[PATCH] D109762: [NewPM][SimpleLoopUnswitch] Add DivergenceInfo

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


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Comment at: llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp:2803
+    Function *F = L.getHeader()->getParent();
+    PostDominatorTree PDT(*F);
+    DivergenceInfo DI(*F, DT, PDT, LI, TTI, /*KnownReducible*/ true);
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Constructing your own PostDominatorTree seems not good. Should this be a pass dependency for divergent targets?


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  https://reviews.llvm.org/D109762/new/

https://reviews.llvm.org/D109762