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Re: Merge switch statements in tree-cfgcleanup
On 07/22/2016 07:13 AM, Richard Biener wrote:
My recollection is that the cfg cleanup routines start by removing
unreachables, then recomputing the dominator tree if it's not available.
+ if (dom_info_available_p (CDI_DOMINATORS))
I think DOM info is always available during CFG cleanup
That sequencing is vital as the dominator tree builder will assert
there's no unreachables in the CFG.