1 //===- TableGen.cpp - Top-Level TableGen implementation for LLVM ----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the main function for LLVM's TableGen.
12 //===----------------------------------------------------------------------===//
14 #include "TableGenBackends.h" // Declares all backends.
15 #include "llvm/Support/CommandLine.h"
16 #include "llvm/Support/ManagedStatic.h"
17 #include "llvm/Support/PrettyStackTrace.h"
18 #include "llvm/Support/Signals.h"
19 #include "llvm/TableGen/Error.h"
20 #include "llvm/TableGen/Main.h"
21 #include "llvm/TableGen/Record.h"
22 #include "llvm/TableGen/SetTheory.h"
52 Action(cl::desc("Action to perform:"),
53 cl::values(clEnumValN(PrintRecords, "print-records",
54 "Print all records to stdout (default)"),
55 clEnumValN(GenEmitter, "gen-emitter",
56 "Generate machine code emitter"),
57 clEnumValN(GenRegisterInfo, "gen-register-info",
58 "Generate registers and register classes info"),
59 clEnumValN(GenInstrInfo, "gen-instr-info",
60 "Generate instruction descriptions"),
61 clEnumValN(GenCallingConv, "gen-callingconv",
62 "Generate calling convention descriptions"),
63 clEnumValN(GenAsmWriter, "gen-asm-writer",
64 "Generate assembly writer"),
65 clEnumValN(GenDisassembler, "gen-disassembler",
66 "Generate disassembler"),
67 clEnumValN(GenPseudoLowering, "gen-pseudo-lowering",
68 "Generate pseudo instruction lowering"),
69 clEnumValN(GenAsmMatcher, "gen-asm-matcher",
70 "Generate assembly instruction matcher"),
71 clEnumValN(GenDAGISel, "gen-dag-isel",
72 "Generate a DAG instruction selector"),
73 clEnumValN(GenDFAPacketizer, "gen-dfa-packetizer",
74 "Generate DFA Packetizer for VLIW targets"),
75 clEnumValN(GenFastISel, "gen-fast-isel",
76 "Generate a \"fast\" instruction selector"),
77 clEnumValN(GenSubtarget, "gen-subtarget",
78 "Generate subtarget enumerations"),
79 clEnumValN(GenIntrinsic, "gen-intrinsic",
80 "Generate intrinsic information"),
81 clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
82 "Generate target intrinsic information"),
83 clEnumValN(PrintEnums, "print-enums",
84 "Print enum values for a class"),
85 clEnumValN(PrintSets, "print-sets",
86 "Print expanded sets for testing DAG exprs"),
87 clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
88 "Generate option definitions"),
89 clEnumValN(GenCTags, "gen-ctags",
90 "Generate ctags-compatible index"),
91 clEnumValN(GenAttributes, "gen-attrs",
92 "Generate attributes"),
93 clEnumValN(GenSearchableTables, "gen-searchable-tables",
94 "Generate generic binary-searchable table"),
98 Class("class", cl::desc("Print Enum list for this class"),
99 cl::value_desc("class name"));
101 bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
104 OS << Records; // No argument, dump all contents
107 EmitCodeEmitter(Records, OS);
109 case GenRegisterInfo:
110 EmitRegisterInfo(Records, OS);
113 EmitInstrInfo(Records, OS);
116 EmitCallingConv(Records, OS);
119 EmitAsmWriter(Records, OS);
122 EmitAsmMatcher(Records, OS);
124 case GenDisassembler:
125 EmitDisassembler(Records, OS);
127 case GenPseudoLowering:
128 EmitPseudoLowering(Records, OS);
131 EmitDAGISel(Records, OS);
133 case GenDFAPacketizer:
134 EmitDFAPacketizer(Records, OS);
137 EmitFastISel(Records, OS);
140 EmitSubtarget(Records, OS);
143 EmitIntrinsics(Records, OS);
145 case GenTgtIntrinsic:
146 EmitIntrinsics(Records, OS, true);
148 case GenOptParserDefs:
149 EmitOptParser(Records, OS);
153 for (Record *Rec : Records.getAllDerivedDefinitions(Class))
154 OS << Rec->getName() << ", ";
161 Sets.addFieldExpander("Set", "Elements");
162 for (Record *Rec : Records.getAllDerivedDefinitions("Set")) {
163 OS << Rec->getName() << " = [";
164 const std::vector<Record*> *Elts = Sets.expand(Rec);
165 assert(Elts && "Couldn't expand Set instance");
166 for (Record *Elt : *Elts)
167 OS << ' ' << Elt->getName();
173 EmitCTags(Records, OS);
176 EmitAttributes(Records, OS);
178 case GenSearchableTables:
179 EmitSearchableTables(Records, OS);
187 int main(int argc, char **argv) {
188 sys::PrintStackTraceOnErrorSignal(argv[0]);
189 PrettyStackTraceProgram X(argc, argv);
190 cl::ParseCommandLineOptions(argc, argv);
194 return TableGenMain(argv[0], &LLVMTableGenMain);
198 #if __has_feature(address_sanitizer)
199 #include <sanitizer/lsan_interface.h>
200 // Disable LeakSanitizer for this binary as it has too many leaks that are not
201 // very interesting to fix. See compiler-rt/include/sanitizer/lsan_interface.h .
202 int __lsan_is_turned_off() { return 1; }
203 #endif // __has_feature(address_sanitizer)
204 #endif // defined(__has_feature)