[llvm] [clang] [flang] [NFC][AMDGPU] Move address space enum to LLVM directory (PR #73944)

[Krzysztof Parzyszek via cfe-commits]

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@@ -0,0 +1,31 @@
+//===---------------- AMDGPUAddrSpace.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
+//
+//===----------------------------------------------------------------------===//
+//
+/// \file
+/// AMDGPU address space definition
+///
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_AMDGPUADDRSPACE_H
+#define LLVM_SUPPORT_AMDGPUADDRSPACE_H
+
+namespace llvm {
+namespace AMDGPU {
+enum class AddrSpace {
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kparzysz wrote:

You can explicitly say `enum class AddrSpace : unsigned { ...` to avoid the need for the static_casts to unsigned.

https://github.com/llvm/llvm-project/pull/73944