[libclc] [NFC][libclc] Replace and delete _CLC_DEFINE_UNARY/BINARY/TERNARY_BUILTIN macros (PR #145458)

[Fraser Cormack via cfe-commits]

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@@ -0,0 +1,17 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include <clc/utils.h>
+
+#ifndef __CLC_FUNCTION
+#define __CLC_FUNCTION(x) __CLC_CONCAT(__clc_, x)
+#endif
+
+_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE FUNCTION(__CLC_GENTYPE a, __CLC_INTN b) {
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frasercrmck wrote:

We've already got one of these in `clc/math/`. Could we move that one, instead? There are only two uses of the `math` one to fix up.

https://github.com/llvm/llvm-project/pull/145458