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llc.cpp (218885) llc.cpp (221337)
1//===-- llc.cpp - Implement the LLVM Native Code Generator ----------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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94 clEnumValEnd));
95
96cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
97 cl::desc("Do not verify input module"));
98
99cl::opt<bool> DisableDotLoc("disable-dot-loc", cl::Hidden,
100 cl::desc("Do not use .loc entries"));
101
1//===-- llc.cpp - Implement the LLVM Native Code Generator ----------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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94 clEnumValEnd));
95
96cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
97 cl::desc("Do not verify input module"));
98
99cl::opt<bool> DisableDotLoc("disable-dot-loc", cl::Hidden,
100 cl::desc("Do not use .loc entries"));
101
102cl::opt<bool> DisableCFI("disable-cfi", cl::Hidden,
103 cl::desc("Do not use .cfi_* directives"));
104
102static cl::opt<bool>
103DisableRedZone("disable-red-zone",
104 cl::desc("Do not emit code that uses the red zone."),
105 cl::init(false));
106
107static cl::opt<bool>
108NoImplicitFloats("no-implicit-float",
109 cl::desc("Don't generate implicit floating point instructions (x86-only)"),

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202 llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
203
204 // Initialize targets first, so that --version shows registered targets.
205 InitializeAllTargets();
206 InitializeAllAsmPrinters();
207 InitializeAllAsmParsers();
208
209 cl::ParseCommandLineOptions(argc, argv, "llvm system compiler\n");
105static cl::opt<bool>
106DisableRedZone("disable-red-zone",
107 cl::desc("Do not emit code that uses the red zone."),
108 cl::init(false));
109
110static cl::opt<bool>
111NoImplicitFloats("no-implicit-float",
112 cl::desc("Don't generate implicit floating point instructions (x86-only)"),

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205 llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
206
207 // Initialize targets first, so that --version shows registered targets.
208 InitializeAllTargets();
209 InitializeAllAsmPrinters();
210 InitializeAllAsmParsers();
211
212 cl::ParseCommandLineOptions(argc, argv, "llvm system compiler\n");
210
213
211 // Load the module to be compiled...
212 SMDiagnostic Err;
213 std::auto_ptr<Module> M;
214
215 M.reset(ParseIRFile(InputFilename, Err, Context));
216 if (M.get() == 0) {
217 Err.Print(argv[0], errs());
218 return 1;

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266 if (MCPU.size() || MAttrs.size()) {
267 SubtargetFeatures Features;
268 Features.setCPU(MCPU);
269 for (unsigned i = 0; i != MAttrs.size(); ++i)
270 Features.AddFeature(MAttrs[i]);
271 FeaturesStr = Features.getString();
272 }
273
214 // Load the module to be compiled...
215 SMDiagnostic Err;
216 std::auto_ptr<Module> M;
217
218 M.reset(ParseIRFile(InputFilename, Err, Context));
219 if (M.get() == 0) {
220 Err.Print(argv[0], errs());
221 return 1;

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269 if (MCPU.size() || MAttrs.size()) {
270 SubtargetFeatures Features;
271 Features.setCPU(MCPU);
272 for (unsigned i = 0; i != MAttrs.size(); ++i)
273 Features.AddFeature(MAttrs[i]);
274 FeaturesStr = Features.getString();
275 }
276
274 std::auto_ptr<TargetMachine>
277 std::auto_ptr
275 target(TheTarget->createTargetMachine(TheTriple.getTriple(), FeaturesStr));
276 assert(target.get() && "Could not allocate target machine!");
277 TargetMachine &Target = *target.get();
278
279 if (DisableDotLoc)
280 Target.setMCUseLoc(false);
278 target(TheTarget->createTargetMachine(TheTriple.getTriple(), FeaturesStr));
279 assert(target.get() && "Could not allocate target machine!");
280 TargetMachine &Target = *target.get();
281
282 if (DisableDotLoc)
283 Target.setMCUseLoc(false);
281 if (TheTriple.getOS() == Triple::Darwin) {
282 switch (TheTriple.getDarwinMajorNumber()) {
283 case 7:
284 case 8:
285 case 9:
286 // disable .loc support for older darwin OS.
287 Target.setMCUseLoc(false);
288 break;
289 default:
290 break;
291 }
292 }
293
284
285 if (DisableCFI)
286 Target.setMCUseCFI(false);
287
288 // Disable .loc support for older OS X versions.
289 if (TheTriple.isMacOSX() &&
290 TheTriple.isMacOSXVersionLT(10, 6))
291 Target.setMCUseLoc(false);
292
294 // Figure out where we are going to send the output...
295 OwningPtr<tool_output_file> Out
296 (GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]));
297 if (!Out) return 1;
298
299 CodeGenOpt::Level OLvl = CodeGenOpt::Default;
300 switch (OptLevel) {
301 default:

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333
334 // Ask the target to add backend passes as necessary.
335 if (Target.addPassesToEmitFile(PM, FOS, FileType, OLvl, NoVerify)) {
336 errs() << argv[0] << ": target does not support generation of this"
337 << " file type!\n";
338 return 1;
339 }
340
293 // Figure out where we are going to send the output...
294 OwningPtr<tool_output_file> Out
295 (GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]));
296 if (!Out) return 1;
297
298 CodeGenOpt::Level OLvl = CodeGenOpt::Default;
299 switch (OptLevel) {
300 default:

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332
333 // Ask the target to add backend passes as necessary.
334 if (Target.addPassesToEmitFile(PM, FOS, FileType, OLvl, NoVerify)) {
335 errs() << argv[0] << ": target does not support generation of this"
336 << " file type!\n";
337 return 1;
338 }
339
340 // Before executing passes, print the final values of the LLVM options.
341 cl::PrintOptionValues();
342
341 PM.run(mod);
342 }
343
344 // Declare success.
345 Out->keep();
346
347 return 0;
348}
343 PM.run(mod);
344 }
345
346 // Declare success.
347 Out->keep();
348
349 return 0;
350}