[all-commits] [llvm/llvm-project] 6761b2: [clang][dataflow] Cache accessors for bugprone-unc...

[Jan Voung via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6761b24ae2f34b923df46412475a9ece50542b97
      https://github.com/llvm/llvm-project/commit/6761b24ae2f34b923df46412475a9ece50542b97
  Author: Jan Voung <jvoung at google.com>
  Date:   2024-10-22 (Tue, 22 Oct 2024)

  Changed paths:
    M clang-tools-extra/docs/clang-tidy/checks/bugprone/unchecked-optional-access.rst
    M clang/include/clang/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.h
    M clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp
    M clang/unittests/Analysis/FlowSensitive/UncheckedOptionalAccessModelTest.cpp

  Log Message:
  -----------
  [clang][dataflow] Cache accessors for bugprone-unchecked-optional-access (#112605)

Treat calls to zero-param const methods as having stable return values
(with a cache) to address issue #58510. The cache is invalidated when
non-const methods are called. This uses the infrastructure from PR
#111006.

For now we cache methods returning:
- ref to optional
- optional by value
- booleans

We can extend that to pointers to optional in a next change.



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