[all-commits] [llvm/llvm-project] 080978: [DirectX][DXIL] Set DXIL Version in DXIL target tr...

[S. Bharadwaj Yadavalli via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 080978dd2067d0c9ea7e229aa7696c2480d89ef1
      https://github.com/llvm/llvm-project/commit/080978dd2067d0c9ea7e229aa7696c2480d89ef1
  Author: S. Bharadwaj Yadavalli <Bharadwaj.Yadavalli at microsoft.com>
  Date:   2024-05-06 (Mon, 06 May 2024)

  Changed paths:
    M clang/lib/Basic/Targets.cpp
    M clang/lib/Driver/ToolChains/HLSL.cpp
    M clang/test/CodeGenHLSL/basic-target.c
    M clang/test/Driver/dxc_dxv_path.hlsl
    M clang/test/Options/enable_16bit_types_validation.hlsl
    M clang/unittests/Driver/DXCModeTest.cpp
    M llvm/include/llvm/TargetParser/Triple.h
    M llvm/lib/IR/Verifier.cpp
    M llvm/lib/TargetParser/Triple.cpp
    M llvm/unittests/TargetParser/TripleTest.cpp

  Log Message:
  -----------
  [DirectX][DXIL] Set DXIL Version in DXIL target triple based on shader model version (#90809)

An earlier commit provided a way to decouple DXIL version from Shader
Model version by representing the DXIL version as `SubArch` in the DXIL 
Target Triple and adding corresponding valid DXIL Arch types.

This change constructs DXIL target triple with DXIL version that is
deduced from Shader Model version specified in the following scenarios:

1. When compilation target profile is specified: 
For e.g., DXIL target triple `dxilv1.8-unknown-shader6.8-library` is
constructed when `-T lib_6_8` is specified. 
2. When DXIL target triple without DXIL version is specified:
For e.g., DXIL target triple `dxilv1.8-pc-shadermodel6.8-library` is
constructed when `-mtriple=dxil-pc-shadermodel6.8-library` is specified.

Updated relevant HLSL tests that check for target triple. 

Validated that Clang (`check-clang`) and LLVM (`check-llvm`) regression
tests pass.



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