[libclc] libclc: Avoid duplicated get_local_size/get_global_size functions (PR #185166)

[Matt Arsenault via cfe-commits]

================
@@ -1,20 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// 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 <amdhsa_abi.h>
-#include <clc/opencl/opencl-base.h>
-
-_CLC_DEF _CLC_OVERLOAD size_t get_global_size(uint dim) {
-  if (dim > 2)
-    return 1;
-  __constant amdhsa_implicit_kernarg_v5 *args =
-      (__constant amdhsa_implicit_kernarg_v5 *)
-          __builtin_amdgcn_implicitarg_ptr();
-  return args->block_count[dim] * (uint)args->group_size[dim] +
-         (uint)args->remainder[dim];
----------------
arsenm wrote:

No, the current system is a confusing mess. The builtin is implementing the old ABI. I'm probably going to both fix the builtin to emit the new ABI, and also stop using it here. So I should replace the content of the function here 

https://github.com/llvm/llvm-project/pull/185166