1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/AVR/AVR.h b/contrib/llvm-project/llvm/lib/Target/AVR/AVR.h
new file mode 100644
index 000000000000..f0746d73c95f
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+++ b/contrib/llvm-project/llvm/lib/Target/AVR/AVR.h
@@ -0,0 +1,57 @@
+//===-- AVR.h - Top-level interface for AVR representation ------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the entry points for global functions defined in the LLVM
+// AVR back-end.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_AVR_H
+#define LLVM_AVR_H
+
+#include "llvm/CodeGen/SelectionDAGNodes.h"
+#include "llvm/Target/TargetMachine.h"
+
+namespace llvm {
+
+class AVRTargetMachine;
+class FunctionPass;
+
+FunctionPass *createAVRISelDag(AVRTargetMachine &TM,
+                               CodeGenOpt::Level OptLevel);
+FunctionPass *createAVRExpandPseudoPass();
+FunctionPass *createAVRFrameAnalyzerPass();
+FunctionPass *createAVRRelaxMemPass();
+FunctionPass *createAVRDynAllocaSRPass();
+FunctionPass *createAVRBranchSelectionPass();
+
+void initializeAVRExpandPseudoPass(PassRegistry&);
+void initializeAVRRelaxMemPass(PassRegistry&);
+
+/// Contains the AVR backend.
+namespace AVR {
+
+/// An integer that identifies all of the supported AVR address spaces.
+enum AddressSpace { DataMemory, ProgramMemory };
+
+/// Checks if a given type is a pointer to program memory.
+template <typename T> bool isProgramMemoryAddress(T *V) {
+  return cast<PointerType>(V->getType())->getAddressSpace() == ProgramMemory;
+}
+
+inline bool isProgramMemoryAccess(MemSDNode const *N) {
+  auto V = N->getMemOperand()->getValue();
+
+  return (V != nullptr) ? isProgramMemoryAddress(V) : false;
+}
+
+} // end of namespace AVR
+
+} // end namespace llvm
+
+#endif // LLVM_AVR_H