//
//===----------------------------------------------------------------------===//
-#include "llvm/Target/TargetAsmParser.h"
-#include "X86.h"
-#include "X86Subtarget.h"
+#include "MCTargetDesc/X86BaseInfo.h"
+#include "llvm/MC/MCTargetAsmParser.h"
#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Target/TargetAsmParser.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
+#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
+
using namespace llvm;
namespace {
struct X86Operand;
-class X86ATTAsmParser : public TargetAsmParser {
+class X86ATTAsmParser : public MCTargetAsmParser {
+ MCSubtargetInfo &STI;
MCAsmParser &Parser;
- TargetMachine &TM;
-
-protected:
- unsigned Is64Bit : 1;
private:
MCAsmParser &getParser() const { return Parser; }
bool Error(SMLoc L, const Twine &Msg) { return Parser.Error(L, Msg); }
- bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc);
-
X86Operand *ParseOperand();
X86Operand *ParseMemOperand(unsigned SegReg, SMLoc StartLoc);
bool ParseDirectiveWord(unsigned Size, SMLoc L);
+ bool ParseDirectiveCode(StringRef IDVal, SMLoc L);
bool MatchAndEmitInstruction(SMLoc IDLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands,
MCStreamer &Out);
+ /// isSrcOp - Returns true if operand is either (%rsi) or %ds:%(rsi)
+ /// in 64bit mode or (%edi) or %es:(%edi) in 32bit mode.
+ bool isSrcOp(X86Operand &Op);
+
+ /// isDstOp - Returns true if operand is either %es:(%rdi) in 64bit mode
+ /// or %es:(%edi) in 32bit mode.
+ bool isDstOp(X86Operand &Op);
+
+ bool is64BitMode() const {
+ // FIXME: Can tablegen auto-generate this?
+ return (STI.getFeatureBits() & X86::Mode64Bit) != 0;
+ }
+ void SwitchMode() {
+ unsigned FB = ComputeAvailableFeatures(STI.ToggleFeature(X86::Mode64Bit));
+ setAvailableFeatures(FB);
+ }
+
/// @name Auto-generated Matcher Functions
/// {
/// }
public:
- X86ATTAsmParser(const Target &T, MCAsmParser &parser, TargetMachine &TM)
- : TargetAsmParser(T), Parser(parser), TM(TM) {
+ X86ATTAsmParser(MCSubtargetInfo &sti, MCAsmParser &parser)
+ : MCTargetAsmParser(), STI(sti), Parser(parser) {
// Initialize the set of available features.
- setAvailableFeatures(ComputeAvailableFeatures(
- &TM.getSubtarget<X86Subtarget>()));
+ setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
}
+ virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc);
virtual bool ParseInstruction(StringRef Name, SMLoc NameLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands);
virtual bool ParseDirective(AsmToken DirectiveID);
};
-
-class X86_32ATTAsmParser : public X86ATTAsmParser {
-public:
- X86_32ATTAsmParser(const Target &T, MCAsmParser &Parser, TargetMachine &TM)
- : X86ATTAsmParser(T, Parser, TM) {
- Is64Bit = false;
- }
-};
-
-class X86_64ATTAsmParser : public X86ATTAsmParser {
-public:
- X86_64ATTAsmParser(const Target &T, MCAsmParser &Parser, TargetMachine &TM)
- : X86ATTAsmParser(T, Parser, TM) {
- Is64Bit = true;
- }
-};
-
} // end anonymous namespace
/// @name Auto-generated Match Functions
/// getEndLoc - Get the location of the last token of this operand.
SMLoc getEndLoc() const { return EndLoc; }
- virtual void dump(raw_ostream &OS) const {}
+ virtual void print(raw_ostream &OS) const {}
StringRef getToken() const {
assert(Kind == Token && "Invalid access!");
(0x00000000FFFFFF80ULL <= Value && Value <= 0x00000000FFFFFFFFULL)||
(0xFFFFFFFFFFFFFF80ULL <= Value && Value <= 0xFFFFFFFFFFFFFFFFULL));
}
+ bool isImmZExtu32u8() const {
+ if (!isImm())
+ return false;
+
+ // If this isn't a constant expr, just assume it fits and let relaxation
+ // handle it.
