X86-FMA3: Implemented commute transformation for EVEX/AVX512 FMA3 opcodes.
This helped to improved memory-folding and register coalescing optimizations.

Also, this patch fixed the tracker #17229.

Reviewer: Craig Topper.
Differential Revision: https://reviews.llvm.org/D23108


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278431 91177308-0d34-0410-b5e6-96231b3b80d8
10 files changed