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Commit 1a0da2db authored by Craig Topper's avatar Craig Topper
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[X86] Add support for combining FMADDSUB(A, B, FNEG(C))->FMSUBADD(A, B, C) 

Support the opposite direction as well. Also add a TODO for not being able to combine FMSUB/FNMADD/FNMSUB with FNEG.

llvm-svn: 317878
parent 46d0cd34
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