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ if (!CE)
+ return true;
+
+ // Otherwise, check the value is in a range that makes sense for this
+ // extension.
+ uint64_t Value = CE->getValue();
+ return (Value <= 0x00000000000000FFULL);
+ }
bool isImmSExti64i8() const {
if (!isImm())
return false;
} // end anonymous namespace.
+bool X86ATTAsmParser::isSrcOp(X86Operand &Op) {
+ unsigned basereg = is64BitMode() ? X86::RSI : X86::ESI;
+
+ return (Op.isMem() &&
+ (Op.Mem.SegReg == 0 || Op.Mem.SegReg == X86::DS) &&
+ isa<MCConstantExpr>(Op.Mem.Disp) &&
+ cast<MCConstantExpr>(Op.Mem.Disp)->getValue() == 0 &&
+ Op.Mem.BaseReg == basereg && Op.Mem.IndexReg == 0);
+}
+
+bool X86ATTAsmParser::isDstOp(X86Operand &Op) {
+ unsigned basereg = is64BitMode() ? X86::RDI : X86::EDI;
+
+ return Op.isMem() && Op.Mem.SegReg == X86::ES &&
+ isa<MCConstantExpr>(Op.Mem.Disp) &&
+ cast<MCConstantExpr>(Op.Mem.Disp)->getValue() == 0 &&
+ Op.Mem.BaseReg == basereg && Op.Mem.IndexReg == 0;
+}
bool X86ATTAsmParser::ParseRegister(unsigned &RegNo,
SMLoc &StartLoc, SMLoc &EndLoc) {
if (Tok.isNot(AsmToken::Identifier))
return Error(Tok.getLoc(), "invalid register name");
- // FIXME: Validate register for the current architecture; we have to do
- // validation later, so maybe there is no need for this here.
RegNo = MatchRegisterName(Tok.getString());
// If the match failed, try the register name as lowercase.
if (RegNo == 0)
RegNo = MatchRegisterName(LowercaseString(Tok.getString()));
- // FIXME: This should be done using Requires<In32BitMode> and
- // Requires<In64BitMode> so "eiz" usage in 64-bit instructions
- // can be also checked.
- if (RegNo == X86::RIZ && !Is64Bit)
- return Error(Tok.getLoc(), "riz register in 64-bit mode only");
+ if (!is64BitMode()) {
+ // FIXME: This should be done using Requires<In32BitMode> and
+ // Requires<In64BitMode> so "eiz" usage in 64-bit instructions can be also
+ // checked.
+ // FIXME: Check AH, CH, DH, BH cannot be used in an instruction requiring a
+ // REX prefix.
+ if (RegNo == X86::RIZ ||
+ X86MCRegisterClasses[X86::GR64RegClassID].contains(RegNo) ||
+ X86II::isX86_64NonExtLowByteReg(RegNo) ||
+ X86II::isX86_64ExtendedReg(RegNo))
+ return Error(Tok.getLoc(), "register %"
+ + Tok.getString() + " is only available in 64-bit mode");
+ }
// Parse "%st" as "%st(0)" and "%st(1)", which is multiple tokens.
if (RegNo == 0 && (Tok.getString() == "st" || Tok.getString() == "ST")) {
SMLoc Start, End;
if (ParseRegister(RegNo, Start, End)) return 0;
if (RegNo == X86::EIZ || RegNo == X86::RIZ) {
- Error(Start, "eiz and riz can only be used as index registers");
+ Error(Start, "%eiz and %riz can only be used as index registers");
return 0;
}
SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
StringRef PatchedName = Name;
+ // FIXME: Hack to recognize setneb as setne.
