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Commit 38bf5adc authored by Evan Cheng's avatar Evan Cheng
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Distribute (A + B) * C to (A * C) + (B * C) to make use of NEON multiplier 

accumulator forwarding:
vadd d3, d0, d1
vmul d3, d3, d2
=>
vmul d3, d0, d2
vmla d3, d1, d2

llvm-svn: 128665
parent 7ac97412
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