https://bugs.llvm.org/show_bug.cgi?id=33038
Lang Hames <lha...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #4 from Lang Hames <lha...@gmail.com> ---
Huh. It looks like while spilling one VReg (call it V1) the spiller can cause
the live range for another VReg to become empty. I'm guessing this is an
in-spiller coalescing optimization or something like that.
I've modified initializeGraph to prune such empty intervals in r325632. That
should fix this.
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