1 //===- TableGen.cpp - Top-Level TableGen implementation for LLVM ----------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file contains the global defintions (mostly command line parameters)
10 // shared between llvm-tblgen and llvm-min-tblgen.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "TableGen.h"
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/Support/CommandLine.h"
17 #include "llvm/Support/InitLLVM.h"
18 #include "llvm/Support/raw_ostream.h"
19 #include "llvm/TableGen/Main.h"
20 #include "llvm/TableGen/Record.h"
21 #include "llvm/TableGen/SetTheory.h"
22 #include "llvm/TableGen/TableGenBackend.h"
23 #include <cassert>
24 #include <string>
25 #include <vector>
26
27 using namespace llvm;
28
29 static cl::OptionCategory PrintEnumsCat("Options for -print-enums");
30 static cl::opt<std::string> Class("class",
31 cl::desc("Print Enum list for this class"),
32 cl::value_desc("class name"),
33 cl::cat(PrintEnumsCat));
34
printRecords(const RecordKeeper & Records,raw_ostream & OS)35 static void printRecords(const RecordKeeper &Records, raw_ostream &OS) {
36 OS << Records; // No argument, dump all contents
37 }
38
printEnums(const RecordKeeper & Records,raw_ostream & OS)39 static void printEnums(const RecordKeeper &Records, raw_ostream &OS) {
40 for (const Record *Rec : Records.getAllDerivedDefinitions(Class))
41 OS << Rec->getName() << ", ";
42 OS << "\n";
43 }
44
printSets(const RecordKeeper & Records,raw_ostream & OS)45 static void printSets(const RecordKeeper &Records, raw_ostream &OS) {
46 SetTheory Sets;
47 Sets.addFieldExpander("Set", "Elements");
48 for (const Record *Rec : Records.getAllDerivedDefinitions("Set")) {
49 OS << Rec->getName() << " = [";
50 const std::vector<const Record *> *Elts = Sets.expand(Rec);
51 assert(Elts && "Couldn't expand Set instance");
52 for (const Record *Elt : *Elts)
53 OS << ' ' << Elt->getName();
54 OS << " ]\n";
55 }
56 }
57
58 static TableGen::Emitter::Opt X[] = {
59 {"print-records", printRecords, "Print all records to stdout (default)",
60 true},
61 {"print-detailed-records", EmitDetailedRecords,
62 "Print full details of all records to stdout"},
__anon754f012e0102() 63 {"null-backend", [](const RecordKeeper &Records, raw_ostream &OS) {},
64 "Do nothing after parsing (useful for timing)"},
65 {"dump-json", EmitJSON, "Dump all records as machine-readable JSON"},
66 {"print-enums", printEnums, "Print enum values for a class"},
67 {"print-sets", printSets, "Print expanded sets for testing DAG exprs"},
68 };
69
tblgen_main(int argc,char ** argv)70 int tblgen_main(int argc, char **argv) {
71 InitLLVM X(argc, argv);
72 cl::ParseCommandLineOptions(argc, argv);
73
74 return TableGenMain(argv[0]);
75 }
76
77 #ifndef __has_feature
78 #define __has_feature(x) 0
79 #endif
80
81 #if __has_feature(address_sanitizer) || \
82 (defined(__SANITIZE_ADDRESS__) && defined(__GNUC__)) || \
83 __has_feature(leak_sanitizer)
84
85 #include <sanitizer/lsan_interface.h>
86 // Disable LeakSanitizer for this binary as it has too many leaks that are not
87 // very interesting to fix. See compiler-rt/include/sanitizer/lsan_interface.h .
__lsan_is_turned_off()88 LLVM_ATTRIBUTE_USED int __lsan_is_turned_off() { return 1; }
89
90 #endif
91