Dan Gohman afc36a9520 Previously, RecursivelyDeleteDeadInstructions provided an option
of returning a list of pointers to Values that are deleted. This was
unsafe, because the pointers in the list are, by nature of what
RecursivelyDeleteDeadInstructions does, always dangling. Replace this
with a simple callback mechanism. This may eventually be removed if
all clients can reasonably be expected to use CallbackVH.

Use this to factor out the dead-phi-cycle-elimination code from LSR
utility function, and generalize it to use the
RecursivelyDeleteTriviallyDeadInstructions utility function.

This makes LSR more aggressive about eliminating dead PHI cycles;
adjust tests to either be less trivial or to simply expect fewer
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70636 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02 18:29:22 +00:00
..
2009-04-29 00:15:41 +00:00
2009-04-29 00:15:41 +00:00
2009-02-12 17:04:57 +00:00
2009-04-29 00:15:41 +00:00
2009-03-26 23:03:32 +00:00
2009-04-29 00:15:41 +00:00
2009-04-29 00:15:41 +00:00
2009-04-04 10:24:24 +00:00
2009-04-29 00:15:41 +00:00
2009-04-29 00:15:41 +00:00
2009-04-29 00:15:41 +00:00
2009-02-09 23:32:07 +00:00
2009-03-12 17:07:39 +00:00
2009-03-23 18:27:36 +00:00
2009-03-04 02:47:25 +00:00
2009-01-21 21:28:03 +00:00
2009-04-29 00:15:41 +00:00
2009-02-13 22:36:38 +00:00
2009-03-01 02:03:43 +00:00
2009-04-29 00:15:41 +00:00