Author: Juneyoung Lee Date: 2020-02-27T21:41:48+09:00 New Revision: 3b6f4c544be48dcfa663cfb62da3fd4e779954a5
URL: https://github.com/llvm/llvm-project/commit/3b6f4c544be48dcfa663cfb62da3fd4e779954a5 DIFF: https://github.com/llvm/llvm-project/commit/3b6f4c544be48dcfa663cfb62da3fd4e779954a5.diff LOG: [ReleaseNotes] Mention freeze instruction Reviewers: hans, nlopes, regehr Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D75226 Added: Modified: llvm/docs/ReleaseNotes.rst Removed: ################################################################################ diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst index 69a055aeef63..a788f8f60042 100644 --- a/llvm/docs/ReleaseNotes.rst +++ b/llvm/docs/ReleaseNotes.rst @@ -86,8 +86,8 @@ Non-comprehensive list of changes in this release * Windows Control Flow Guard: the ``-cfguard`` option now emits CFG checks on - indirect function calls. The previous behavior is still available with the - ``-cfguard-nochecks`` option. Note that this feature should always be used + indirect function calls. The previous behavior is still available with the + ``-cfguard-nochecks`` option. Note that this feature should always be used with optimizations enabled. * ``Callbacks`` have been added to ``CommandLine Options``. These can @@ -123,6 +123,10 @@ Changes to the LLVM IR that correctly converted 80-90% of Clang tests. Some manual work will almost certainly still be needed. +* A new `freeze` instruction is added. The `freeze` instruction is used to stop + IR-level propagation of undef and poison values. Currently its support is + preliminary; a freeze-equivalent operation for SelDag/MIR needs to be added. + Changes to building LLVM ------------------------ _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
