Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/lib/Target/Lanai/LanaiSubtarget.cpp

@@ -0,0 +1,47 @@
+//===- LanaiSubtarget.cpp - Lanai Subtarget Information -----------*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Lanai specific subclass of TargetSubtarget.
+//
+//===----------------------------------------------------------------------===//
+
+#include "LanaiSubtarget.h"
+
+#include "Lanai.h"
+
+#define DEBUG_TYPE "lanai-subtarget"
+
+#define GET_SUBTARGETINFO_TARGET_DESC
+#define GET_SUBTARGETINFO_CTOR
+#include "LanaiGenSubtargetInfo.inc"
+
+using namespace llvm;
+
+void LanaiSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
+  std::string CPUName = CPU;
+  if (CPUName.empty())
+    CPUName = "generic";
+
+  ParseSubtargetFeatures(CPUName, FS);
+}
+
+LanaiSubtarget &LanaiSubtarget::initializeSubtargetDependencies(StringRef CPU,
+                                                                StringRef FS) {
+  initSubtargetFeatures(CPU, FS);
+  return *this;
+}
+
+LanaiSubtarget::LanaiSubtarget(const Triple &TargetTriple, StringRef Cpu,
+                               StringRef FeatureString, const TargetMachine &TM,
+                               const TargetOptions & /*Options*/,
+                               CodeModel::Model /*CodeModel*/,
+                               CodeGenOpt::Level /*OptLevel*/)
+    : LanaiGenSubtargetInfo(TargetTriple, Cpu, FeatureString),
+      FrameLowering(initializeSubtargetDependencies(Cpu, FeatureString)),
+      InstrInfo(), TLInfo(TM, *this), TSInfo() {}