Bill Wendling 49a5ce863e Fix for PR3040: ...

The CC was changed, but wasn't checked to see if it was legal if the DAG
combiner was being run after legalization. Threw in a couple of checks just to
make sure that it's okay. As far as the PR is concerned, no back-end target
actually exhibited this problem, so there isn't an associated testcase.

llvm-svn: 59035

2008-11-11 08:25:46 +00:00

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