[PATCH] D76772: [AMDGPU] Add __builtin_amdgcn_workgroup_size_x/y/z

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl created this revision.
yaxunl added reviewers: arsenm, b-sumner, cfang.
Herald added subscribers: kerbowa, t-tye, tpr, dstuttard, nhaehnle, wdng, jvesely, kzhuravl.

The main purpose of introducing these builtins is to add a range metadata [1, 1025) on the work group size loaded from dispatch ptr, which cannot be done by source code.


https://reviews.llvm.org/D76772

Files:
  clang/include/clang/Basic/BuiltinsAMDGPU.def
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/test/CodeGenOpenCL/builtins-amdgcn.cl

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