[PATCH] D119854: [SimplifyCFG][PhaseOrdering] Defer lowering switch into an integer range comparison and branch until after at least the IPSCCP

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D119854#3325590 <https://reviews.llvm.org/D119854#3325590>, @nikic wrote:

> This looks sensible to me.
>
> Would it be sufficient to only block this transform in the very first (pre-inlining) SimplifyCFG run, which I think would allow IPSCCP to fold it? Or does only CVP handle this case?

For the tests //in question// it would appear IPSCCP is enough, so i've changed it accordingly.


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  https://reviews.llvm.org/D119854/new/

https://reviews.llvm.org/D119854