[llvm] [LV] Bundle partial reductions inside VPExpressionRecipe (PR #147302)
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 9 04:11:57 PDT 2025
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@@ -192,7 +192,7 @@ define i32 @dotp_unrolled(i32 %num_out, i64 %num_in, ptr %a, ptr %b) {
; CHECK: LV(REG): VF = 16
; CHECK-NEXT: LV(REG): Found max usage: 2 item
; CHECK-NEXT: LV(REG): RegisterClass: Generic::ScalarRC, 9 registers
-; CHECK-NEXT: LV(REG): RegisterClass: Generic::VectorRC, 12 registers
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fhahn wrote:
Hmm, do you know why the register usage increased here?
https://github.com/llvm/llvm-project/pull/147302
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