tree e8084aed71378b07f8ba977bf1586e588ab52a57
parent 7e25d45cfb3572a98aac364ee74dbc4d108ebeb7
author Dan Gohman <gohman@apple.com> 1247518553 +0000
committer Dan Gohman <gohman@apple.com> 1247518553 +0000

Move the memoization check for SCEVSignExtendExpr and
SCEVZeroExtendExpr ahead of the most expensive analysis. This
speeds up analysis and helps avoid pathologically bad behavior
on the testcase in PR4534.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75496 91177308-0d34-0410-b5e6-96231b3b80d8