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Author SHA1 Message Date
Roman Lebedev 7f221c9196
[SimplifyCFG] Teach SwitchToLookupTable() to preserve DomTree 2020-12-30 23:58:41 +03:00
Roman Lebedev b43b77ff9b
[NFCI][SimlifyCFG] simplifyOnce(): also perform DomTree validation 
And that exposes that a number of tests don't *actually* manage to
maintain DomTree validity, which is inline with my observations.

Once again, SimlifyCFG pass currently does not require/preserve DomTree
by default, so this is effectively NFC.
 2020-12-20 00:18:32 +03:00
Roman Lebedev 164e0847a5
[SimplifyCFG] DeleteDeadBlock() already knows how to preserve DomTree 
... so just ensure that we pass DomTreeUpdater it into it.

Fixes DomTree preservation for a large number of tests,
all of which are marked as such so that they do not regress.
 2020-12-18 00:37:21 +03:00
Sam Parker 18850981c8 [NFC][SimplifyCFG] Move X86 tests into subdir 2020-07-03 14:28:27 +01:00