[all-commits] [llvm/llvm-project] d3d7c3: [HLSL] Fix vector list initialization (#161421)

[Chris B via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d3d7c3c8d1d83cf5f94ae55fd39c2a2f98f93d5c
      https://github.com/llvm/llvm-project/commit/d3d7c3c8d1d83cf5f94ae55fd39c2a2f98f93d5c
  Author: Chris B <chris.bieneman at me.com>
  Date:   2025-10-06 (Mon, 06 Oct 2025)

  Changed paths:
    M clang/include/clang/Sema/Initialization.h
    M clang/lib/Sema/SemaInit.cpp
    M clang/test/AST/HLSL/vector-constructors.hlsl
    M clang/test/CodeGenHLSL/BasicFeatures/InitLists.hlsl
    A clang/test/SemaHLSL/BuiltIns/vector-constructors-errors.hlsl
    R clang/test/SemaHLSL/BuiltIns/vector-constructors-erros.hlsl

  Log Message:
  -----------
  [HLSL] Fix vector list initialization (#161421)

This simplifies and cleans up the vector list initialization behavior.
This simplifies the work we do in SemaInit by just relying on SemaHLSL's
initialization list flattening. This change fixes some outstanding
limitations by supporting structure to vector initialization, but
re-introduces HLSL's limitations around overload resolution in
initializers.

---------

Co-authored-by: Helena Kotas <hekotas at microsoft.com>



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