Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/Target/Nios2/Nios2TargetMachine.cpp

@@ -1,119 +0,0 @@
-//===-- Nios2TargetMachine.cpp - Define TargetMachine for Nios2 -----------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Implements the info about Nios2 target spec.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Nios2TargetMachine.h"
-#include "Nios2.h"
-#include "Nios2TargetObjectFile.h"
-
-#include "llvm/CodeGen/TargetPassConfig.h"
-#include "llvm/Support/TargetRegistry.h"
-
-using namespace llvm;
-
-#define DEBUG_TYPE "nios2"
-
-extern "C" void LLVMInitializeNios2Target() {
-  // Register the target.
-  RegisterTargetMachine<Nios2TargetMachine> X(getTheNios2Target());
-}
-
-static std::string computeDataLayout() {
-  return "e-p:32:32:32-i8:8:32-i16:16:32-n32";
-}
-
-static Reloc::Model getEffectiveRelocModel(Optional<Reloc::Model> RM) {
-  if (!RM.hasValue())
-    return Reloc::Static;
-  return *RM;
-}
-
-static CodeModel::Model getEffectiveCodeModel(Optional<CodeModel::Model> CM,
-                                              Reloc::Model RM, bool JIT) {
-  if (CM)
-    return *CM;
-  return CodeModel::Small;
-}
-
-Nios2TargetMachine::Nios2TargetMachine(const Target &T, const Triple &TT,
-                                       StringRef CPU, StringRef FS,
-                                       const TargetOptions &Options,
-                                       Optional<Reloc::Model> RM,
-                                       Optional<CodeModel::Model> CM,
-                                       CodeGenOpt::Level OL, bool JIT)
-    : LLVMTargetMachine(
-          T, computeDataLayout(), TT, CPU, FS, Options,
-          getEffectiveRelocModel(RM),
-          getEffectiveCodeModel(CM, getEffectiveRelocModel(RM), JIT), OL),
-      TLOF(make_unique<Nios2TargetObjectFile>()),
-      Subtarget(TT, CPU, FS, *this) {
-  initAsmInfo();
-}
-
-Nios2TargetMachine::~Nios2TargetMachine() {}
-
-const Nios2Subtarget *
-Nios2TargetMachine::getSubtargetImpl(const Function &F) const {
-  Attribute CPUAttr = F.getFnAttribute("target-cpu");
-  Attribute FSAttr = F.getFnAttribute("target-features");
-
-  std::string CPU = !CPUAttr.hasAttribute(Attribute::None)
-                        ? CPUAttr.getValueAsString().str()
-                        : TargetCPU;
-  std::string FS = !FSAttr.hasAttribute(Attribute::None)
-                       ? FSAttr.getValueAsString().str()
-                       : TargetFS;
-
-  auto &I = SubtargetMap[CPU + FS];
-  if (!I) {
-    // This needs to be done before we create a new subtarget since any
-    // creation will depend on the TM and the code generation flags on the
-    // function that reside in TargetOptions.
-    resetTargetOptions(F);
-    I = llvm::make_unique<Nios2Subtarget>(TargetTriple, CPU, FS, *this);
-  }
-  return I.get();
-}
-
-namespace {
-/// Nios2 Code Generator Pass Configuration Options.
-class Nios2PassConfig : public TargetPassConfig {
-public:
-  Nios2PassConfig(Nios2TargetMachine &TM, PassManagerBase *PM)
-      : TargetPassConfig(TM, *PM) {}
-
-  Nios2TargetMachine &getNios2TargetMachine() const {
-    return getTM<Nios2TargetMachine>();
-  }
-
-  void addCodeGenPrepare() override;
-  bool addInstSelector() override;
-  void addIRPasses() override;
-};
-} // namespace
-
-TargetPassConfig *Nios2TargetMachine::createPassConfig(PassManagerBase &PM) {
-  return new Nios2PassConfig(*this, &PM);
-}
-
-void Nios2PassConfig::addCodeGenPrepare() {
-  TargetPassConfig::addCodeGenPrepare();
-}
-
-void Nios2PassConfig::addIRPasses() { TargetPassConfig::addIRPasses(); }
-
-// Install an instruction selector pass using
-// the ISelDag to gen Nios2 code.
-bool Nios2PassConfig::addInstSelector() {
-  addPass(createNios2ISelDag(getNios2TargetMachine(), getOptLevel()));
-  return false;
-}