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clang-p2996/llvm/lib/CodeGen/MachineCombiner.cpp
Chen Zheng 0ed4cf4bf3 [PowerPC] support register pressure reduction in machine combiner. 
Reassociating some patterns to generate more fma instructions to
reduce register pressure.

Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D92071
2021-01-24 21:28:21 -05:00

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