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"
53 Action(cl::desc("Action to perform:"),
54 cl::values(clEnumValN(PrintRecords, "print-records",
55 "Print all records to stdout (default)"),
56 clEnumValN(GenEmitter, "gen-emitter",
57 "Generate machine code emitter"),
58 clEnumValN(GenRegisterInfo, "gen-register-info",
59 "Generate registers and register classes info"),
60 clEnumValN(GenInstrInfo, "gen-instr-info",
61 "Generate instruction descriptions"),
62 clEnumValN(GenCallingConv, "gen-callingconv",
63 "Generate calling convention descriptions"),
64 clEnumValN(GenAsmWriter, "gen-asm-writer",
65 "Generate assembly writer"),
66 clEnumValN(GenDisassembler, "gen-disassembler",
67 "Generate disassembler"),
68 clEnumValN(GenPseudoLowering, "gen-pseudo-lowering",
69 "Generate pseudo instruction lowering"),
70 clEnumValN(GenAsmMatcher, "gen-asm-matcher",
71 "Generate assembly instruction matcher"),
72 clEnumValN(GenDAGISel, "gen-dag-isel",
73 "Generate a DAG instruction selector"),
74 clEnumValN(GenDFAPacketizer, "gen-dfa-packetizer",
75 "Generate DFA Packetizer for VLIW targets"),
76 clEnumValN(GenFastISel, "gen-fast-isel",
77 "Generate a \"fast\" instruction selector"),
78 clEnumValN(GenSubtarget, "gen-subtarget",
79 "Generate subtarget enumerations"),
80 clEnumValN(GenIntrinsic, "gen-intrinsic",
81 "Generate intrinsic information"),
82 clEnumValN(GenTgtIntrinsic, "gen-tgt-intrinsic",
83 "Generate target intrinsic information"),
84 clEnumValN(PrintEnums, "print-enums",
85 "Print enum values for a class"),
86 clEnumValN(PrintSets, "print-sets",
87 "Print expanded sets for testing DAG exprs"),
88 clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
89 "Generate option definitions"),
90 clEnumValN(GenCTags, "gen-ctags",
91 "Generate ctags-compatible index"),
92 clEnumValN(GenAttributes, "gen-attrs",
93 "Generate attributes"),
94 clEnumValN(GenSearchableTables, "gen-searchable-tables",
95 "Generate generic binary-searchable table"),
96 clEnumValN(GenGlobalISel, "gen-global-isel",
97 "Generate GlobalISel selector")));
100 Class("class", cl::desc("Print Enum list for this class"),
101 cl::value_desc("class name"));
103 bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
106 OS << Records; // No argument, dump all contents
109 EmitCodeEmitter(Records, OS);
111 case GenRegisterInfo:
112 EmitRegisterInfo(Records, OS);
115 EmitInstrInfo(Records, OS);
118 EmitCallingConv(Records, OS);
121 EmitAsmWriter(Records, OS);
124 EmitAsmMatcher(Records, OS);
126 case GenDisassembler:
127 EmitDisassembler(Records, OS);
129 case GenPseudoLowering:
130 EmitPseudoLowering(Records, OS);
133 EmitDAGISel(Records, OS);
135 case GenDFAPacketizer:
136 EmitDFAPacketizer(Records, OS);
139 EmitFastISel(Records, OS);
142 EmitSubtarget(Records, OS);
145 EmitIntrinsics(Records, OS);
147 case GenTgtIntrinsic:
148 EmitIntrinsics(Records, OS, true);
150 case GenOptParserDefs:
151 EmitOptParser(Records, OS);
155 for (Record *Rec : Records.getAllDerivedDefinitions(Class))
156 OS << Rec->getName() << ", ";
163 Sets.addFieldExpander("Set", "Elements");
164 for (Record *Rec : Records.getAllDerivedDefinitions("Set")) {
165 OS << Rec->getName() << " = [";
166 const std::vector<Record*> *Elts = Sets.expand(Rec);
167 assert(Elts && "Couldn't expand Set instance");
168 for (Record *Elt : *Elts)
169 OS << ' ' << Elt->getName();
175 EmitCTags(Records, OS);
178 EmitAttributes(Records, OS);
180 case GenSearchableTables:
181 EmitSearchableTables(Records, OS);
184 EmitGlobalISel(Records, OS);
192 int main(int argc, char **argv) {
193 sys::PrintStackTraceOnErrorSignal(argv[0]);
194 PrettyStackTraceProgram X(argc, argv);
195 cl::ParseCommandLineOptions(argc, argv);
199 return TableGenMain(argv[0], &LLVMTableGenMain);
203 #if __has_feature(address_sanitizer)
204 #include <sanitizer/lsan_interface.h>
205 // Disable LeakSanitizer for this binary as it has too many leaks that are not
206 // very interesting to fix. See compiler-rt/include/sanitizer/lsan_interface.h .
207 int __lsan_is_turned_off() { return 1; }
208 #endif // __has_feature(address_sanitizer)
209 #endif // defined(__has_feature)