================
@@ -2903,6 +2920,38 @@ void
LoopVectorizationCostModel::collectLoopUniforms(ElementCount VF) {
AddToWorklistIfAllowed(IndUpdate);
}
+ // Handle monotonic phis (similarly to induction vars).
+ for (const auto &MonotonicPHI : Legal->getMonotonicPHIs()) {
----------------
MacDue wrote:
I've now moved most of the user checking into the descriptor see
(github.com/llvm/llvm-project/pull/214490), and removed the uniformity
collection/costing from this patch.
https://github.com/llvm/llvm-project/pull/214491
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