[PATCH] D53282: [SCEV] Limit AddRec "simplifications" to avoid combinatorial explosions

[Sanjoy Das via Phabricator via llvm-commits]

sanjoy accepted this revision.
sanjoy added a comment.
This revision is now accepted and ready to land.

lgtm



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Comment at: test/Analysis/ScalarEvolution/binomial-explision.ll:19
+bb1:                                              ; preds = %bb3, %bb
+  %tmp = phi i64 [ undef, %bb ], [ %tmp22, %bb3 ]
+  %tmp2 = phi i32 [ undef, %bb ], [ %tmp4, %bb3 ]
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Let's remove these undefs from the test case (to make it 100% obvious that the test has nothing to do with optimizing undefs).


https://reviews.llvm.org/D53282