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303 Commits

Author SHA1 Message Date
Nate Begeman
b5a0668d43 Be fruitful and multiply! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22849 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 00:21:41 +00:00
Nate Begeman
26653500bb Teach the DAG->DAG ISel about FNEG, and how it can be used to invert 
several of the PowerPC opcodes that come in both negated and non-negated
forms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22845 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 23:46:35 +00:00
Chris Lattner
a5a91b1026 initial hack at a dag->dag instruction selector. This is obviously woefully 
incomplete, but it is a start.  It handles basic argument/retval stuff, immediates,
add and sub.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22836 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 19:33:03 +00:00