[AArch64 MachineCombine] Enhance/Add support for general reassociation to…

Description

[AArch64 MachineCombine] Enhance/Add support for general reassociation to reduce the critical path

Allow fadd/fmul to be reassociated in aarch64.

Details

Committed
haichengJan 6 2016, 8:01 PM
Parents
rL257023: [ELF] Add AMDGPU support
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