Start pushing changes for Mips Fast-Isel

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206505 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Mips/MipsFastISel.cpp

@@ -0,0 +1,28 @@
+//===-- MipsastISel.cpp - Mips FastISel implementation
+//---------------------===//
+
+#include "llvm/CodeGen/FunctionLoweringInfo.h"
+#include "llvm/CodeGen/FastISel.h"
+#include "llvm/Target/TargetLibraryInfo.h"
+#include "MipsISelLowering.h"
+
+using namespace llvm;
+
+namespace {
+
+class MipsFastISel final : public FastISel {
+
+public:
+  explicit MipsFastISel(FunctionLoweringInfo &funcInfo,
+                        const TargetLibraryInfo *libInfo)
+      : FastISel(funcInfo, libInfo) {}
+  bool TargetSelectInstruction(const Instruction *I) override { return false; }
+};
+}
+
+namespace llvm {
+FastISel *Mips::createFastISel(FunctionLoweringInfo &funcInfo,
+                               const TargetLibraryInfo *libInfo) {
+  return new MipsFastISel(funcInfo, libInfo);
+}
+}