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...here a way to provide a flag to enable the whole thing so that folks can help you test stuff in advance of making it the default? (Yes, I'm volunteering. =D) I'll probably turn it off soon ;) If want the same behavior as the target hook you can use these flags: -pre-RA-sched=source -join-globalcopies -enable-misched Thanks for any testing! Bug reports would be great. -Andy -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130624/83ad28ec/attachment.html>

On Mon, Jun 24, 2013 at 2:41 AM, Andrew Trick <atrick at apple.com> wrote: > I'm briefly enabling the MachineScheduler pass for x86 tonight to collect > information on any failures that may show up. > > To properly enable the new scheduler, this hook is implemented in > X86Subtarget: > > bool enableMachineScheduler() const LLVM_OVERRIDE { return true; } > >

I'm briefly enabling the MachineScheduler pass for x86 tonight to collect information on any failures that may show up. To properly enable the new scheduler, this hook is implemented in X86Subtarget: bool enableMachineScheduler() const LLVM_OVERRIDE { return true; } The MachineScheduler pass itself can be enabled/disabled with -enable-misched=true/false. But most of the codegen changes