Chris Lattner 6cfd1ebcd3 Fix PR590 and Transforms/Mem2Reg/2005-06-30-ReadBeforeWrite.ll.
The optimization for locally used allocas was not safe for allocas that
were read before they were written.  This change disables that optimization
in that case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22318 91177308-0d34-0410-b5e6-96231b3b80d8
2005-06-30 07:29:44 +00:00
..
2005-04-21 23:48:37 +00:00
2005-06-29 15:57:50 +00:00