Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/lib/Target/Hexagon/HexagonTargetMachine.h

@@ -0,0 +1,51 @@
+//=-- HexagonTargetMachine.h - Define TargetMachine for Hexagon ---*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the Hexagon specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
+#define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
+
+#include "HexagonInstrInfo.h"
+#include "HexagonSubtarget.h"
+#include "HexagonTargetObjectFile.h"
+#include "llvm/Target/TargetMachine.h"
+
+namespace llvm {
+
+class Module;
+
+class HexagonTargetMachine : public LLVMTargetMachine {
+  std::unique_ptr<TargetLoweringObjectFile> TLOF;
+  mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
+
+public:
+  HexagonTargetMachine(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);
+  ~HexagonTargetMachine() override;
+  const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
+
+  static unsigned getModuleMatchQuality(const Module &M);
+
+  void adjustPassManager(PassManagerBuilder &PMB) override;
+  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
+  TargetTransformInfo getTargetTransformInfo(const Function &F) override;
+
+  HexagonTargetObjectFile *getObjFileLowering() const override {
+    return static_cast<HexagonTargetObjectFile*>(TLOF.get());
+  }
+};
+
+} // end namespace llvm
+
+#endif