[all-commits] [llvm/llvm-project] 7f0760: [clang][dataflow] Add support for `value_or` in a ...

[Yitzhak Mandelbaum via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7f076004e941fe60ab613a218da31a25b09b0925
      https://github.com/llvm/llvm-project/commit/7f076004e941fe60ab613a218da31a25b09b0925
  Author: Yitzhak Mandelbaum <yitzhakm at google.com>
  Date:   2022-03-31 (Thu, 31 Mar 2022)

  Changed paths:
    M clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp
    M clang/unittests/Analysis/FlowSensitive/UncheckedOptionalAccessModelTest.cpp

  Log Message:
  -----------
  [clang][dataflow] Add support for `value_or` in a comparison.

This patch adds limited modeling of the `value_or` method. Specifically, when
used in a particular idiom in a comparison to implicitly check whether the
optional holds a value.

Differential Revision: https://reviews.llvm.org/D122231