X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FTableGen.cpp;h=3899a410142940de151b05511d287b33d35a2680;hb=dc81e5da271ed394e2029c83458773c4ae2fc5f4;hp=7c8d288db937769d209796989e97ef9f4375d403;hpb=405887419f3954545be8da2da12000d2aa61ae16;p=oota-llvm.git diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp index 7c8d288db93..3899a410142 100644 --- a/utils/TableGen/TableGen.cpp +++ b/utils/TableGen/TableGen.cpp @@ -1,4 +1,4 @@ -//===- TableGen.cpp - Top-Level TableGen implementation -------------------===// +//===- TableGen.cpp - Top-Level TableGen implementation for LLVM ----------===// // // The LLVM Compiler Infrastructure // @@ -7,58 +7,55 @@ // //===----------------------------------------------------------------------===// // -// TableGen is a tool which can be used to build up a description of something, -// then invoke one or more "tablegen backends" to emit information about the -// description in some predefined format. In practice, this is used by the LLVM -// code generators to automate generation of a code generator through a -// high-level description of the target. +// This file contains the main function for LLVM's TableGen. // //===----------------------------------------------------------------------===// #include "AsmMatcherEmitter.h" #include "AsmWriterEmitter.h" #include "CallingConvEmitter.h" -#include "ClangDiagnosticsEmitter.h" #include "CodeEmitterGen.h" #include "DAGISelEmitter.h" +#include "DFAPacketizerEmitter.h" #include "DisassemblerEmitter.h" +#include "EDEmitter.h" #include "FastISelEmitter.h" -#include "InstrEnumEmitter.h" #include "InstrInfoEmitter.h" #include "IntrinsicEmitter.h" -#include "LLVMCConfigurationEmitter.h" -#include "OptParserEmitter.h" -#include "Record.h" +#include "PseudoLoweringEmitter.h" #include "RegisterInfoEmitter.h" #include "SubtargetEmitter.h" -#include "TGParser.h" +#include "SetTheory.h" + #include "llvm/Support/CommandLine.h" -#include "llvm/Support/FileUtilities.h" -#include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/PrettyStackTrace.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/System/Signals.h" -#include -#include +#include "llvm/Support/Signals.h" +#include "llvm/TableGen/Error.h" +#include "llvm/TableGen/Main.h" +#include "llvm/TableGen/Record.h" +#include "llvm/TableGen/TableGenAction.h" + using namespace llvm; enum ActionType { PrintRecords, GenEmitter, - GenRegisterEnums, GenRegister, GenRegisterHeader, - GenInstrEnums, GenInstrs, GenAsmWriter, GenAsmMatcher, + GenRegisterInfo, + GenInstrInfo, + GenAsmWriter, + GenAsmMatcher, GenDisassembler, + GenPseudoLowering, GenCallingConv, - GenClangDiagsDefs, - GenClangDiagGroups, GenDAGISel, + GenDFAPacketizer, GenFastISel, - GenOptParserDefs, GenOptParserImpl, GenSubtarget, GenIntrinsic, GenTgtIntrinsic, - GenLLVMCConf, - PrintEnums + GenEDInfo, + PrintEnums, + PrintSets }; namespace { @@ -68,15 +65,9 @@ namespace { "Print all records to stdout (default)"), clEnumValN(GenEmitter, "gen-emitter", "Generate machine code emitter"), - clEnumValN(GenRegisterEnums, "gen-register-enums", - "Generate enum values for registers"), - clEnumValN(GenRegister, "gen-register-desc", - "Generate a register info description"), - clEnumValN(GenRegisterHeader, "gen-register-desc-header", - "Generate a register info description header"), - clEnumValN(GenInstrEnums, "gen-instr-enums", - "Generate enum values for instructions"), - clEnumValN(GenInstrs, "gen-instr-desc", + clEnumValN(GenRegisterInfo, "gen-register-info", + "Generate registers and register classes info"), + clEnumValN(GenInstrInfo, "gen-instr-info", "Generate instruction descriptions"), clEnumValN(GenCallingConv, "gen-callingconv", "Generate calling convention descriptions"), @@ -84,213 +75,124 @@ namespace { "Generate assembly writer"), clEnumValN(GenDisassembler, "gen-disassembler", "Generate