+ if (PatchedName.startswith("set") && PatchedName.endswith("b") &&
+ PatchedName != "setb" && PatchedName != "setnb")
+ PatchedName = PatchedName.substr(0, Name.size()-1);
+
// FIXME: Hack to recognize cmp<comparison code>{ss,sd,ps,pd}.
const MCExpr *ExtraImmOp = 0;
if ((PatchedName.startswith("cmp") || PatchedName.startswith("vcmp")) &&
}
}
- // FIXME: Hack to recognize vpclmul<src1_quadword, src2_quadword>dq
- if (PatchedName.startswith("vpclmul")) {
- unsigned CLMULQuadWordSelect = StringSwitch<unsigned>(
- PatchedName.slice(7, PatchedName.size() - 2))
- .Case("lqlq", 0x00) // src1[63:0], src2[63:0]
- .Case("hqlq", 0x01) // src1[127:64], src2[63:0]
- .Case("lqhq", 0x10) // src1[63:0], src2[127:64]
- .Case("hqhq", 0x11) // src1[127:64], src2[127:64]
- .Default(~0U);
- if (CLMULQuadWordSelect != ~0U) {
- ExtraImmOp = MCConstantExpr::Create(CLMULQuadWordSelect,
- getParser().getContext());
- assert(PatchedName.endswith("dq") && "Unexpected mnemonic!");
- PatchedName = "vpclmulqdq";
- }
- }
-
Operands.push_back(X86Operand::CreateToken(PatchedName, NameLoc));
if (ExtraImmOp)
bool isPrefix =
Name == "lock" || Name == "rep" ||
Name == "repe" || Name == "repz" ||
- Name == "repne" || Name == "repnz";
+ Name == "repne" || Name == "repnz" ||
+ Name == "rex64" || Name == "data16";
// This does the actual operand parsing. Don't parse any more if we have a
}
if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ SMLoc Loc = getLexer().getLoc();
Parser.EatToEndOfStatement();
- return TokError("unexpected token in argument list");
+ return Error(Loc, "unexpected token in argument list");
}
}
if (getLexer().is(AsmToken::EndOfStatement))
Parser.Lex(); // Consume the EndOfStatement
+ else if (isPrefix && getLexer().is(AsmToken::Slash))
+ Parser.Lex(); // Consume the prefix separator Slash
- // FIXME: Hack to handle recognize s{hr,ar,hl} $1, <op>. Canonicalize to
- // "shift <op>".
- if ((Name.startswith("shr") || Name.startswith("sar") ||
- Name.startswith("shl") || Name.startswith("sal")) &&
- Operands.size() == 3) {
- X86Operand *Op1 = static_cast<X86Operand*>(Operands[1]);
- if (Op1->isImm() && isa<MCConstantExpr>(Op1->getImm()) &&
- cast<MCConstantExpr>(Op1->getImm())->getValue() == 1) {
- delete Operands[1];
- Operands.erase(Operands.begin() + 1);
- }
- }
-
- // FIXME: Hack to handle recognize "rc[lr] <op>" -> "rcl $1, <op>".
- if ((Name.startswith("rcl") || Name.startswith("rcr")) &&
- Operands.size() == 2) {
- const MCExpr *One = MCConstantExpr::Create(1, getParser().getContext());
- Operands.push_back(X86Operand::CreateImm(One, NameLoc, NameLoc));
- std::swap(Operands[1], Operands[2]);
- }
-
- // FIXME: Hack to handle recognize "sh[lr]d op,op" -> "shld $1, op,op".
- if ((Name.startswith("shld") || Name.startswith("shrd")) &&
- Operands.size() == 3) {
- const MCExpr *One = MCConstantExpr::Create(1, getParser().getContext());
- Operands.insert(Operands.begin()+1,
- X86Operand::CreateImm(One, NameLoc, NameLoc));
- }
-
- // FIXME: Hack to handle "out[bwl]? %al, (%dx)" -> "outb %al, %dx".
