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Wang, Pengfei authored
Summary: X86 has instructions to calculate fma and fneg at the same time. But we combine the fneg and fma only when fneg is the source operand under strict FP. Reviewers: craig.topper, andrew.w.kaylor, uweigand, RKSimon, LiuChen3 Subscribers: LuoYuanke, llvm-commits, cfe-commits, jdoerfert, hiraditya Tags: #llvm Differential Revision: https://reviews.llvm.org/D72824
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