X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FTableGen.cpp;h=02fe4dc98bea67a7683be81a86b8c3c19b60bbca;hb=fd491461fc4bf24de4b29d5fba6f2c09c5d2311f;hp=22c5d50415544d6f446a1e4136d1fde952c9e341;hpb=557f7f88ba686886278f83159b7a629c24a47176;p=oota-llvm.git diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp index 22c5d504155..02fe4dc98be 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 // @@ -7,54 +7,41 @@ // //===----------------------------------------------------------------------===// // -// 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 "Record.h" -#include "TGParser.h" +#include "TableGenBackends.h" // Declares all backends. #include "llvm/Support/CommandLine.h" -#include "llvm/Support/Streams.h" -#include "llvm/System/Signals.h" -#include "llvm/Support/FileUtilities.h" -#include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/PrettyStackTrace.h" -#include "CallingConvEmitter.h" -#include "CodeEmitterGen.h" -#include "RegisterInfoEmitter.h" -#include "InstrInfoEmitter.h" -#include "InstrEnumEmitter.h" -#include "AsmWriterEmitter.h" -#include "DAGISelEmitter.h" -#include "FastISelEmitter.h" -#include "SubtargetEmitter.h" -#include "IntrinsicEmitter.h" -#include "LLVMCConfigurationEmitter.h" -#include "ClangDiagnosticsEmitter.h" -#include -#include -#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/SetTheory.h" + using namespace llvm; enum ActionType { PrintRecords, GenEmitter, - GenRegisterEnums, GenRegister, GenRegisterHeader, - GenInstrEnums, GenInstrs, GenAsmWriter, + GenRegisterInfo, + GenInstrInfo, + GenAsmWriter, + GenAsmMatcher, + GenDisassembler, + GenPseudoLowering, GenCallingConv, - GenClangDiagsDefs, GenDAGISel, + GenDFAPacketizer, GenFastISel, GenSubtarget, GenIntrinsic, GenTgtIntrinsic, - GenLLVMCConf, - PrintEnums + PrintEnums, + PrintSets, + GenOptParserDefs, + GenCTags }; namespace { @@ -64,22 +51,24 @@ 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"), clEnumValN(GenAsmWriter, "gen-asm-writer", "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(GenSubtarget, "gen-subtarget", @@ -88,69 +77,98 @@ namespace { "Generate intrinsic information"), clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic", "Generate target intrinsic information"), - clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs", - "Generate Clang diagnostics definitions"), - clEnumValN(GenLLVMCConf, "gen-llvmc", - "Generate LLVMC configuration library"), clEnumValN(PrintEnums, "print-enums", "Print enum values for a class"), + clEnumValN(PrintSets, "print-sets", + "Print expanded sets for testing DAG exprs"), + clEnumValN(GenOptParserDefs, "gen-opt-parser-defs", + "Generate option definitions"), + clEnumValN(GenCTags, "gen-ctags", + "Generate ctags-compatible index"), 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 TGSourceMgr SrcMgr; - -void llvm::PrintError(TGLoc ErrorLoc, const std::string &Msg) { - SrcMgr.PrintError(ErrorLoc, Msg); -} - - - -/// ParseFile - this function begins the parsing of the specified tablegen -/// file. -static bool ParseFile(const std::string &Filename, - const std::vector &IncludeDirs, - TGSourceMgr &SrcMgr) { - std::string ErrorStr; - MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr); - if (F == 0) { - cerr << "Could not open input file '" + Filename + "': " << ErrorStr <<"\n"; - return true; + cl::value_desc("class name")); + +bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) { + switch (Action) { + case PrintRecords: + OS << Records; // No argument, dump all contents + break; + case GenEmitter: + EmitCodeEmitter(Records, OS); + break; + case GenRegisterInfo: + EmitRegisterInfo(Records, OS); + break; + case GenInstrInfo: + EmitInstrInfo(Records, OS); + break; + case GenCallingConv: + EmitCallingConv(Records, OS); + break; + case GenAsmWriter: + EmitAsmWriter(Records, OS); + break; + case GenAsmMatcher: + EmitAsmMatcher(Records, OS); + break; + case GenDisassembler: + EmitDisassembler(Records, OS); + break; + case GenPseudoLowering: + EmitPseudoLowering(Records, OS); + break; + case GenDAGISel: + EmitDAGISel(Records, OS); + break; + case GenDFAPacketizer: + EmitDFAPacketizer(Records, OS); + break; + case