1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MipsModuleISelDAGToDAG.cpp b/contrib/llvm/lib/Target/Mips/MipsModuleISelDAGToDAG.cpp
new file mode 100644
index 0000000..b18a673
--- /dev/null
+++ b/contrib/llvm/lib/Target/Mips/MipsModuleISelDAGToDAG.cpp
@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+// Instruction Selector Subtarget Control
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// This file defines a pass used to change the subtarget for the
+// Mips Instruction selector.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Mips.h"
+#include "MipsTargetMachine.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "mips-isel"
+
+namespace {
+  class MipsModuleDAGToDAGISel : public MachineFunctionPass {
+  public:
+    static char ID;
+
+    explicit MipsModuleDAGToDAGISel(MipsTargetMachine &TM_)
+      : MachineFunctionPass(ID), TM(TM_) {}
+
+    // Pass Name
+    const char *getPassName() const override {
+      return "MIPS DAG->DAG Pattern Instruction Selection";
+    }
+
+    bool runOnMachineFunction(MachineFunction &MF) override;
+
+  protected:
+    MipsTargetMachine &TM;
+  };
+
+  char MipsModuleDAGToDAGISel::ID = 0;
+}
+
+bool MipsModuleDAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
+  DEBUG(errs() << "In MipsModuleDAGToDAGISel::runMachineFunction\n");
+  TM.resetSubtarget(&MF);
+  return false;
+}
+
+llvm::FunctionPass *llvm::createMipsModuleISelDagPass(MipsTargetMachine &TM) {
+  return new MipsModuleDAGToDAGISel(TM);
+}