disassembler"), + clEnumValN(GenPseudoLowering, "gen-pseudo-lowering", + "Generate pseudo instruction lowering"), clEnumValN(GenAsmMatcher, "gen-asm-matcher", "Generate assembly instruction matcher"), clEnumValN(GenDAGISel, "gen-dag-isel", "Generate a DAG instruction selector"), + clEnumValN(GenDFAPacketizer, "gen-dfa-packetizer", + "Generate DFA Packetizer for VLIW targets"), clEnumValN(GenFastISel, "gen-fast-isel", "Generate a \"fast\" instruction selector"), - clEnumValN(GenOptParserDefs, "gen-opt-parser-defs", - "Generate option definitions"), - clEnumValN(GenOptParserImpl, "gen-opt-parser-impl", - "Generate option parser implementation"), clEnumValN(GenSubtarget, "gen-subtarget", "Generate subtarget enumerations"), clEnumValN(GenIntrinsic, "gen-intrinsic", "Generate intrinsic information"), clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic", "Generate target intrinsic information"), - clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs", - "Generate Clang diagnostics definitions"), - clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups", - "Generate Clang diagnostic groups"), - clEnumValN(GenLLVMCConf, "gen-llvmc", - "Generate LLVMC configuration library"), + clEnumValN(GenEDInfo, "gen-enhanced-disassembly-info", + "Generate enhanced disassembly info"), clEnumValN(PrintEnums, "print-enums", "Print enum values for a class"), + clEnumValN(PrintSets, "print-sets", + "Print expanded sets for testing DAG exprs"), clEnumValEnd)); cl::opt Class("class", cl::desc("Print Enum list for this class"), cl::value_desc("class name")); - - cl::opt - OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"), - cl::init("-")); - - cl::opt - InputFilename(cl::Positional, cl::desc(""), cl::init("-")); - - cl::list - IncludeDirs("I", cl::desc("Directory of include files"), - cl::value_desc("directory"), cl::Prefix); - - cl::opt - ClangComponent("clang-component", - cl::desc("Only use warnings from specified component"), - cl::value_desc("component"), cl::Hidden); -} - - -// FIXME: Eliminate globals from tblgen. -RecordKeeper llvm::Records; - -static SourceMgr SrcMgr; - -void llvm::PrintError(SMLoc ErrorLoc, const std::string &Msg) { - SrcMgr.PrintMessage(ErrorLoc, Msg, "error"); } - - -/// ParseFile - this function begins the parsing of the specified tablegen -/// file. -static bool ParseFile(const std::string &Filename, - const std::vector &IncludeDirs, - SourceMgr &SrcMgr) { - std::string ErrorStr; - MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr); - if (F == 0) { - errs() << "Could not open input file '" << Filename << "': " - << ErrorStr <<"\n"; - return true; - } - - // Tell SrcMgr about this buffer, which is what TGParser will pick up. - SrcMgr.AddNewSourceBuffer(F, SMLoc()); - - // Record the location of the include directory so that the lexer can find - // it later. - SrcMgr.setIncludeDirs(IncludeDirs); - - TGParser Parser(SrcMgr); - - return Parser.ParseFile(); -} - -int main(int argc, char **argv) { - sys::PrintStackTraceOnErrorSignal(); - PrettyStackTraceProgram X(argc, argv); - cl::ParseCommandLineOptions(argc, argv); - - - // Parse the input file. - if (ParseFile(InputFilename, IncludeDirs, SrcMgr)) - return 1; - - raw_ostream *Out = &outs(); - if (OutputFilename != "-") { - std::string Error; - Out = new raw_fd_ostream(OutputFilename.c_str(), Error); - - if (!Error.empty()) { - errs() << argv[0] << ": error opening " << OutputFilename - << ":" << Error << "\n"; - return 1; - } - - // Make sure the file gets removed if *gasp* tablegen crashes... - sys::RemoveFileOnSignal(sys::Path(OutputFilename)); - } - - try { +class LLVMTableGenAction : public TableGenAction { +public: + bool operator()(raw_ostream &OS, RecordKeeper &Records) { switch (Action) { case PrintRecords: - *Out << Records; // No argument, dump