[PATCH] D21291: [SimplifyCFG] Range reduce switches

[Sanjoy Das via llvm-commits]

sanjoy added inline comments.

================
Comment at: lib/Transforms/Utils/SimplifyCFG.cpp:4992
@@ +4991,3 @@
+
+  bool HasHoles = Values.back() != SI->getNumCases() - 1;
+  if (!HasHoles)
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sanjoy wrote:
> How about `{-2, 0, 2, 4}`?  That's sparse and can benefit from this pass, but here you'll conclude that it has no holes.
Bad example, I meant cases like `{-3, -1, 1, 3}`.


Repository:
  rL LLVM

http://reviews.llvm.org/D21291