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Author	SHA1	Message	Date
Arnold Schwaighofer	029032693f	BasicAA: GEPs of NoAlias'ing base ptr with equivalent indices are NoAlias If we can show that the base pointers of two GEPs don't alias each other using precise analysis and the indices and base offset are equal then the two GEPs also don't alias each other. This is primarily needed for the follow up patch that analyses NoAlias'ing PHI nodes. Part 1/2 of fix for PR13564. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163317 91177308-0d34-0410-b5e6-96231b3b80d8	2012-09-06 14:31:51 +00:00

Author

SHA1

Message

Date

Arnold Schwaighofer

029032693f

BasicAA: GEPs of NoAlias'ing base ptr with equivalent indices are NoAlias

If we can show that the base pointers of two GEPs don't alias each other using
precise analysis and the indices and base offset are equal then the two GEPs
also don't alias each other.
This is primarily needed for the follow up patch that analyses NoAlias'ing PHI
nodes.

Part 1/2 of fix for PR13564.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163317 91177308-0d34-0410-b5e6-96231b3b80d8

2012-09-06 14:31:51 +00:00

1 Commits