chuongg3 9b5971ad03 [AArch64][GlobalISel] Lower G_BUILD_VECTOR to G_INSERT_VECTOR_ELT (#105686) ...

The lowering happens in post-legalizer lowering if any source registers
from G_BUILD_VECTOR are not constants.

Add pattern pragment setting `scalar_to_vector ($src)` asequivalent to
`vector_insert (undef), ($src), (i61 0)`

2024-09-03 18:55:23 -07:00

50 KiB

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