[libclc] [libclc] Move several integer functions to CLC library (PR #116786)

[Fraser Cormack via cfe-commits]

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@@ -0,0 +1,21 @@
+#ifndef __CLC_INTEGER_CLC_CLZ_H__
+#define __CLC_INTEGER_CLC_CLZ_H__
+
+#if defined(CLC_CLSPV) || defined(CLC_SPIRV)
+// clspv and spir-v targets provide their own OpenCL-compatible clz
+#define __clc_clz clz
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frasercrmck wrote:

@arsenm I've updated the patch to remove all of the SPIR-V workarounds. All of the CLC integer functions introduced by this patch are built consistently for all targets.

https://github.com/llvm/llvm-project/pull/116786