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Commit 2ee7c4df authored by Owen Anderson's avatar Owen Anderson
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Make it possible for a target to mark FSUB as Expand. This requires providing... 

Make it possible for a target to mark FSUB as Expand.  This requires providing a default expansion (FADD+FNEG), and teaching DAGCombine not to form FSUBs post-legalize if they are not legal.

llvm-svn: 152079
parent 0accc6ae
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