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	This is the first step towards splitting LLVM and Clang's tblgen executables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140951 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			321 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			321 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===- TableGen.cpp - Top-Level TableGen implementation for LLVM ----------===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| // This file contains the main function for LLVM's TableGen.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "AsmMatcherEmitter.h"
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| #include "AsmWriterEmitter.h"
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| #include "CallingConvEmitter.h"
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| #include "ClangASTNodesEmitter.h"
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| #include "ClangAttrEmitter.h"
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| #include "ClangDiagnosticsEmitter.h"
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| #include "ClangSACheckersEmitter.h"
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| #include "CodeEmitterGen.h"
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| #include "DAGISelEmitter.h"
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| #include "DisassemblerEmitter.h"
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| #include "EDEmitter.h"
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| #include "FastISelEmitter.h"
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| #include "InstrInfoEmitter.h"
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| #include "IntrinsicEmitter.h"
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| #include "NeonEmitter.h"
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| #include "OptParserEmitter.h"
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| #include "PseudoLoweringEmitter.h"
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| #include "RegisterInfoEmitter.h"
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| #include "ARMDecoderEmitter.h"
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| #include "SubtargetEmitter.h"
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| #include "SetTheory.h"
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| 
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| #include "llvm/Support/CommandLine.h"
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| #include "llvm/Support/PrettyStackTrace.h"
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| #include "llvm/Support/Signals.h"
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| #include "llvm/TableGen/Error.h"
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| #include "llvm/TableGen/Main.h"
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| #include "llvm/TableGen/Record.h"
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| #include "llvm/TableGen/TableGenAction.h"
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| 
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| using namespace llvm;
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| 
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| enum ActionType {
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|   PrintRecords,
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|   GenEmitter,
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|   GenRegisterInfo,
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|   GenInstrInfo,
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|   GenAsmWriter,
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|   GenAsmMatcher,
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|   GenARMDecoder,
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|   GenDisassembler,
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|   GenPseudoLowering,
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|   GenCallingConv,
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|   GenClangAttrClasses,
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|   GenClangAttrImpl,
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|   GenClangAttrList,
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|   GenClangAttrPCHRead,
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|   GenClangAttrPCHWrite,
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|   GenClangAttrSpellingList,
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|   GenClangAttrLateParsedList,
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|   GenClangDiagsDefs,
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|   GenClangDiagGroups,
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|   GenClangDiagsIndexName,
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|   GenClangDeclNodes,
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|   GenClangStmtNodes,
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|   GenClangSACheckers,
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|   GenDAGISel,
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|   GenFastISel,
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|   GenOptParserDefs, GenOptParserImpl,
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|   GenSubtarget,
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|   GenIntrinsic,
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|   GenTgtIntrinsic,
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|   GenEDInfo,
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|   GenArmNeon,
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|   GenArmNeonSema,
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|   GenArmNeonTest,
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|   PrintEnums,
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|   PrintSets
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| };
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| 
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| namespace {
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|   cl::opt<ActionType>
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|   Action(cl::desc("Action to perform:"),
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|          cl::values(clEnumValN(PrintRecords, "print-records",
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|                                "Print all records to stdout (default)"),
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|                     clEnumValN(GenEmitter, "gen-emitter",
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|                                "Generate machine code emitter"),
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|                     clEnumValN(GenRegisterInfo, "gen-register-info",
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|                                "Generate registers and register classes info"),
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|                     clEnumValN(GenInstrInfo, "gen-instr-info",
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|                                "Generate instruction descriptions"),
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|                     clEnumValN(GenCallingConv, "gen-callingconv",
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|                                "Generate calling convention descriptions"),
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|                     clEnumValN(GenAsmWriter, "gen-asm-writer",
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|                                "Generate assembly writer"),
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|                     clEnumValN(GenARMDecoder, "gen-arm-decoder",
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|                                "Generate decoders for ARM/Thumb"),
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|                     clEnumValN(GenDisassembler, "gen-disassembler",
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|                                "Generate disassembler"),
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|                     clEnumValN(GenPseudoLowering, "gen-pseudo-lowering",
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|                                "Generate pseudo instruction lowering"),
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|                     clEnumValN(GenAsmMatcher, "gen-asm-matcher",
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|                                "Generate assembly instruction matcher"),
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|                     clEnumValN(GenDAGISel, "gen-dag-isel",
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|                                "Generate a DAG instruction selector"),
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|                     clEnumValN(GenFastISel, "gen-fast-isel",
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|                                "Generate a \"fast\" instruction selector"),
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|                     clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
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|                                "Generate option definitions"),
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|                     clEnumValN(GenOptParserImpl, "gen-opt-parser-impl",
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|                                "Generate option parser implementation"),
