Break up Targets.cpp into a header/impl pair per target type[NFCI]

Targets.cpp is getting unwieldy, and even minor changes cause the entire thing 
to cause recompilation for everyone. This patch bites the bullet and breaks 
it up into a number of files.

I tended to keep function definitions in the class declaration unless it 
caused additional includes to be necessary. In those cases, I pulled it 
over into the .cpp file. Content is copy/paste for the most part, 
besides includes/format/etc.


Differential Revision: https://reviews.llvm.org/D35701

llvm-svn: 308791

1 files changed, 56 insertions, 0 deletions

diff --git a/clang/lib/Basic/Targets/Nios2.cpp b/clang/lib/Basic/Targets/Nios2.cpp
new file mode 100644
index 00000000000..48f662dd98c
--- /dev/null
+++ b/clang/lib/Basic/Targets/Nios2.cpp
@@ -0,0 +1,56 @@
+//===--- Nios2.cpp - Implement Nios2 target feature support ---------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements Nios2 TargetInfo objects.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Nios2.h"
+#include "Targets.h"
+#include "clang/Basic/MacroBuilder.h"
+#include "clang/Basic/TargetBuiltins.h"
+#include "llvm/ADT/StringSwitch.h"
+
+using namespace clang;
+using namespace clang::targets;
+
+const Builtin::Info Nios2TargetInfo::BuiltinInfo[] = {
+#define BUILTIN(ID, TYPE, ATTRS)                                               \
+  {#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr},
+#define TARGET_BUILTIN(ID, TYPE, ATTRS, FEATURE)                               \
+  {#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, FEATURE},
+#include "clang/Basic/BuiltinsNios2.def"
+};
+
+bool Nios2TargetInfo::isFeatureSupportedByCPU(StringRef Feature,
+                                              StringRef CPU) const {
+  const bool isR2 = CPU == "nios2r2";
+  return llvm::StringSwitch<bool>(Feature)
+      .Case("nios2r2mandatory", isR2)
+      .Case("nios2r2bmx", isR2)
+      .Case("nios2r2mpx", isR2)
+      .Case("nios2r2cdx", isR2)
+      .Default(false);
+}
+
+void Nios2TargetInfo::getTargetDefines(const LangOptions &Opts,
+                                       MacroBuilder &Builder) const {
+  DefineStd(Builder, "nios2", Opts);
+  DefineStd(Builder, "NIOS2", Opts);
+
+  Builder.defineMacro("__nios2");
+  Builder.defineMacro("__NIOS2");
+  Builder.defineMacro("__nios2__");
+  Builder.defineMacro("__NIOS2__");
+}
+
+ArrayRef<Builtin::Info> Nios2TargetInfo::getTargetBuiltins() const {
+  return llvm::makeArrayRef(BuiltinInfo, clang::Nios2::LastTSBuiltin -
+                                             Builtin::FirstTSBuiltin);
+}