Matt Arsenault 0dc54c4dee Add generic fmad DAG node. ...

This allows sharing of FMA forming combines to work
with instructions that have the same semantics as a separate
multiply and add.

This is expand by default, and only formed post legalization
so it shouldn't have much impact on targets that do not want it.

llvm-svn: 230070

2015-02-20 22:10:33 +00:00

58 KiB

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