all contents + OS << Records; // No argument, dump all contents break; case GenEmitter: - CodeEmitterGen(Records).run(*Out); - break; - - case GenRegisterEnums: - RegisterInfoEmitter(Records).runEnums(*Out); + CodeEmitterGen(Records).run(OS); break; - case GenRegister: - RegisterInfoEmitter(Records).run(*Out); + case GenRegisterInfo: + RegisterInfoEmitter(Records).run(OS); break; - case GenRegisterHeader: - RegisterInfoEmitter(Records).runHeader(*Out); - break; - case GenInstrEnums: - InstrEnumEmitter(Records).run(*Out); - break; - case GenInstrs: - InstrInfoEmitter(Records).run(*Out); + case GenInstrInfo: + InstrInfoEmitter(Records).run(OS); break; case GenCallingConv: - CallingConvEmitter(Records).run(*Out); + CallingConvEmitter(Records).run(OS); break; case GenAsmWriter: - AsmWriterEmitter(Records).run(*Out); + AsmWriterEmitter(Records).run(OS); break; case GenAsmMatcher: - AsmMatcherEmitter(Records).run(*Out); - break; - case GenClangDiagsDefs: - ClangDiagsDefsEmitter(Records, ClangComponent).run(*Out); - break; - case GenClangDiagGroups: - ClangDiagGroupsEmitter(Records).run(*Out); + AsmMatcherEmitter(Records).run(OS); break; case GenDisassembler: - DisassemblerEmitter(Records).run(*Out); - break; - case GenOptParserDefs: - OptParserEmitter(Records, true).run(*Out); + DisassemblerEmitter(Records).run(OS); break; - case GenOptParserImpl: - OptParserEmitter(Records, false).run(*Out); + case GenPseudoLowering: + PseudoLoweringEmitter(Records).run(OS); break; case GenDAGISel: - DAGISelEmitter(Records).run(*Out); + DAGISelEmitter(Records).run(OS); + break; + case GenDFAPacketizer: + DFAGen(Records).run(OS); break; case GenFastISel: - FastISelEmitter(Records).run(*Out); + FastISelEmitter(Records).run(OS); break; case GenSubtarget: - SubtargetEmitter(Records).run(*Out); + SubtargetEmitter(Records).run(OS); break; case GenIntrinsic: - IntrinsicEmitter(Records).run(*Out); + IntrinsicEmitter(Records).run(OS); break; case GenTgtIntrinsic: - IntrinsicEmitter(Records, true).run(*Out); + IntrinsicEmitter(Records, true).run(OS); break; - case GenLLVMCConf: - LLVMCConfigurationEmitter(Records).run(*Out); + case GenEDInfo: + EDEmitter(Records).run(OS); break; case PrintEnums: { std::vector Recs = Records.getAllDerivedDefinitions(Class); for (unsigned i = 0, e = Recs.size(); i != e; ++i) - *Out << Recs[i]->getName() << ", "; - *Out << "\n"; + OS << Recs[i]->getName() << ", "; + OS << "\n"; + break; + } + case PrintSets: + { + SetTheory Sets; + Sets.addFieldExpander("Set", "Elements"); + std::vector Recs = Records.getAllDerivedDefinitions("Set"); + for (unsigned i = 0, e = Recs.size(); i != e; ++i) { + OS << Recs[i]->getName() << " = ["; + const std::vector *Elts = Sets.expand(Recs[i]); + assert(Elts && "Couldn't expand Set instance"); + for (unsigned ei = 0, ee = Elts->size(); ei != ee; ++ei) + OS << ' ' << (*Elts)[ei]->getName(); + OS << " ]\n"; + } break; } default: assert(1 && "Invalid Action"); - return 1; + return true; } - - if (Out != &outs()) - delete Out; // Close the file - return 0; - - } catch (const TGError &Error) { - errs() << argv[0] << ": error:\n"; - PrintError(Error.getLoc(), Error.getMessage()); - - } catch (const std::string &Error) { - errs() << argv[0] << ": " << Error << "\n"; - } catch (const char *Error) { - errs() << argv[0] << ": " << Error << "\n"; - } catch (...) { - errs() << argv[0] << ": Unknown unexpected exception occurred.\n"; - } - - if (Out != &outs()) { - delete Out; // Close the file - std::remove(OutputFilename.c_str()); // Remove the file, it's broken + + return false; } - return 1; +}; + +int main(int argc, char **argv) { + sys::PrintStackTraceOnErrorSignal(); + PrettyStackTraceProgram X(argc, argv); + cl::ParseCommandLineOptions(argc, argv); + + LLVMTableGenAction Action; + return TableGenMain(argv[0], Action); }