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|                     clEnumValN(GenSubtarget, "gen-subtarget",
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|                                "Generate subtarget enumerations"),
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|                     clEnumValN(GenIntrinsic, "gen-intrinsic",
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|                                "Generate intrinsic information"),
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|                     clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
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|                                "Generate target intrinsic information"),
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|                     clEnumValN(GenClangAttrClasses, "gen-clang-attr-classes",
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|                                "Generate clang attribute clases"),
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|                     clEnumValN(GenClangAttrImpl, "gen-clang-attr-impl",
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|                                "Generate clang attribute implementations"),
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|                     clEnumValN(GenClangAttrList, "gen-clang-attr-list",
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|                                "Generate a clang attribute list"),
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|                     clEnumValN(GenClangAttrPCHRead, "gen-clang-attr-pch-read",
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|                                "Generate clang PCH attribute reader"),
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|                     clEnumValN(GenClangAttrPCHWrite, "gen-clang-attr-pch-write",
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|                                "Generate clang PCH attribute writer"),
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|                     clEnumValN(GenClangAttrSpellingList,
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|                                "gen-clang-attr-spelling-list",
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|                                "Generate a clang attribute spelling list"),
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|                     clEnumValN(GenClangAttrLateParsedList,
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|                                "gen-clang-attr-late-parsed-list",
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|                                "Generate a clang attribute LateParsed list"),
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|                     clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
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|                                "Generate Clang diagnostics definitions"),
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|                     clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
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|                                "Generate Clang diagnostic groups"),
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|                     clEnumValN(GenClangDiagsIndexName,
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|                                "gen-clang-diags-index-name",
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|                                "Generate Clang diagnostic name index"),
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|                     clEnumValN(GenClangDeclNodes, "gen-clang-decl-nodes",
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|                                "Generate Clang AST declaration nodes"),
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|                     clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
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|                                "Generate Clang AST statement nodes"),
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|                     clEnumValN(GenClangSACheckers, "gen-clang-sa-checkers",
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|                                "Generate Clang Static Analyzer checkers"),
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|                     clEnumValN(GenEDInfo, "gen-enhanced-disassembly-info",
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|                                "Generate enhanced disassembly info"),
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|                     clEnumValN(GenArmNeon, "gen-arm-neon",
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|                                "Generate arm_neon.h for clang"),
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|                     clEnumValN(GenArmNeonSema, "gen-arm-neon-sema",
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|                                "Generate ARM NEON sema support for clang"),
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|                     clEnumValN(GenArmNeonTest, "gen-arm-neon-test",
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|                                "Generate ARM NEON tests for clang"),
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|                     clEnumValN(PrintEnums, "print-enums",
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|                                "Print enum values for a class"),
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|                     clEnumValN(PrintSets, "print-sets",
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|                                "Print expanded sets for testing DAG exprs"),
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|                     clEnumValEnd));
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| 
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|   cl::opt<std::string>
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|   Class("class", cl::desc("Print Enum list for this class"),
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|         cl::value_desc("class name"));
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| 
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|   cl::opt<std::string>
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|   ClangComponent("clang-component",
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|                  cl::desc("Only use warnings from specified component"),
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|                  cl::value_desc("component"), cl::Hidden);
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| }
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| 
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| class LLVMTableGenAction : public TableGenAction {
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| public:
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|   bool operator()(raw_ostream &OS, RecordKeeper &Records) {
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|     switch (Action) {
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|     case PrintRecords:
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|       OS << Records;           // No argument, dump all contents
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|       break;
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|     case GenEmitter:
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|       CodeEmitterGen(Records).run(OS);
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|       break;
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|     case GenRegisterInfo:
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|       RegisterInfoEmitter(Records).run(OS);
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|       break;
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|     case GenInstrInfo:
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|       InstrInfoEmitter(Records).run(OS);
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|       break;
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|     case GenCallingConv:
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|       CallingConvEmitter(Records).run(OS);
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|       break;
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|     case GenAsmWriter:
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|       AsmWriterEmitter(Records).run(OS);
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|       break;
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|     case GenARMDecoder:
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|       ARMDecoderEmitter(Records).run(OS);
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|       break;
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|     case GenAsmMatcher:
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|       AsmMatcherEmitter(Records).run(OS);
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|       break;
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|     case GenClangAttrClasses:
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|       ClangAttrClassEmitter(Records).run(OS);
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|       break;
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|     case GenClangAttrImpl:
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|       ClangAttrImplEmitter(Records).run(OS);
