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[BPF] Return true in enableMultipleCopyHints().

Description

[BPF] Return true in enableMultipleCopyHints().

Enable multiple COPY hints to eliminate more COPYs during register allocation.

Note that this is something all targets should do, see
https://reviews.llvm.org/D38128.

Review: Yonghong Song

Details

Committed
jonpaFeb 18 2018, 2:09 AM
Parents
rL325456: [X86] Make masked pcmpeq commutable during isel so we can fold loads in other…
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