GenFastISel: + EmitFastISel(Records, OS); + break; + case GenSubtarget: + EmitSubtarget(Records, OS); + break; + case GenIntrinsic: + EmitIntrinsics(Records, OS); + break; + case GenTgtIntrinsic: + EmitIntrinsics(Records, OS, true); + break; + case GenOptParserDefs: + EmitOptParser(Records, OS); + break; + case PrintEnums: + { + for (Record *Rec : Records.getAllDerivedDefinitions(Class)) + OS << Rec->getName() << ", "; + OS << "\n"; + break; + } + case PrintSets: + { + SetTheory Sets; + Sets.addFieldExpander("Set", "Elements"); + for (Record *Rec : Records.getAllDerivedDefinitions("Set")) { + OS << Rec->getName() << " = ["; + const std::vector *Elts = Sets.expand(Rec); + assert(Elts && "Couldn't expand Set instance"); + for (Record *Elt : *Elts) + OS << ' ' << Elt->getName(); + OS << " ]\n"; + } + break; + } + case GenCTags: + EmitCTags(Records, OS); + break; } - - // Tell SrcMgr about this buffer, which is what TGParser will pick up. - SrcMgr.AddNewSourceBuffer(F, TGLoc()); - - TGParser Parser(SrcMgr); - - // Record the location of the include directory so that the lexer can find - // it later. - Parser.setIncludeDirs(IncludeDirs); - return Parser.ParseFile(); + return false; +} } int main(int argc, char **argv) { @@ -158,107 +176,14 @@ int main(int argc, char **argv) { PrettyStackTraceProgram X(argc, argv); cl::ParseCommandLineOptions(argc, argv); - - // Parse the input file. - if (ParseFile(InputFilename, IncludeDirs, SrcMgr)) - return 1; - - std::ostream *Out = cout.stream(); - if (OutputFilename != "-") { - Out = new std::ofstream(OutputFilename.c_str()); - - if (!Out->good()) { - cerr << argv[0] << ": error opening " << OutputFilename << "!\n"; - return 1; - } - - // Make sure the file gets removed if *gasp* tablegen crashes... - sys::RemoveFileOnSignal(sys::Path(OutputFilename)); - } - - try { - switch (Action) { - case PrintRecords: - *Out << Records; // No argument, dump all contents - break; - case GenEmitter: - CodeEmitterGen(Records).run(*Out); - break; - - case GenRegisterEnums: - RegisterInfoEmitter(Records).runEnums(*Out); - break; - case GenRegister: - RegisterInfoEmitter(Records).run(*Out); - break; - case GenRegisterHeader: - RegisterInfoEmitter(Records).runHeader(*Out); - break; - case GenInstrEnums: - InstrEnumEmitter(Records).run(*Out); - break; - case GenInstrs: - InstrInfoEmitter(Records).run(*Out); - break; - case GenCallingConv: - CallingConvEmitter(Records).run(*Out); - break; - case GenAsmWriter: - AsmWriterEmitter(Records).run(*Out); - break; - case GenClangDiagsDefs: - ClangDiagsDefsEmitter(Records, ClangComponent).run(*Out); - break; - case GenDAGISel: - DAGISelEmitter(Records).run(*Out); - break; - case GenFastISel: - FastISelEmitter(Records).run(*Out); - break; - case GenSubtarget: - SubtargetEmitter(Records).run(*Out); - break; - case GenIntrinsic: - IntrinsicEmitter(Records).run(*Out); - break; - case GenTgtIntrinsic: - IntrinsicEmitter(Records, true).run(*Out); - break; - case GenLLVMCConf: - LLVMCConfigurationEmitter(Records).run(*Out); - 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"; - break; - } - default: - assert(1 && "Invalid Action"); - return 1; - } - - if (Out != cout.stream()) - delete Out; // Close the file - return 0; - - } catch (const TGError &Error) { - cerr << argv[0] << ": error:\n"; - PrintError(Error.getLoc(), Error.getMessage()); - - } catch (const std::string &Error) { - cerr << argv[0] << ": " << Error << "\n"; - } catch (const char *Error) { - cerr << argv[0] << ": " << Error << "\n"; - } catch (...) { - cerr << argv[0] << ": Unknown unexpected exception occurred.\n"; - } - - if (Out != cout.stream()) { - delete Out; // Close the file - std::remove(OutputFilename.c_str()); // Remove the file, it's broken - } - return 1; + return TableGenMain(argv[0], &LLVMTableGenMain); } + +#ifdef __has_feature +#if __has_feature(address_sanitizer) +#include +// Disable LeakSanitizer for this binary as it has too many leaks that are not +// very interesting to fix. See compiler-rt/include/sanitizer/lsan_interface.h . +int __lsan_is_turned_off() { return 1; } +#endif // __has_feature(address_sanitizer) +#endif // defined(__has_feature)