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|       break;
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|     case GenClangAttrList:
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|       ClangAttrListEmitter(Records).run(OS);
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|       break;
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|     case GenClangAttrPCHRead:
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|       ClangAttrPCHReadEmitter(Records).run(OS);
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|       break;
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|     case GenClangAttrPCHWrite:
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|       ClangAttrPCHWriteEmitter(Records).run(OS);
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|       break;
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|     case GenClangAttrSpellingList:
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|       ClangAttrSpellingListEmitter(Records).run(OS);
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|       break;
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|     case GenClangAttrLateParsedList:
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|       ClangAttrLateParsedListEmitter(Records).run(OS);
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|       break;
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|     case GenClangDiagsDefs:
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|       ClangDiagsDefsEmitter(Records, ClangComponent).run(OS);
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|       break;
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|     case GenClangDiagGroups:
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|       ClangDiagGroupsEmitter(Records).run(OS);
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|       break;
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|     case GenClangDiagsIndexName:
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|       ClangDiagsIndexNameEmitter(Records).run(OS);
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|       break;
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|     case GenClangDeclNodes:
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|       ClangASTNodesEmitter(Records, "Decl", "Decl").run(OS);
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|       ClangDeclContextEmitter(Records).run(OS);
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|       break;
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|     case GenClangStmtNodes:
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|       ClangASTNodesEmitter(Records, "Stmt", "").run(OS);
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|       break;
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|     case GenClangSACheckers:
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|       ClangSACheckersEmitter(Records).run(OS);
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|       break;
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|     case GenDisassembler:
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|       DisassemblerEmitter(Records).run(OS);
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|       break;
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|     case GenPseudoLowering:
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|       PseudoLoweringEmitter(Records).run(OS);
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|       break;
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|     case GenOptParserDefs:
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|       OptParserEmitter(Records, true).run(OS);
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|       break;
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|     case GenOptParserImpl:
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|       OptParserEmitter(Records, false).run(OS);
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|       break;
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|     case GenDAGISel:
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|       DAGISelEmitter(Records).run(OS);
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|       break;
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|     case GenFastISel:
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|       FastISelEmitter(Records).run(OS);
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|       break;
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|     case GenSubtarget:
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|       SubtargetEmitter(Records).run(OS);
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|       break;
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|     case GenIntrinsic:
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|       IntrinsicEmitter(Records).run(OS);
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|       break;
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|     case GenTgtIntrinsic:
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|       IntrinsicEmitter(Records, true).run(OS);
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|       break;
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|     case GenEDInfo:
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|       EDEmitter(Records).run(OS);
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|       break;
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|     case GenArmNeon:
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|       NeonEmitter(Records).run(OS);
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|       break;
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|     case GenArmNeonSema:
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|       NeonEmitter(Records).runHeader(OS);
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|       break;
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|     case GenArmNeonTest:
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|       NeonEmitter(Records).runTests(OS);
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|       break;
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|     case PrintEnums:
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|     {
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|       std::vector<Record*> Recs = Records.getAllDerivedDefinitions(Class);
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|       for (unsigned i = 0, e = Recs.size(); i != e; ++i)
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|         OS << Recs[i]->getName() << ", ";
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|       OS << "\n";
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|       break;
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|     }
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|     case PrintSets:
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|     {
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|       SetTheory Sets;
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|       Sets.addFieldExpander("Set", "Elements");
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|       std::vector<Record*> Recs = Records.getAllDerivedDefinitions("Set");
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|       for (unsigned i = 0, e = Recs.size(); i != e; ++i) {
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|         OS << Recs[i]->getName() << " = [";
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|         const std::vector<Record*> *Elts = Sets.expand(Recs[i]);
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|         assert(Elts && "Couldn't expand Set instance");
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|         for (unsigned ei = 0, ee = Elts->size(); ei != ee; ++ei)
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|           OS << ' ' << (*Elts)[ei]->getName();
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|         OS << " ]\n";
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|       }
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|       break;
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|     }
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|     default:
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|       assert(1 && "Invalid Action");
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|       return true;
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|     }
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| 
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|     return false;
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|   }
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| };
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| 
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| int main(int argc, char **argv) {
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|   sys::PrintStackTraceOnErrorSignal();
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|   PrettyStackTraceProgram X(argc, argv);
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|   cl::ParseCommandLineOptions(argc, argv);
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| 
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|   LLVMTableGenAction Action;
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|   return TableGenMain(argv[0], Action);
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| }
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