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4 Commits

Author SHA1 Message Date
Nikita Popov
e7618a6361 [GVN] Fix change reporting when removing assume (PR61574) 
Report a change when removing a true/false assume.

Fixes https://github.com/llvm/llvm-project/issues/61574.
 2023-03-22 15:23:31 +01:00
Bjorn Pettersson
0676acb6fd [test] Switch to use -passes syntax in a bunch of test cases 
Should cover most of the tests for GVN, GVNHoist, GVNSink, GlobalOpt,
GlobalSplit, InstCombine, Reassociate, SROA and TailCallElim that
had not been updated earlier.
 2022-11-29 13:29:02 +01:00
Nikita Popov
91ce8e121b [GVN] Use that assume(!X) implies X==false (PR47496) 
We already use that assume(X) implies X==true, do the same for
assume(!X) implying X==false. This fixes PR47496.
 2020-09-17 21:34:44 +02:00
Nikita Popov
59855b9d3b [GVN] Add additional assume tests (NFC) 
The other assume tests seem to be dealing with equalities in
particular. Test implication for the condition itself, especially
the negated case from PR47496.
 2020-09-17 21:34:43 +02:00