[PATCH] D139993: [LoopFusion] Sorting of undominated FusionCandidates crashes

[Ramkrishnan Narayanan Komala via Phabricator via llvm-commits]

ram-NK marked an inline comment as done.
ram-NK added inline comments.


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Comment at: llvm/lib/Transforms/Scalar/LoopFuse.cpp:432
+        nonStrictlyPostDominate(RHSEntryBlock, LHSEntryBlock, DT, LHS.PDT);
+    if (WrongOrder && RightOrder) {
+      // If common predecessor of LHS and RHS post dominates both
----------------
aeubanks wrote:
> actually, do we have tests for all the WrongOrder/RightOrder combinations?
In the test case, added new predecessor for **entry.vector.body_crit_edge** from** middle.block15** to satisfy this condition.


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