Author: matze Date: Thu Feb 9 17:25:27 2017 New Revision: 294656 URL: http://llvm.org/viewvc/llvm-project?rev=294656&view=rev Log: ReleaseNotes.rst: Add a section about .mir testing
Modified: llvm/branches/release_40/docs/ReleaseNotes.rst Modified: llvm/branches/release_40/docs/ReleaseNotes.rst URL: http://llvm.org/viewvc/llvm-project/llvm/branches/release_40/docs/ReleaseNotes.rst?rev=294656&r1=294655&r2=294656&view=diff ============================================================================== --- llvm/branches/release_40/docs/ReleaseNotes.rst (original) +++ llvm/branches/release_40/docs/ReleaseNotes.rst Thu Feb 9 17:25:27 2017 @@ -75,6 +75,21 @@ Non-comprehensive list of changes in thi * Significant build-time and binary-size improvements when compiling with debug info (-g). +Code Generation Testing +----------------------- + +Passes that work on the machine instruction representation can be tested with +the .mir serialization format. ``llc`` supports the ``-run-pass``, +``-stop-after``, ``-stop-before``, ``-start-after``, ``-start-before`` to to +run a single pass of the code generation pipeline, or to stop or start the code +generation pipeline at a given point. + +Additional information can be found in the :doc:`MIRLangRef`. The format is +used by the tests ending in ``.mir`` in the ``test/CodeGen`` directory. + +This feature is available since 2015. It is used more often lately and was not +mentioned in the release notes yet. + Intrusive list API overhaul --------------------------- _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits