (isDarwin()) {
17
←
Taking true branch→
    unsigned RegNo;
    int64_t IntVal;
    if (!MatchRegisterName(RegNo, IntVal)) {
18
←
Taking false branch→
      Operands.push_back(PPCOperand::CreateImm(IntVal, S, E, isPPC64()));
      return false;
    }
  }
  // All other expressions

  if (!ParseExpression(EVal))
19
←
Taking true branch→
    break;
20
←
 Execution continues on line 1654→
  // Fall-through
  LLVM_FALLTHROUGH[[clang::fallthrough]];
default:
  return Error(S, "unknown operand");
}

// Push the parsed operand into the list of operands
Operands.push_back(PPCOperand::CreateFromMCExpr(EVal, S, E, isPPC64()));

// Check whether this is a TLS call expression
bool TLSCall = false;
if (const MCSymbolRefExpr *Ref = dyn_cast<MCSymbolRefExpr>(EVal))
21
←
Assuming 'Ref' is non-null→
22
←
Taking true branch→
  TLSCall = Ref->getSymbol().getName() == "__tls_get_addr";

if (TLSCall && getLexer().is(AsmToken::LParen)) {
23
←
Assuming 'TLSCall' is not equal to 0→
24
←
Taking true branch→
  const MCExpr *TLSSym;
25
←
'TLSSym' declared without an initial value→

  Parser.Lex(); // Eat the '('.
  S = Parser.getTok().getLoc();
  if (ParseExpression(TLSSym))
26
←
Calling 'PPCAsmParser::ParseExpression'→
37
←
Returning from 'PPCAsmParser::ParseExpression'→
38
←
Assuming the condition is false→
39
←
Taking false branch→
    return Error(S, "invalid TLS call expression");
  if (getLexer().isNot(AsmToken::RParen))
40
←
Taking false branch→
    return Error(Parser.getTok().getLoc(), "missing ')'");
  E = Parser.getTok().getLoc();
  Parser.Lex(); // Eat the ')'.

  Operands.push_back(PPCOperand::CreateFromMCExpr(TLSSym, S, E, isPPC64()));
41
←
1st function call argument is an uninitialized value
}

// Otherwise, check for D-form memory operands
if (!TLSCall && getLexer().is(AsmToken::LParen)) {
  Parser.Lex(); // Eat the '('.
  S = Parser.getTok().getLoc();

  int64_t IntVal;
  switch (getLexer().getKind()) {
  case AsmToken::Percent:
    Parser.Lex(); // Eat the '%'.
    unsigned RegNo;
    if (MatchRegisterName(RegNo, IntVal))
      return Error(S, "invalid register name");
    break;

  case AsmToken::Integer:
    if (isDarwin())
      return Error(S, "unexpected integer value");
    else if (getParser().parseAbsoluteExpression(IntVal) || IntVal < 0 ||
             IntVal > 31)
      return Error(S, "invalid register number");
    break;
 case AsmToken::Identifier:
  if (isDarwin()) {
    unsigned RegNo;
    if (!MatchRegisterName(RegNo, IntVal)) {
      break;
    }
  }
  LLVM_FALLTHROUGH[[clang::fallthrough]];

  default:
    return Error(S, "invalid memory operand");
  }

  E = Parser.getTok().getLoc();
  if (parseToken(AsmToken::RParen, "missing ')'"))
    return true;
  Operands.push_back(PPCOperand::CreateImm(IntVal, S, E, isPPC64()));
}

