[clang] [HLSL] select scalar overloads for vector conditions (PR #129396)

[Farzon Lotfi via cfe-commits]

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@@ -0,0 +1,71 @@
+//===----- hlsl_intrinsic_helpers.h - HLSL helpers intrinsics -------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _HLSL_HLSL_INTRINSIC_HELPERS_H_
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farzonl wrote:

How does the `enable_if_t` template in  `hlsl_detail.h`get exposed here?

https://github.com/llvm/llvm-project/pull/129396