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Commit ea228bd0 authored by Matt Devereau's avatar Matt Devereau
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[AArch64] Emit FNMADD instead of FNEG(FMADD) 

Emit FNMADD instead of FNEG(FMADD) for optimization levels
above Oz when fast-math flags (nsz+contract) permit it.

Differential Revision: https://reviews.llvm.org/D149260
parent 288529e7
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