Diana Picus 65ed364fac [ARM GlobalISel] Legalize G_FPEXT and G_FPTRUNC ...

Mark G_FPEXT and G_FPTRUNC as legal or libcall, depending on hardware
support, but only for conversions between float and double.

Also add the necessary boilerplate so that the LegalizerHelper can
introduce the required libcalls. This also works only for float and
double, but isn't too difficult to extend when the need arises.

llvm-svn: 322651

2018-01-17 13:34:10 +00:00

35 KiB

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