microsoft / microsoft/DirectXShaderCompiler

[linalg] Move `__builtin_LinAlg_*` intrinsics under `DxIntrinsics`

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@V-FEXrt is already working on this.

Since Jul 27, 2026.

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Description

We should move all the builtins for the linalg feature under the DxIntrinsics namespace in gen_intrin_main so that they get put in the dx namespace in the HLSL AST. This will prevent them from being exposed when targeting Vulkan.

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