utils/TableGen/TableGen.cpp

   1 //===- TableGen.cpp - Top-Level TableGen implementation for LLVM ----------===//
   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 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains the main function for LLVM's TableGen.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "AsmMatcherEmitter.h"
  15 #include "AsmWriterEmitter.h"
  16 #include "CallingConvEmitter.h"
  17 #include "ClangASTNodesEmitter.h"
  18 #include "ClangAttrEmitter.h"
  19 #include "ClangDiagnosticsEmitter.h"
  20 #include "ClangSACheckersEmitter.h"
  21 #include "CodeEmitterGen.h"
  22 #include "DAGISelEmitter.h"
  23 #include "DisassemblerEmitter.h"
  24 #include "EDEmitter.h"
  25 #include "FastISelEmitter.h"
  26 #include "InstrInfoEmitter.h"
  27 #include "IntrinsicEmitter.h"
  28 #include "NeonEmitter.h"
  29 #include "OptParserEmitter.h"
  30 #include "PseudoLoweringEmitter.h"
  31 #include "RegisterInfoEmitter.h"
  32 #include "ARMDecoderEmitter.h"
  33 #include "SubtargetEmitter.h"
  34 #include "SetTheory.h"
  35
  36 #include "llvm/Support/CommandLine.h"
  37 #include "llvm/Support/PrettyStackTrace.h"
  38 #include "llvm/Support/Signals.h"
  39 #include "llvm/TableGen/Error.h"
  40 #include "llvm/TableGen/Main.h"
  41 #include "llvm/TableGen/Record.h"
  42 #include "llvm/TableGen/TableGenAction.h"
  43
  44 using namespace llvm;
  45
  46 enum ActionType {
  47   PrintRecords,
  48   GenEmitter,
  49   GenRegisterInfo,
  50   GenInstrInfo,
  51   GenAsmWriter,
  52   GenAsmMatcher,
  53   GenARMDecoder,
  54   GenDisassembler,
  55   GenPseudoLowering,
  56   GenCallingConv,
  57   GenClangAttrClasses,
  58   GenClangAttrImpl,
  59   GenClangAttrList,
  60   GenClangAttrPCHRead,
  61   GenClangAttrPCHWrite,
  62   GenClangAttrSpellingList,
  63   GenClangAttrLateParsedList,
  64   GenClangDiagsDefs,
  65   GenClangDiagGroups,
  66   GenClangDiagsIndexName,
  67   GenClangDeclNodes,
  68   GenClangStmtNodes,
  69   GenClangSACheckers,
  70   GenDAGISel,
  71   GenFastISel,
  72   GenOptParserDefs, GenOptParserImpl,
  73   GenSubtarget,
  74   GenIntrinsic,
  75   GenTgtIntrinsic,
  76   GenEDInfo,
  77   GenArmNeon,
  78   GenArmNeonSema,
  79   GenArmNeonTest,
  80   PrintEnums,
  81   PrintSets
  82 };
  83
  84 namespace {
  85   cl::opt<ActionType>
  86   Action(cl::desc("Action to perform:"),
  87          cl::values(clEnumValN(PrintRecords, "print-records",
  88                                "Print all records to stdout (default)"),
  89                     clEnumValN(GenEmitter, "gen-emitter",
  90                                "Generate machine code emitter"),
  91                     clEnumValN(GenRegisterInfo, "gen-register-info",
  92                                "Generate registers and register classes info"),
  93                     clEnumValN(GenInstrInfo, "gen-instr-info",
  94                                "Generate instruction descriptions"),
  95                     clEnumValN(GenCallingConv, "gen-callingconv",
  96                                "Generate calling convention descriptions"),
  97                     clEnumValN(GenAsmWriter, "gen-asm-writer",
  98                                "Generate assembly writer"),
  99                     clEnumValN(GenARMDecoder, "gen-arm-decoder",
 100                                "Generate decoders for ARM/Thumb"),
 101                     clEnumValN(GenDisassembler, "gen-disassembler",
 102                                "Generate disassembler"),
 103                     clEnumValN(GenPseudoLowering, "gen-pseudo-lowering",
 104                                "Generate pseudo instruction lowering"),
 105                     clEnumValN(GenAsmMatcher, "gen-asm-matcher",
 106                                "Generate assembly instruction matcher"),
 107                     clEnumValN(GenDAGISel, "gen-dag-isel",
 108                                "Generate a DAG instruction selector"),
 109                     clEnumValN(GenFastISel, "gen-fast-isel",
 110                                "Generate a \"fast\" instruction selector"),
 111                     clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
 112                                "Generate option definitions"),
 113                     clEnumValN(GenOptParserImpl, "gen-opt-parser-impl",
 114                                "Generate option parser implementation"),
