[all-commits] [llvm/llvm-project] 3de88f: [DirectX] Implement the DXILCBufferAccess pass (#1...

[Justin Bogner via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3de88fe40fd0dc5f52ba0bc7ebbaf16e938d6670
      https://github.com/llvm/llvm-project/commit/3de88fe40fd0dc5f52ba0bc7ebbaf16e938d6670
  Author: Justin Bogner <mail at justinbogner.com>
  Date:   2025-04-15 (Tue, 15 Apr 2025)

  Changed paths:
    A llvm/include/llvm/Frontend/HLSL/CBuffer.h
    A llvm/lib/Frontend/HLSL/CBuffer.cpp
    M llvm/lib/Frontend/HLSL/CMakeLists.txt
    M llvm/lib/Target/DirectX/CMakeLists.txt
    A llvm/lib/Target/DirectX/DXILCBufferAccess.cpp
    A llvm/lib/Target/DirectX/DXILCBufferAccess.h
    M llvm/lib/Target/DirectX/DirectX.h
    M llvm/lib/Target/DirectX/DirectXPassRegistry.def
    M llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
    A llvm/test/CodeGen/DirectX/CBufferAccess/array-typedgep.ll
    A llvm/test/CodeGen/DirectX/CBufferAccess/arrays.ll
    A llvm/test/CodeGen/DirectX/CBufferAccess/float.ll
    A llvm/test/CodeGen/DirectX/CBufferAccess/gep-ce-two-uses.ll
    A llvm/test/CodeGen/DirectX/CBufferAccess/scalars.ll
    A llvm/test/CodeGen/DirectX/CBufferAccess/vectors.ll
    M llvm/test/CodeGen/DirectX/llc-pipeline.ll

  Log Message:
  -----------
  [DirectX] Implement the DXILCBufferAccess pass (#134571)

This introduces a pass that walks accesses to globals in cbuffers and
replaces them with accesses via the cbuffer handle itself. The logic to
interpret the cbuffer metadata is kept in `lib/Frontend/HLSL` so that it
can be reused by other consumers of that metadata.

Fixes #124630.



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