return false;
1717}

1719/// Parse an instruction mnemonic followed by its operands.
1720bool PPCAsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
                                  SMLoc NameLoc, OperandVector &Operands) {
// The first operand is the token for the instruction name.
// If the next character is a '+' or '-', we need to add it to the
// instruction name, to match what TableGen is doing.
std::string NewOpcode;
if (parseOptionalToken(AsmToken::Plus)) {
1
Assuming the condition is false→
2
←
Taking false branch→
  NewOpcode = Name;
  NewOpcode += '+';
  Name = NewOpcode;
}
if (parseOptionalToken(AsmToken::Minus)) {
3
←
Assuming the condition is false→
4
←
Taking false branch→
  NewOpcode = Name;
  NewOpcode += '-';
  Name = NewOpcode;
}
// If the instruction ends in a '.', we need to create a separate
// token for it, to match what TableGen is doing.
size_t Dot = Name.find('.');
StringRef Mnemonic = Name.slice(0, Dot);
if (!NewOpcode.empty()) // Underlying memory for Name is volatile.
5
←
Assuming the condition is false→
6
←
Taking false branch→
  Operands.push_back(
      PPCOperand::CreateTokenWithStringCopy(Mnemonic, NameLoc, isPPC64()));
else
  Operands.push_back(PPCOperand::CreateToken(Mnemonic, NameLoc, isPPC64()));
if (Dot != StringRef::npos) {
7
←
Assuming 'Dot' is equal to 'npos'→
8
←
Taking false branch→
  SMLoc DotLoc = SMLoc::getFromPointer(NameLoc.getPointer() + Dot);
  StringRef DotStr = Name.slice(Dot, StringRef::npos);
  if (!NewOpcode.empty()) // Underlying memory for Name is volatile.
    Operands.push_back(
        PPCOperand::CreateTokenWithStringCopy(DotStr, DotLoc, isPPC64()));
  else
    Operands.push_back(PPCOperand::CreateToken(DotStr, DotLoc, isPPC64()));
}

// If there are no more operands then finish
if (parseOptionalToken(AsmToken::EndOfStatement))
9
←
Assuming the condition is false→
10
←
Taking false branch→
  return false;

// Parse the first operand
if (ParseOperand(Operands))
11
←
Taking false branch→
  return true;

while (!parseOptionalToken(AsmToken::EndOfStatement)) {
12
←
Assuming the condition is true→
13
←
Loop condition is true.  Entering loop body→
  if (parseToken(AsmToken::Comma) || ParseOperand(Operands))
14
←
Assuming the condition is false→
15
←
Calling 'PPCAsmParser::ParseOperand'→
    return true;
}

// We'll now deal with an unfortunate special case: the syntax for the dcbt
// and dcbtst instructions differs for server vs. embedded cores.
//  The syntax for dcbt is:
//    dcbt ra, rb, th [server]
//    dcbt th, ra, rb [embedded]
//  where th can be omitted when it is 0. dcbtst is the same. We take the
//  server form to be the default, so swap the operands if we're parsing for
//  an embedded core (they'll be swapped again upon printing).
if (getSTI().getFeatureBits()[PPC::FeatureBookE] &&
    Operands.size() == 4 &&
    (Name == "dcbt" || Name == "dcbtst")) {
  std::swap(Operands[1], Operands[3]);
  std::swap(Operands[2], Operands[1]);
}

return false;
1784}

1786/// ParseDirective parses the PPC specific directives
1787bool PPCAsmParser::ParseDirective(AsmToken DirectiveID) {
StringRef IDVal = DirectiveID.getIdentifier();
if (isDarwin()) {
  if (IDVal == ".machine")
    ParseDarwinDirectiveMachine(DirectiveID.getLoc());
  else
    return true;
} else if (IDVal == ".word")
  ParseDirectiveWord(2, DirectiveID);
else if (IDVal == ".llong")
  ParseDirectiveWord(8, DirectiveID);
else if (IDVal == ".tc")
  ParseDirectiveTC(isPPC64() ? 8 : 4, DirectiveID);
else if (IDVal == ".machine")
  ParseDirectiveMachine(DirectiveID.getLoc());
else if (IDVal == ".abiversion")
  ParseDirectiveAbiVersion(DirectiveID.getLoc());
else if (IDVal == ".localentry")
  ParseDirectiveLocalEntry(DirectiveID.getLoc());
else
  return true;
return false;
1809}

