1 files changed, 33 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/GlobalISel/GISelAccessor.h b/include/llvm/CodeGen/GlobalISel/GISelAccessor.h
new file mode 100644
index 0000000000000..7c5ec9f3adc06
--- /dev/null
+++ b/include/llvm/CodeGen/GlobalISel/GISelAccessor.h
@@ -0,0 +1,33 @@
+//===-- GISelAccessor.h - GISel Accessor ------------------------*- 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 API to access the various APIs related
+/// to GlobalISel.
+//
+//===----------------------------------------------------------------------===/
+
+#ifndef LLVM_CODEGEN_GLOBALISEL_GISELACCESSOR_H
+#define LLVM_CODEGEN_GLOBALISEL_GISELACCESSOR_H
+
+namespace llvm {
+class CallLowering;
+class RegisterBankInfo;
+
+/// The goal of this helper class is to gather the accessor to all
+/// the APIs related to GlobalISel.
+/// It should be derived to feature an actual accessor to the GISel APIs.
+/// The reason why this is not simply done into the subtarget is to avoid
+/// spreading ifdefs around.
+struct GISelAccessor {
+  virtual ~GISelAccessor() {}
+  virtual const CallLowering *getCallLowering() const { return nullptr;}
+  virtual const RegisterBankInfo *getRegBankInfo() const { return nullptr;}
+};
+} // End namespace llvm;
+#endif