Sergei Barannikov 38d84e3d76 [GISel] Legalize G_FSUB to G_FADD + G_FNEG even if G_FNEG is illegal ...

`G_FNEG` used to be legalized to `G_FSUB -0, x` causing infinite loop.
This is no longer the case after D84287.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D148187

2023-04-15 08:11:49 +03:00

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