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Commit 76656ec8 authored by Liu, Chen3's avatar Liu, Chen3
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[X86][FP16] Combine the FADD(A, FMA(B, C, 0)) to FMA(B, C, A) 

This patch is to support transform something like
_mm512_add_ph(acc, _mm512_fmadd_pch(a, b, _mm512_setzero_ph()))
to _mm512_fmadd_pch(a, b, acc).

Differential Revision: https://reviews.llvm.org/D109953
parent 352a2e67
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