[clang] [HLSL] Add matrix constructors using initalizer lists (PR #162743)

[Chris B via cfe-commits]

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@@ -1877,6 +1887,93 @@ void InitListChecker::CheckReferenceType(const InitializedEntity &Entity,
     AggrDeductionCandidateParamTypes->push_back(DeclType);
 }
 
+void InitListChecker::CheckMatrixType(const InitializedEntity &Entity,
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llvm-beanz wrote:

I'm not sure why we need to do this checking. Shouldn't this all be done in the SemaHLSL code that validates the initializer list and transforms it to per-element initializers?

https://github.com/llvm/llvm-project/pull/162743