+ // This is a terrible hack to handle "out[bwl]? %al, (%dx)" ->
+ // "outb %al, %dx". Out doesn't take a memory form, but this is a widely
+ // documented form in various unofficial manuals, so a lot of code uses it.
if ((Name == "outb" || Name == "outw" || Name == "outl" || Name == "out") &&
Operands.size() == 3) {
X86Operand &Op = *(X86Operand*)Operands.back();
delete &Op;
}
}
-
- // FIXME: Hack to handle "f{mul*,add*,sub*,div*} $op, st(0)" the same as
- // "f{mul*,add*,sub*,div*} $op"
- if ((Name.startswith("fmul") || Name.startswith("fadd") ||
- Name.startswith("fsub") || Name.startswith("fdiv")) &&
- Operands.size() == 3 &&
- static_cast<X86Operand*>(Operands[2])->isReg() &&
- static_cast<X86Operand*>(Operands[2])->getReg() == X86::ST0) {
- delete Operands[2];
- Operands.erase(Operands.begin() + 2);
+ // Same hack for "in[bwl]? (%dx), %al" -> "inb %dx, %al".
+ if ((Name == "inb" || Name == "inw" || Name == "inl" || Name == "in") &&
+ Operands.size() == 3) {
+ X86Operand &Op = *(X86Operand*)Operands.begin()[1];
+ if (Op.isMem() && Op.Mem.SegReg == 0 &&
+ isa<MCConstantExpr>(Op.Mem.Disp) &&
+ cast<MCConstantExpr>(Op.Mem.Disp)->getValue() == 0 &&
+ Op.Mem.BaseReg == MatchRegisterName("dx") && Op.Mem.IndexReg == 0) {
+ SMLoc Loc = Op.getEndLoc();
+ Operands.begin()[1] = X86Operand::CreateReg(Op.Mem.BaseReg, Loc, Loc);
+ delete &Op;
+ }
}
-
- // FIXME: Hack to handle "f{mulp,addp} st(0), $op" the same as
- // "f{mulp,addp} $op", since they commute. We also allow fdivrp/fsubrp even
- // though they don't commute, solely because gas does support this.
- if ((Name=="fmulp" || Name=="faddp" || Name=="fsubrp" || Name=="fdivrp") &&
- Operands.size() == 3 &&
- static_cast<X86Operand*>(Operands[1])->isReg() &&
- static_cast<X86Operand*>(Operands[1])->getReg() == X86::ST0) {
- delete Operands[1];
- Operands.erase(Operands.begin() + 1);
+ // Transform "ins[bwl] %dx, %es:(%edi)" into "ins[bwl]"
+ if (Name.startswith("ins") && Operands.size() == 3 &&
+ (Name == "insb" || Name == "insw" || Name == "insl")) {
+ X86Operand &Op = *(X86Operand*)Operands.begin()[1];
+ X86Operand &Op2 = *(X86Operand*)Operands.begin()[2];
+ if (Op.isReg() && Op.getReg() == X86::DX && isDstOp(Op2)) {
+ Operands.pop_back();
+ Operands.pop_back();
+ delete &Op;
+ delete &Op2;
+ }
}
- // The assembler accepts these instructions with no operand as a synonym for
- // an instruction acting on st(1). e.g. "fxch" -> "fxch %st(1)".
- if ((Name == "fxch" || Name == "fucom" || Name == "fucomp" ||
- Name == "faddp" || Name == "fsubp" || Name == "fsubrp" ||
- Name == "fmulp" || Name == "fdivp" || Name == "fdivrp") &&
- Operands.size() == 1) {
- Operands.push_back(X86Operand::CreateReg(MatchRegisterName("st(1)"),
- NameLoc, NameLoc));
+ // Transform "outs[bwl] %ds:(%esi), %dx" into "out[bwl]"
+ if (Name.startswith("outs") && Operands.size() == 3 &&
+ (Name == "outsb" || Name == "outsw" || Name == "outsl")) {
+ X86Operand &Op = *(X86Operand*)Operands.begin()[1];
+ X86Operand &Op2 = *(X86Operand*)Operands.begin()[2];
+ if (isSrcOp(Op) && Op2.isReg() && Op2.getReg() == X86::DX) {
+ Operands.pop_back();
+ Operands.pop_back();
+ delete &Op;
+ delete &Op2;
+ }
}
- // The assembler accepts these instructions with two few operands as a synonym
- // for taking %st(1),%st(0) or X, %st(0).
