[all-commits] [llvm/llvm-project] decb87: [TBAA] Only emit pointer tbaa metedata for record ...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: decb87452d8e3b93b21ab9e4c3dd03d85cbebfa5
      https://github.com/llvm/llvm-project/commit/decb87452d8e3b93b21ab9e4c3dd03d85cbebfa5
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-11-21 (Thu, 21 Nov 2024)

  Changed paths:
    M clang/lib/CodeGen/CodeGenTBAA.cpp
    M clang/test/CXX/drs/cwg158.cpp

  Log Message:
  -----------
  [TBAA] Only emit pointer tbaa metedata for record types. (#116991)

Be conservative if the type isn't a record type. Handling other types
may
require stripping const-qualifiers inside the type, e.g.
MemberPointerType.

Also look through array types same as through pointer types, to not
pessimize
arrays of pointers.

Without this, we assign different tags to the accesses for p an q in the
second test in cwg158.

PR: https://github.com/llvm/llvm-project/pull/116991



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications