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...in r243388. It was used to override the default command line option that selects the DAG scheduler to use. Instead of hacking into the command line plumbing, a target that wants more control over the selection of the scheduler than it already has with setSchedulingPreference has a SubTargetHook “getDAGScheduler” that can be overridden. The original motivation for this change was to remove some mutable global state. — Mehdi -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150728/c3471a5e/attachment.html>