add missing header

Author: optimisan

llvm/lib/Target/AMDGPU/SIFixVGPRCopies.h

@@ -0,0 +1,22 @@
+//===- SIFixVGPRCopies.h ----------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_AMDGPU_SIFIXVGPRCOPIES_H
+#define LLVM_LIB_TARGET_AMDGPU_SIFIXVGPRCOPIES_H
+
+#include "llvm/CodeGen/MachinePassManager.h"
+
+namespace llvm {
+class SIFixVGPRCopiesPass : public PassInfoMixin<SIFixVGPRCopiesPass> {
+public:
+  PreservedAnalyses run(MachineFunction &MF,
+                        MachineFunctionAnalysisManager &MFAM);
+};
+} // namespace llvm
+
+#endif // LLVM_LIB_TARGET_AMDGPU_SIFIXVGPRCOPIES_H