================
@@ -5303,6 +5303,22 @@ def HLSLMatrixLayout : InheritableAttr {
let Documentation = [HLSLMatrixLayoutDocs];
}
+// Internal type-attribute markers attached to matrix QualTypes by Sema when
+// a decl carries `[[hlsl::row_major]]` / `[[hlsl::column_major]]`. They let
+// CodeGen / const-eval recover the layout from any matrix-typed expression
+// without re-walking back to the source decl.
+def HLSLRowMajor : TypeAttr {
+ let Spellings = [];
+ let LangOpts = [HLSL];
+ let Documentation = [InternalOnly];
+}
+
+def HLSLColumnMajor : TypeAttr {
+ let Spellings = [];
+ let LangOpts = [HLSL];
+ let Documentation = [InternalOnly];
+}
----------------
farzonl wrote:
I'm going to let claude run build out some prototypes will send diffs and
update this pr as assisted by AI if we pick one of them.
https://github.com/llvm/llvm-project/pull/197013
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