[PATCH] D95806: [LoopUnrollAndJam] Do not allows loops which have no exit(ing) blocks or multiple exit(ing) blocks

[Michael Kruse via Phabricator via llvm-commits]

Meinersbur added inline comments.


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Comment at: llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp:842
+    // Only loops with a single exiting block can be unrolled and jammed.
+    if (!L->getExitingBlock()) {
+      LLVM_DEBUG(dbgs() << "Won't unroll-and-jam; only loops with single "
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It is possible for a single exiting block to have multiple outgoing edges (likely with a switch terminator). Do you intend to allow this/is it checked somewhere else already?


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  https://reviews.llvm.org/D95806/new/

https://reviews.llvm.org/D95806