Florian Hahn b7e922a3da
[VPlan] Convert BuildVector with all-equal values to Broadcast. (#165826)
Fold BuildVector where all operands are equal to Broadcast of the first
operand. This will subsequently make it easier to remove additional
buildvectors/broadcasts, e.g. via
https://github.com/llvm/llvm-project/pull/165506.

PR: https://github.com/llvm/llvm-project/pull/165826
2025-11-01 17:28:42 -07:00
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