1811/// ParseDirectiveWord
1812///  ::= .word [ expression (, expression)* ]
1813bool PPCAsmParser::ParseDirectiveWord(unsigned Size, AsmToken ID) {
auto parseOp = [&]() -> bool {
  const MCExpr *Value;
  SMLoc ExprLoc = getParser().getTok().getLoc();
  if (getParser().parseExpression(Value))
    return true;
  if (const auto *MCE = dyn_cast<MCConstantExpr>(Value)) {
    assert(Size <= 8 && "Invalid size")(static_cast <bool> (Size <= 8 && "Invalid size"
) ? void (0) : __assert_fail ("Size <= 8 && \"Invalid size\""
, "/build/llvm-toolchain-snapshot-7~svn338205/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp"
, 1820, __extension__ __PRETTY_FUNCTION__));
    uint64_t IntValue = MCE->getValue();
    if (!isUIntN(8 * Size, IntValue) && !isIntN(8 * Size, IntValue))
      return Error(ExprLoc, "literal value out of range for '" +
                                ID.getIdentifier() + "' directive");
    getStreamer().EmitIntValue(IntValue, Size);
  } else
    getStreamer().EmitValue(Value, Size, ExprLoc);
  return false;
};

if (parseMany(parseOp))
  return addErrorSuffix(" in '" + ID.getIdentifier() + "' directive");
return false;
1834}

1836/// ParseDirectiveTC
1837///  ::= .tc [ symbol (, expression)* ]
1838bool PPCAsmParser::ParseDirectiveTC(unsigned Size, AsmToken ID) {
MCAsmParser &Parser = getParser();
// Skip TC symbol, which is only used with XCOFF.
while (getLexer().isNot(AsmToken::EndOfStatement)
       && getLexer().isNot(AsmToken::Comma))
  Parser.Lex();
if (parseToken(AsmToken::Comma))
  return addErrorSuffix(" in '.tc' directive");

// Align to word size.
getParser().getStreamer().EmitValueToAlignment(Size);

// Emit expressions.
return ParseDirectiveWord(Size, ID);
1852}

1854/// ParseDirectiveMachine (ELF platforms)
1855///  ::= .machine [ cpu | "push" | "pop" ]
1856bool PPCAsmParser::ParseDirectiveMachine(SMLoc L) {
MCAsmParser &Parser = getParser();
if (Parser.getTok().isNot(AsmToken::Identifier) &&
    Parser.getTok().isNot(AsmToken::String))
  return Error(L, "unexpected token in '.machine' directive");

StringRef CPU = Parser.getTok().getIdentifier();

// FIXME: Right now, the parser always allows any available
// instruction, so the .machine directive is not useful.
// Implement ".machine any" (by doing nothing) for the benefit
// of existing assembler code.  Likewise, we can then implement
// ".machine push" and ".machine pop" as no-op.
if (CPU != "any" && CPU != "push" && CPU != "pop")
  return TokError("unrecognized machine type");

Parser.Lex();

if (parseToken(AsmToken::EndOfStatement))
  return addErrorSuffix(" in '.machine' directive");

PPCTargetStreamer &TStreamer =
    *static_cast<PPCTargetStreamer *>(
         getParser().getStreamer().getTargetStreamer());
TStreamer.emitMachine(CPU);

return false;
1883}

1885/// ParseDarwinDirectiveMachine (Mach-o platforms)
1886///  ::= .machine cpu-identifier
1887bool PPCAsmParser::ParseDarwinDirectiveMachine(SMLoc L) {
MCAsmParser &Parser = getParser();
if (Parser.getTok().isNot(AsmToken::Identifier) &&
    Parser.getTok().isNot(AsmToken::String))
  return Error(L, "unexpected token in directive");

StringRef CPU = Parser.getTok().getIdentifier();
Parser.Lex();

// FIXME: this is only the 'default' set of cpu variants.
// However we don't act on this information at present, this is simply
// allowing parsing to proceed with minimal sanity checking.
if (check(CPU != "ppc7400" && CPU != "ppc" && CPU != "ppc64", L,
          "unrecognized cpu type") ||
    check(isPPC64() && (CPU == "ppc7400" || CPU == "ppc"), L,
          "wrong cpu type specified for 64bit") ||
    check(!isPPC64() && CPU == "ppc64", L,
          "wrong cpu type specified for 32bit") ||
    parseToken(AsmToken::EndOfStatement))
  return addErrorSuffix(" in '.machine' directive");
return false;
1908}

1910/// ParseDirectiveAbiVersion
1911///  ::= .abiversion constant-expression
1912bool PPCAsmParser::ParseDirectiveAbiVersion(SMLoc L) {
int64_t AbiVersion;
if (check(getParser().parseAbsoluteExpression(AbiVersion), L,
          "expected constant expression") ||
    parseToken(AsmToken::EndOfStatement))
  return addErrorSuffix(" in '.abiversion' directive");

