[all-commits] [llvm/llvm-project] f2b502: [clang] Allow devirtualisation of indirect calls t...

[Oliver Hunt via All-commits]

  Branch: refs/heads/users/ojhunt/indirect-vcall-via-base-opt
  Home:   https://github.com/llvm/llvm-project
  Commit: f2b5020e406c521dd185659c04817be0e5c97e3e
      https://github.com/llvm/llvm-project/commit/f2b5020e406c521dd185659c04817be0e5c97e3e
  Author: Oliver Hunt <oliver at apple.com>
  Date:   2025-10-27 (Mon, 27 Oct 2025)

  Changed paths:
    M clang/lib/CodeGen/CodeGenFunction.cpp
    A clang/test/CodeGenCXX/indirect-final-vcall-through-base.cpp

  Log Message:
  -----------
  [clang] Allow devirtualisation of indirect calls to final virtual methods

When -fstrict-vtable-pointers is set we can devirtualise calls to
virtual functions when called indirectly through a separate function
that does not locally know the exact type it is operating on.

This only permits the optimization for regular methods, not any kind
of constructor or destructor.



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