- if ((Name == "fcomi" || Name == "fucomi" || Name == "fucompi" ||
- Name == "fcompi" ) &&
- Operands.size() < 3) {
- if (Operands.size() == 1)
- Operands.push_back(X86Operand::CreateReg(MatchRegisterName("st(1)"),
- NameLoc, NameLoc));
- Operands.push_back(X86Operand::CreateReg(MatchRegisterName("st(0)"),
- NameLoc, NameLoc));
+ // Transform "movs[bwl] %ds:(%esi), %es:(%edi)" into "movs[bwl]"
+ if (Name.startswith("movs") && Operands.size() == 3 &&
+ (Name == "movsb" || Name == "movsw" || Name == "movsl" ||
+ (is64BitMode() && Name == "movsq"))) {
+ X86Operand &Op = *(X86Operand*)Operands.begin()[1];
+ X86Operand &Op2 = *(X86Operand*)Operands.begin()[2];
+ if (isSrcOp(Op) && isDstOp(Op2)) {
+ Operands.pop_back();
+ Operands.pop_back();
+ delete &Op;
+ delete &Op2;
+ }
+ }
+ // Transform "lods[bwl] %ds:(%esi),{%al,%ax,%eax,%rax}" into "lods[bwl]"
+ if (Name.startswith("lods") && Operands.size() == 3 &&
+ (Name == "lods" || Name == "lodsb" || Name == "lodsw" ||
+ Name == "lodsl" || (is64BitMode() && Name == "lodsq"))) {
+ X86Operand *Op1 = static_cast<X86Operand*>(Operands[1]);
+ X86Operand *Op2 = static_cast<X86Operand*>(Operands[2]);
+ if (isSrcOp(*Op1) && Op2->isReg()) {
+ const char *ins;
+ unsigned reg = Op2->getReg();
+ bool isLods = Name == "lods";
+ if (reg == X86::AL && (isLods || Name == "lodsb"))
+ ins = "lodsb";
+ else if (reg == X86::AX && (isLods || Name == "lodsw"))
+ ins = "lodsw";
+ else if (reg == X86::EAX && (isLods || Name == "lodsl"))
+ ins = "lodsl";
+ else if (reg == X86::RAX && (isLods || Name == "lodsq"))
+ ins = "lodsq";
+ else
+ ins = NULL;
+ if (ins != NULL) {
+ Operands.pop_back();
+ Operands.pop_back();
+ delete Op1;
+ delete Op2;
+ if (Name != ins)
+ static_cast<X86Operand*>(Operands[0])->setTokenValue(ins);
+ }
+ }
+ }
+ // Transform "stos[bwl] {%al,%ax,%eax,%rax},%es:(%edi)" into "stos[bwl]"
+ if (Name.startswith("stos") && Operands.size() == 3 &&
+ (Name == "stos" || Name == "stosb" || Name == "stosw" ||
+ Name == "stosl" || (is64BitMode() && Name == "stosq"))) {
+ X86Operand *Op1 = static_cast<X86Operand*>(Operands[1]);
+ X86Operand *Op2 = static_cast<X86Operand*>(Operands[2]);
+ if (isDstOp(*Op2) && Op1->isReg()) {
+ const char *ins;
+ unsigned reg = Op1->getReg();
+ bool isStos = Name == "stos";
+ if (reg == X86::AL && (isStos || Name == "stosb"))
+ ins = "stosb";
+ else if (reg == X86::AX && (isStos || Name == "stosw"))
+ ins = "stosw";
+ else if (reg == X86::EAX && (isStos || Name == "stosl"))
+ ins = "stosl";
+ else if (reg == X86::RAX && (isStos || Name == "stosq"))
+ ins = "stosq";
+ else
+ ins = NULL;
+ if (ins != NULL) {
+ Operands.pop_back();
+ Operands.pop_back();
+ delete Op1;
+ delete Op2;
+ if (Name != ins)
+ static_cast<X86Operand*>(Operands[0])->setTokenValue(ins);
+ }
+ }
}
- // FIXME: Hack to handle recognize "aa[dm]" -> "aa[dm] $0xA".