 115                     clEnumValN(GenSubtarget, "gen-subtarget",
 116                                "Generate subtarget enumerations"),
 117                     clEnumValN(GenIntrinsic, "gen-intrinsic",
 118                                "Generate intrinsic information"),
 119                     clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
 120                                "Generate target intrinsic information"),
 121                     clEnumValN(GenClangAttrClasses, "gen-clang-attr-classes",
 122                                "Generate clang attribute clases"),
 123                     clEnumValN(GenClangAttrImpl, "gen-clang-attr-impl",
 124                                "Generate clang attribute implementations"),
 125                     clEnumValN(GenClangAttrList, "gen-clang-attr-list",
 126                                "Generate a clang attribute list"),
 127                     clEnumValN(GenClangAttrPCHRead, "gen-clang-attr-pch-read",
 128                                "Generate clang PCH attribute reader"),
 129                     clEnumValN(GenClangAttrPCHWrite, "gen-clang-attr-pch-write",
 130                                "Generate clang PCH attribute writer"),
 131                     clEnumValN(GenClangAttrSpellingList,
 132                                "gen-clang-attr-spelling-list",
 133                                "Generate a clang attribute spelling list"),
 134                     clEnumValN(GenClangAttrLateParsedList,
 135                                "gen-clang-attr-late-parsed-list",
 136                                "Generate a clang attribute LateParsed list"),
 137                     clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
 138                                "Generate Clang diagnostics definitions"),
 139                     clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
 140                                "Generate Clang diagnostic groups"),
 141                     clEnumValN(GenClangDiagsIndexName,
 142                                "gen-clang-diags-index-name",
 143                                "Generate Clang diagnostic name index"),
 144                     clEnumValN(GenClangDeclNodes, "gen-clang-decl-nodes",
 145                                "Generate Clang AST declaration nodes"),
 146                     clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
 147                                "Generate Clang AST statement nodes"),
 148                     clEnumValN(GenClangSACheckers, "gen-clang-sa-checkers",
 149                                "Generate Clang Static Analyzer checkers"),
 150                     clEnumValN(GenEDInfo, "gen-enhanced-disassembly-info",
 151                                "Generate enhanced disassembly info"),
 152                     clEnumValN(GenArmNeon, "gen-arm-neon",
 153                                "Generate arm_neon.h for clang"),
 154                     clEnumValN(GenArmNeonSema, "gen-arm-neon-sema",
 155                                "Generate ARM NEON sema support for clang"),
 156                     clEnumValN(GenArmNeonTest, "gen-arm-neon-test",
 157                                "Generate ARM NEON tests for clang"),
 158                     clEnumValN(PrintEnums, "print-enums",
 159                                "Print enum values for a class"),
 160                     clEnumValN(PrintSets, "print-sets",
 161                                "Print expanded sets for testing DAG exprs"),
 162                     clEnumValEnd));
 163
 164   cl::opt<std::string>
 165   Class("class", cl::desc("Print Enum list for this class"),
 166         cl::value_desc("class name"));
 167
 168   cl::opt<std::string>
 169   ClangComponent("clang-component",
 170                  cl::desc("Only use warnings from specified component"),
 171                  cl::value_desc("component"), cl::Hidden);
 172 }
 173
 174 class LLVMTableGenAction : public TableGenAction {
 175 public:
 176   bool operator()(raw_ostream &OS, RecordKeeper &Records) {
 177     switch (Action) {
 178     case PrintRecords:
 179       OS << Records;           // No argument, dump all contents
 180       break;
 181     case GenEmitter:
 182       CodeEmitterGen(Records).run(OS);
 183       break;
 184     case GenRegisterInfo:
 185       RegisterInfoEmitter(Records).run(OS);
 186       break;
 187     case GenInstrInfo:
 188       InstrInfoEmitter(Records).run(OS);
