LLVM  14.0.0git
MCTargetOptionsCommandFlags.cpp
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1 //===-- MCTargetOptionsCommandFlags.cpp --------------------------*- C++
2 //-*-===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file contains machine code-specific flags that are shared between
11 // different command line tools.
12 //
13 //===----------------------------------------------------------------------===//
14 
18 
19 using namespace llvm;
20 
21 #define MCOPT(TY, NAME) \
22  static cl::opt<TY> *NAME##View; \
23  TY llvm::mc::get##NAME() { \
24  assert(NAME##View && "RegisterMCTargetOptionsFlags not created."); \
25  return *NAME##View; \
26  }
27 
28 #define MCOPT_EXP(TY, NAME) \
29  MCOPT(TY, NAME) \
30  Optional<TY> llvm::mc::getExplicit##NAME() { \
31  if (NAME##View->getNumOccurrences()) { \
32  TY res = *NAME##View; \
33  return res; \
34  } \
35  return None; \
36  }
37 
38 MCOPT_EXP(bool, RelaxAll)
39 MCOPT(bool, IncrementalLinkerCompatible)
40 MCOPT(int, DwarfVersion)
41 MCOPT(bool, Dwarf64)
42 MCOPT(bool, ShowMCInst)
43 MCOPT(bool, FatalWarnings)
44 MCOPT(bool, NoWarn)
45 MCOPT(bool, NoDeprecatedWarn)
46 MCOPT(bool, NoTypeCheck)
47 MCOPT(std::string, ABIName)
48 
50 #define MCBINDOPT(NAME) \
51  do { \
52  NAME##View = std::addressof(NAME); \
53  } while (0)
54 
55  static cl::opt<bool> RelaxAll(
56  "mc-relax-all", cl::desc("When used with filetype=obj, relax all fixups "
57  "in the emitted object file"));
58  MCBINDOPT(RelaxAll);
59 
60  static cl::opt<bool> IncrementalLinkerCompatible(
61  "incremental-linker-compatible",
62  cl::desc(
63  "When used with filetype=obj, "
64  "emit an object file which can be used with an incremental linker"));
65  MCBINDOPT(IncrementalLinkerCompatible);
66 
67  static cl::opt<int> DwarfVersion("dwarf-version", cl::desc("Dwarf version"),
68  cl::init(0));
69  MCBINDOPT(DwarfVersion);
70 
71  static cl::opt<bool> Dwarf64(
72  "dwarf64",
73  cl::desc("Generate debugging info in the 64-bit DWARF format"));
74  MCBINDOPT(Dwarf64);
75 
76  static cl::opt<bool> ShowMCInst(
77  "asm-show-inst",
78  cl::desc("Emit internal instruction representation to assembly file"));
79  MCBINDOPT(ShowMCInst);
80 
81  static cl::opt<bool> FatalWarnings("fatal-warnings",
82  cl::desc("Treat warnings as errors"));
83  MCBINDOPT(FatalWarnings);
84 
85  static cl::opt<bool> NoWarn("no-warn", cl::desc("Suppress all warnings"));
86  static cl::alias NoWarnW("W", cl::desc("Alias for --no-warn"),
87  cl::aliasopt(NoWarn));
88  MCBINDOPT(NoWarn);
89 
90  static cl::opt<bool> NoDeprecatedWarn(
91  "no-deprecated-warn", cl::desc("Suppress all deprecated warnings"));
92  MCBINDOPT(NoDeprecatedWarn);
93 
94  static cl::opt<bool> NoTypeCheck(
95  "no-type-check", cl::desc("Suppress type errors (Wasm)"));
96  MCBINDOPT(NoTypeCheck);
97 
98  static cl::opt<std::string> ABIName(
99  "target-abi", cl::Hidden,
100  cl::desc("The name of the ABI to be targeted from the backend."),
101  cl::init(""));
102  MCBINDOPT(ABIName);
103 
104 #undef MCBINDOPT
105 }
106 
109  Options.MCRelaxAll = getRelaxAll();
110  Options.MCIncrementalLinkerCompatible = getIncrementalLinkerCompatible();
111  Options.Dwarf64 = getDwarf64();
112  Options.DwarfVersion = getDwarfVersion();
113  Options.ShowMCInst = getShowMCInst();
114  Options.ABIName = getABIName();
115  Options.MCFatalWarnings = getFatalWarnings();
116  Options.MCNoWarn = getNoWarn();
117  Options.MCNoDeprecatedWarn = getNoDeprecatedWarn();
118  Options.MCNoTypeCheck = getNoTypeCheck();
119  return Options;
120 }
llvm
This file implements support for optimizing divisions by a constant.
Definition: AllocatorList.h:23
MCTargetOptions.h
MCTargetOptionsCommandFlags.h
llvm::cl::Hidden
@ Hidden
Definition: CommandLine.h:143
llvm::mc::InitMCTargetOptionsFromFlags
MCTargetOptions InitMCTargetOptionsFromFlags()
Definition: MCTargetOptionsCommandFlags.cpp:107
MCBINDOPT
#define MCBINDOPT(NAME)
llvm::mc::getIncrementalLinkerCompatible
bool getIncrementalLinkerCompatible()
CommandLine.h
llvm::cl::aliasopt
Definition: CommandLine.h:1931
MCOPT
#define MCOPT(TY, NAME)
Definition: MCTargetOptionsCommandFlags.cpp:21
Options
const char LLVMTargetMachineRef LLVMPassBuilderOptionsRef Options
Definition: PassBuilderBindings.cpp:48
llvm::mc::getNoTypeCheck
bool getNoTypeCheck()
llvm::cl::opt< bool >
llvm::mc::getDwarf64
bool getDwarf64()
llvm::cl::init
initializer< Ty > init(const Ty &Val)
Definition: CommandLine.h:441
llvm::mc::getDwarfVersion
int getDwarfVersion()
llvm::mc::getABIName
std::string getABIName()
llvm::MCTargetOptions
Definition: MCTargetOptions.h:36
MCOPT_EXP
#define MCOPT_EXP(TY, NAME)
Definition: MCTargetOptionsCommandFlags.cpp:28
llvm::cl::alias
Definition: CommandLine.h:1872
llvm::mc::RegisterMCTargetOptionsFlags
Create this object with static storage to register mc-related command line options.
Definition: MCTargetOptionsCommandFlags.h:49
llvm::mc::getNoDeprecatedWarn
bool getNoDeprecatedWarn()
llvm::mc::getShowMCInst
bool getShowMCInst()
llvm::mc::getFatalWarnings
bool getFatalWarnings()
llvm::mc::getRelaxAll
bool getRelaxAll()
llvm::cl::desc
Definition: CommandLine.h:412
llvm::mc::getNoWarn
bool getNoWarn()