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[RISCV] Use vmv.s.x to lower VID sequences that only the first element is inconsistent.
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Authored by jacquesguan on Dec 7 2021, 1:18 AM.

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Summary

Because we could use vmv.s.x to set the first element, we could lower a sequence to vid if only the first element is inconsistent.

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Event Timeline

jacquesguan created this revision.Dec 7 2021, 1:18 AM
jacquesguan requested review of this revision.Dec 7 2021, 1:18 AM
Herald added a project: Restricted Project. · View Herald TranscriptDec 7 2021, 1:18 AM

Update test.

Use INSERT_VECTOR_ELT instead of VMV_S_X_VL.

jacquesguan abandoned this revision.Jun 8 2022, 2:25 AM

I create a new revision https://reviews.llvm.org/D127276 which would cover this one.

Herald added a project: Restricted Project. · View Herald TranscriptJun 8 2022, 2:25 AM