PPCTargetStreamer &TStreamer =
    *static_cast<PPCTargetStreamer *>(
         getParser().getStreamer().getTargetStreamer());
TStreamer.emitAbiVersion(AbiVersion);

return false;
1925}

1927/// ParseDirectiveLocalEntry
1928///  ::= .localentry symbol, expression
1929bool PPCAsmParser::ParseDirectiveLocalEntry(SMLoc L) {
StringRef Name;
if (getParser().parseIdentifier(Name))
  return Error(L, "expected identifier in '.localentry' directive");

MCSymbolELF *Sym = cast<MCSymbolELF>(getContext().getOrCreateSymbol(Name));
const MCExpr *Expr;

if (parseToken(AsmToken::Comma) ||
    check(getParser().parseExpression(Expr), L, "expected expression") ||
    parseToken(AsmToken::EndOfStatement))
  return addErrorSuffix(" in '.localentry' directive");

PPCTargetStreamer &TStreamer =
    *static_cast<PPCTargetStreamer *>(
         getParser().getStreamer().getTargetStreamer());
TStreamer.emitLocalEntry(Sym, Expr);

return false;
1948}



1952/// Force static initialization.
1953extern "C" void LLVMInitializePowerPCAsmParser() {
RegisterMCAsmParser<PPCAsmParser> A(getThePPC32Target());
RegisterMCAsmParser<PPCAsmParser> B(getThePPC64Target());
RegisterMCAsmParser<PPCAsmParser> C(getThePPC64LETarget());
1957}

1959#define GET_REGISTER_MATCHER
1960#define GET_MATCHER_IMPLEMENTATION
1961#define GET_MNEMONIC_SPELL_CHECKER
1962#include "PPCGenAsmMatcher.inc"

1964// Define this matcher function after the auto-generated include so we
1965// have the match class enum definitions.
1966unsigned PPCAsmParser::validateTargetOperandClass(MCParsedAsmOperand &AsmOp,
                                                unsigned Kind) {
// If the kind is a token for a literal immediate, check if our asm
// operand matches. This is for InstAliases which have a fixed-value
// immediate in the syntax.
int64_t ImmVal;
switch (Kind) {
  case MCK_0: ImmVal = 0; break;
  case MCK_1: ImmVal = 1; break;
  case MCK_2: ImmVal = 2; break;
  case MCK_3: ImmVal = 3; break;
  case MCK_4: ImmVal = 4; break;
  case MCK_5: ImmVal = 5; break;
  case MCK_6: ImmVal = 6; break;
  case MCK_7: ImmVal = 7; break;
  default: return Match_InvalidOperand;
}

PPCOperand &Op = static_cast<PPCOperand &>(AsmOp);
if (Op.isImm() && Op.getImm() == ImmVal)
  return Match_Success;

return Match_InvalidOperand;
1989}

1991const MCExpr *
1992PPCAsmParser::applyModifierToExpr(const MCExpr *E,
                                MCSymbolRefExpr::VariantKind Variant,
                                MCContext &Ctx) {
switch (Variant) {
case MCSymbolRefExpr::VK_PPC_LO:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_LO, E, false, Ctx);
case MCSymbolRefExpr::VK_PPC_HI:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_HI, E, false, Ctx);
case MCSymbolRefExpr::VK_PPC_HA:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_HA, E, false, Ctx);
case MCSymbolRefExpr::VK_PPC_HIGH:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_HIGH, E, false, Ctx);
case MCSymbolRefExpr::VK_PPC_HIGHA:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_HIGHA, E, false, Ctx);
case MCSymbolRefExpr::VK_PPC_HIGHER:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_HIGHER, E, false, Ctx);
case MCSymbolRefExpr::VK_PPC_HIGHERA:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_HIGHERA, E, false, Ctx);
case MCSymbolRefExpr::VK_PPC_HIGHEST:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_HIGHEST, E, false, Ctx);
case MCSymbolRefExpr::VK_PPC_HIGHESTA:
  return PPCMCExpr::create(PPCMCExpr::VK_PPC_HIGHESTA, E, false, Ctx);
default:
  return nullptr;
}
2017}