Dan Gohman c674a924d4 Don't assume that only Uses can be kills. Defs are marked as kills initially ...

when there are no uses. This fixes a dangling-pointer bug, where pointers to
deleted instructions were not removed from kills lists. More info here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2007-July/009749.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40131 91177308-0d34-0410-b5e6-96231b3b80d8

2007-07-20 23:17:34 +00:00

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