- if ((Name.startswith("aad") || Name.startswith("aam")) &&
- Operands.size() == 1) {
- const MCExpr *A = MCConstantExpr::Create(0xA, getParser().getContext());
- Operands.push_back(X86Operand::CreateImm(A, NameLoc, NameLoc));
+ // FIXME: Hack to handle recognize s{hr,ar,hl} $1, <op>. Canonicalize to
+ // "shift <op>".
+ if ((Name.startswith("shr") || Name.startswith("sar") ||
+ Name.startswith("shl") || Name.startswith("sal") ||
+ Name.startswith("rcl") || Name.startswith("rcr") ||
+ Name.startswith("rol") || Name.startswith("ror")) &&
+ Operands.size() == 3) {
+ X86Operand *Op1 = static_cast<X86Operand*>(Operands[1]);
+ if (Op1->isImm() && isa<MCConstantExpr>(Op1->getImm()) &&
+ cast<MCConstantExpr>(Op1->getImm())->getValue() == 1) {
+ delete Operands[1];
+ Operands.erase(Operands.begin() + 1);
+ }
+ }
+
+ // Transforms "int $3" into "int3" as a size optimization. We can't write an
+ // instalias with an immediate operand yet.
+ if (Name == "int" && Operands.size() == 2) {
+ X86Operand *Op1 = static_cast<X86Operand*>(Operands[1]);
+ if (Op1->isImm() && isa<MCConstantExpr>(Op1->getImm()) &&
+ cast<MCConstantExpr>(Op1->getImm())->getValue() == 3) {
+ delete Operands[1];
+ Operands.erase(Operands.begin() + 1);
+ static_cast<X86Operand*>(Operands[0])->setTokenValue("int3");
+ }
}
return false;
// First, handle aliases that expand to multiple instructions.
// FIXME: This should be replaced with a real .td file alias mechanism.
+ // Also, MatchInstructionImpl should do actually *do* the EmitInstruction
+ // call.
if (Op->getToken() == "fstsw" || Op->getToken() == "fstcw" ||
Op->getToken() == "fstsww" || Op->getToken() == "fstcww" ||
Op->getToken() == "finit" || Op->getToken() == "fsave" ||
case Match_MissingFeature:
Error(IDLoc, "instruction requires a CPU feature not currently enabled");
return true;
+ case Match_ConversionFail:
+ return Error(IDLoc, "unable to convert operands to instruction");
case Match_InvalidOperand:
WasOriginallyInvalidOperand = true;
break;
StringRef IDVal = DirectiveID.getIdentifier();
if (IDVal == ".word")
return ParseDirectiveWord(2, DirectiveID.getLoc());
+ else if (IDVal.startswith(".code"))
+ return ParseDirectiveCode(IDVal, DirectiveID.getLoc());
return true;
}
return false;
}
+/// ParseDirectiveCode
+/// ::= .code32 | .code64
+bool X86ATTAsmParser::ParseDirectiveCode(StringRef IDVal, SMLoc L) {
+ if (IDVal == ".code32") {
+ Parser.Lex();
+ if (is64BitMode()) {
+ SwitchMode();
+ getParser().getStreamer().EmitAssemblerFlag(MCAF_Code32);
+ }
+ } else if (IDVal == ".code64") {
+ Parser.Lex();
+ if (!is64BitMode()) {
+ SwitchMode();
+ getParser().getStreamer().EmitAssemblerFlag(MCAF_Code64);
+ }
+ } else {
+ return Error(L, "unexpected directive " + IDVal);
+ }
+ return false;
+}
extern "C" void LLVMInitializeX86AsmLexer();
// Force static initialization.
extern "C" void LLVMInitializeX86AsmParser() {
- RegisterAsmParser<X86_32ATTAsmParser> X(TheX86_32Target);
- RegisterAsmParser<X86_64ATTAsmParser> Y(TheX86_64Target);
+ RegisterMCAsmParser<X86ATTAsmParser> X(TheX86_32Target);
+ RegisterMCAsmParser<X86ATTAsmParser> Y(TheX86_64Target);
LLVMInitializeX86AsmLexer();
}
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