Dan Gohman e2c6d131d1 Teach SimplifyCFG how to simplify indirectbr instructions.
- Eliminate redundant successors.
 - Convert an indirectbr with one successor into a direct branch.

Also, generalize SimplifyCFG to be able to be run on a function entry block.
It knows quite a few simplifications which are applicable to the entry
block, and it only needs a few checks to avoid trouble with the entry block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111060 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-14 00:29:42 +00:00
2010-07-16 06:33:36 +00:00
2010-04-16 13:32:55 +00:00
2010-08-13 20:08:53 +00:00
2010-01-09 18:40:31 +00:00
2010-07-27 00:04:55 +00:00

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