[PATCH] D74572: [WIP][BPF] implement intrinsic function __builtin__btf_type_id()

[Yonghong Song via Phabricator via cfe-commits]

yonghong-song created this revision.
yonghong-song added reviewers: ast, anakryiko.
Herald added subscribers: llvm-commits, cfe-commits, hiraditya, mgorny.
Herald added projects: clang, LLVM.

The builtin signature looks like:

  unsigned type_id = __builtin_btf_type_id(expression);

The "expression" can be a normal C expression such as

  1, var_a, var_a + 4, &var_a, var_b[10]

etc.
The return value returns the BTF type_id for the "expression".


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74572

Files:
  clang/include/clang/Basic/BuiltinsBPF.def
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/Sema/SemaChecking.cpp
  llvm/include/llvm/IR/IntrinsicsBPF.td
  llvm/lib/Target/BPF/BPF.h
  llvm/lib/Target/BPF/BPFCORE.h
  llvm/lib/Target/BPF/BPFMIPreserveDIType.cpp
  llvm/lib/Target/BPF/BPFPreserveDIType.cpp
  llvm/lib/Target/BPF/BPFTargetMachine.cpp
  llvm/lib/Target/BPF/BTFDebug.cpp
  llvm/lib/Target/BPF/BTFDebug.h
  llvm/lib/Target/BPF/CMakeLists.txt
  llvm/test/CodeGen/BPF/BTF/builtin-btf-type-id.ll

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