1 //===-- LLVMTargetMachine.cpp - Implement the LLVMTargetMachine class -----===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
37     EnableTrapUnreachable("trap-unreachable", cl::Hidden,
41     "no-trap-after-noreturn", cl::Hidden,
43              "after noreturn calls, even if --trap-unreachable is set."));
46   MRI.reset(TheTarget.createMCRegInfo(getTargetTriple().str()));  in initAsmInfo()
48   MII.reset(TheTarget.createMCInstrInfo());  in initAsmInfo()
54   STI.reset(TheTarget.createMCSubtargetInfo(  in initAsmInfo()
69     TmpAsmInfo->setBinutilsVersion(Options.BinutilsVersion);  in initAsmInfo()
72     TmpAsmInfo->setUseIntegratedAssembler(false);  in initAsmInfo()
75     TmpAsmInfo->setParseInlineAsmUsingAsmParser(false);  in initAsmInfo()
78   TmpAsmInfo->setPreserveAsmComments(Options.MCOptions.PreserveAsmComments);  in initAsmInfo()
80   TmpAsmInfo->setFullRegisterNames(Options.MCOptions.PPCUseFullRegisterNames);  in initAsmInfo()
83     TmpAsmInfo->setExceptionsType(Options.ExceptionModel);  in initAsmInfo()
85   AsmInfo.reset(TmpAsmInfo);  in initAsmInfo()
95   this->RM = RM;  in LLVMTargetMachine()
96   this->CMModel = CM;  in LLVMTargetMachine()
97   this->OptLevel = OL;  in LLVMTargetMachine()
100     this->Options.TrapUnreachable = true;  in LLVMTargetMachine()
102     this->Options.NoTrapAfterNoreturn = true;  in LLVMTargetMachine()
110 /// addPassesToX helper drives creation and initialization of TargetPassConfig.
115   // Targets may override createPassConfig to provide a target-specific  in addPassesToGenerateCode()
119   PassConfig->setDisableVerify(DisableVerify);  in addPassesToGenerateCode()
123   if (PassConfig->addISelPasses())  in addPassesToGenerateCode()
125   PassConfig->addMachinePasses();  in addPassesToGenerateCode()
126   PassConfig->setInitialized();  in addPassesToGenerateCode()
131                                       raw_pwrite_stream &Out,  in addAsmPrinter()  argument
136       createMCStreamer(Out, DwoOut, FileType, Context);  in addAsmPrinter()
140   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.  in addAsmPrinter()
151     raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut, CodeGenFileType FileType,  in createMCStreamer()  argument
168       MCE.reset(getTarget().createMCCodeEmitter(MII, Context));  in createMCStreamer()
172     auto FOut = std::make_unique<formatted_raw_ostream>(Out);  in createMCStreamer()
175     AsmStreamer.reset(S);  in createMCStreamer()
192     AsmStreamer.reset(getTarget().createMCObjectStreamer(  in createMCStreamer()
194         DwoOut ? MAB->createDwoObjectWriter(Out, *DwoOut)  in createMCStreamer()
195                : MAB->createObjectWriter(Out),  in createMCStreamer()
202     AsmStreamer.reset(getTarget().createNullStreamer(Context));  in createMCStreamer()
210     PassManagerBase &PM, raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut,  in addPassesToEmitFile()  argument
222     if (addAsmPrinter(PM, Out, DwoOut, FileType, MMIWP->getMMI().getContext()))  in addPassesToEmitFile()
225     // MIR printing is redundant with -filetype=null.  in addPassesToEmitFile()
227       PM.add(createPrintMIRPass(Out));  in addPassesToEmitFile()
234 /// addPassesToEmitMC - Add passes to the specified pass manager to get
240                                           raw_pwrite_stream &Out,  in addPassesToEmitMC()  argument
251   Ctx = &MMIWP->getMMI().getContext();  in addPassesToEmitMC()
269       T, *Ctx, std::unique_ptr<MCAsmBackend>(MAB), MAB->createObjectWriter(Out),  in addPassesToEmitMC()
272   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.  in addPassesToEmitMC()