 189       break;
 190     case GenCallingConv:
 191       CallingConvEmitter(Records).run(OS);
 192       break;
 193     case GenAsmWriter:
 194       AsmWriterEmitter(Records).run(OS);
 195       break;
 196     case GenARMDecoder:
 197       ARMDecoderEmitter(Records).run(OS);
 198       break;
 199     case GenAsmMatcher:
 200       AsmMatcherEmitter(Records).run(OS);
 201       break;
 202     case GenClangAttrClasses:
 203       ClangAttrClassEmitter(Records).run(OS);
 204       break;
 205     case GenClangAttrImpl:
 206       ClangAttrImplEmitter(Records).run(OS);
 207       break;
 208     case GenClangAttrList:
 209       ClangAttrListEmitter(Records).run(OS);
 210       break;
 211     case GenClangAttrPCHRead:
 212       ClangAttrPCHReadEmitter(Records).run(OS);
 213       break;
 214     case GenClangAttrPCHWrite:
 215       ClangAttrPCHWriteEmitter(Records).run(OS);
 216       break;
 217     case GenClangAttrSpellingList:
 218       ClangAttrSpellingListEmitter(Records).run(OS);
 219       break;
 220     case GenClangAttrLateParsedList:
 221       ClangAttrLateParsedListEmitter(Records).run(OS);
 222       break;
 223     case GenClangDiagsDefs:
 224       ClangDiagsDefsEmitter(Records, ClangComponent).run(OS);
 225       break;
 226     case GenClangDiagGroups:
 227       ClangDiagGroupsEmitter(Records).run(OS);
 228       break;
 229     case GenClangDiagsIndexName:
 230       ClangDiagsIndexNameEmitter(Records).run(OS);
 231       break;
 232     case GenClangDeclNodes:
 233       ClangASTNodesEmitter(Records, "Decl", "Decl").run(OS);
 234       ClangDeclContextEmitter(Records).run(OS);
 235       break;
 236     case GenClangStmtNodes:
 237       ClangASTNodesEmitter(Records, "Stmt", "").run(OS);
 238       break;
 239     case GenClangSACheckers:
 240       ClangSACheckersEmitter(Records).run(OS);
 241       break;
 242     case GenDisassembler:
 243       DisassemblerEmitter(Records).run(OS);
 244       break;
 245     case GenPseudoLowering:
 246       PseudoLoweringEmitter(Records).run(OS);
 247       break;
 248     case GenOptParserDefs:
 249       OptParserEmitter(Records, true).run(OS);
 250       break;
 251     case GenOptParserImpl:
 252       OptParserEmitter(Records, false).run(OS);
 253       break;
 254     case GenDAGISel:
 255       DAGISelEmitter(Records).run(OS);
 256       break;
 257     case GenFastISel:
 258       FastISelEmitter(Records).run(OS);
 259       break;
 260     case GenSubtarget:
 261       SubtargetEmitter(Records).run(OS);
 262       break;
 263     case GenIntrinsic:
 264       IntrinsicEmitter(Records).run(OS);
 265       break;
 266     case GenTgtIntrinsic:
 267       IntrinsicEmitter(Records, true).run(OS);
 268       break;
 269     case GenEDInfo:
 270       EDEmitter(Records).run(OS);
 271       break;
 272     case GenArmNeon:
 273       NeonEmitter(Records).run(OS);
 274       break;
 275     case GenArmNeonSema:
 276       NeonEmitter(Records).runHeader(OS);
 277       break;
 278     case GenArmNeonTest:
 279       NeonEmitter(Records).runTests(OS);
 280       break;
 281     case PrintEnums:
 282     {
 283       std::vector<Record*> Recs = Records.getAllDerivedDefinitions(Class);
 284       for (unsigned i = 0, e = Recs.size(); i != e; ++i)
 285         OS << Recs[i]->getName() << ", ";
 286       OS << "\n";
 287       break;
 288     }
 289     case PrintSets:
 290     {
 291       SetTheory Sets;
 292       Sets.addFieldExpander("Set", "Elements");
 293       std::vector<Record*> Recs = Records.getAllDerivedDefinitions("Set");
 294       for (unsigned i = 0, e = Recs.size(); i != e; ++i) {
 295         OS << Recs[i]->getName() << " = [";
 296         const std::vector<Record*> *Elts = Sets.expand(Recs[i]);
 297         assert(Elts && "Couldn't expand Set instance");
 298         for (unsigned ei = 0, ee = Elts->size(); ei != ee; ++ei)
 299           OS << ' ' << (*Elts)[ei]->getName();
 300         OS << " ]\n";
 301       }
 302       break;
 303     }
 304     default:
 305       assert(1 && "Invalid Action");
 306       return true;
 307     }
 308
 309     return false;
 310   }
 311 };
 312
 313 int main(int argc, char **argv) {
 314   sys::PrintStackTraceOnErrorSignal();
 315   PrettyStackTraceProgram X(argc, argv);
 316   cl::ParseCommandLineOptions(argc, argv);
 317
 318   LLVMTableGenAction Action;
 319   return TableGenMain(argv[0], Action);
 320 }