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0bbea95433
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3 Commits

Author SHA1 Message Date
Chris Lattner
0bbea95433 Make fsel emission work with both the pattern and dag-dag selectors, by 
giving it a non-instruction opcode.  The dag->dag selector used to not
select the operands of the fsel, because it thought that whole tree was
already selected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23091 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 20:25:03 +00:00
Chris Lattner
e4bc9ea0a5 add initial support for converting select_cc -> fsel in the legalizer 
instead of in the backend.  This currently handles fsel cases with registers,
but doesn't have the 0.0 and -0.0 optimization enabled yet.

Once this is finished, special hack for fp immediates can go away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23075 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 00:52:45 +00:00
Chris Lattner
7c5a3d390a Pull the LLVM -> DAG lowering code out of the pattern selector so that it 
can be shared with the DAG->DAG selector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22799 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 17:14:42 +00:00