[all-commits] [llvm/llvm-project] a4ddeb: [clang] Don't omit null pointer checks with -fms-k...

[eleviant via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a4ddeba8daff36c8e6285fa3603185b4c9b41718
      https://github.com/llvm/llvm-project/commit/a4ddeba8daff36c8e6285fa3603185b4c9b41718
  Author: eleviant <eleviant at accesssoftek.com>
  Date:   2026-05-06 (Wed, 06 May 2026)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Options/Options.td
    A clang/test/CodeGen/MSKernel/null-deref.c

  Log Message:
  -----------
  [clang] Don't omit null pointer checks with -fms-kernel (#193800)

In kernel space, a null (zero) address may be valid, so treating it as "always invalid" and bypassing null checks is not correct. With -fms-kernel, we override the default behavior and disable assumptions about null pointers. However, -fdelete-null-pointer-checks can still be used to re-enable these optimizations.



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