tree a403bc1b3c4269e0f33d3c364f0f080bc3a05718
parent 5db83bfbf5ea3241a1b52677bb98a7239212e6e5
author Han-Chung Wang <hanhan0912@gmail.com> 1757041267 -0700
committer GitHub <noreply@github.com> 1757041267 -0700
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[Integrate] Drop llvm/llvm-project@b4c31dc revert. (#21851)

It carries a cherry-pick fix that gets the operands from the adaptor:
-
https://github.com/iree-org/llvm-project/commit/8b88014f2dddce669f714872dd8495348422469d

Changes:
- Update most lit tests to check `vector.from_elements`.
- Add unrolling patterns to the final conversion.
- Implement n-D `vector::ToElementsOp` lowering, which will be dropped
after https://github.com/llvm/llvm-project/pull/156992 is landed. It
should be added to all the backends, but somehow only AMDGPU backend
needs the pattern. The other backends may address the issue via
specialized tiling config + dropping vector unit dim patterns.

---------

Signed-off-by: hanhanW <hanhan0912@gmail.com>