[llvm] [SPIRV][HLSL] Implement CBuffer access lowering pass (PR #159136)

[Nathan Gauër via llvm-commits]

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@@ -0,0 +1,172 @@
+//===- SPIRVCBufferAccess.cpp - Translate CBuffer Loads
+//--------------------===//
+//
+// 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 pass replaces all accesses to constant buffer global variables with
+// accesses to the proper SPIR-V resource. It's designed to run after the
+// DXIL preparation passes and before the main SPIR-V legalization passes.
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Keenuts wrote:

before the DXIL preparation pass?

https://github.com/llvm/llvm-project/pull/159136