[all-commits] [llvm/llvm-project] becb03: [DirectX] Add DirectXTargetCodeGenInfo (#104856)

[Helena Kotas via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: becb03f3c624a9570fdb3f2d5dee1ed75922e70b
      https://github.com/llvm/llvm-project/commit/becb03f3c624a9570fdb3f2d5dee1ed75922e70b
  Author: Helena Kotas <hekotas at microsoft.com>
  Date:   2024-09-10 (Tue, 10 Sep 2024)

  Changed paths:
    M clang/lib/CodeGen/CMakeLists.txt
    M clang/lib/CodeGen/CodeGenModule.cpp
    M clang/lib/CodeGen/TargetInfo.h
    A clang/lib/CodeGen/Targets/DirectX.cpp
    A clang/test/CodeGenHLSL/builtins/hlsl_resource_t.hlsl
    M llvm/lib/IR/Type.cpp

  Log Message:
  -----------
  [DirectX] Add DirectXTargetCodeGenInfo (#104856)

Adds target codegen info class for DirectX. For now it always translates
`__hlsl_resource_t` handle to `target("dx.TypedBuffer", i32, 1, 0, 1)`
(`RWBuffer<int>`). More work is needed to determine the actual target
exp type and parameters based on the resource handle attributes.

Part 1/2 of #95952



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