[all-commits] [llvm/llvm-project] 452f59: Reapply "[LoopUnroll] Support parallel reductions ...

[Madhur Amilkanthwar via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 452f59c8dc30a3bc16c691f5862bc5b39d97319a
      https://github.com/llvm/llvm-project/commit/452f59c8dc30a3bc16c691f5862bc5b39d97319a
  Author: Madhur Amilkanthwar <madhura at nvidia.com>
  Date:   2026-06-12 (Fri, 12 Jun 2026)

  Changed paths:
    M llvm/lib/Transforms/Utils/LoopUnroll.cpp
    A llvm/test/Transforms/LoopUnroll/runtime-unroll-reductions-min-max.ll

  Log Message:
  -----------
  Reapply "[LoopUnroll] Support parallel reductions for minmax" (#201010)

Reapplies 1e79ea1f5b3e (#182473) reverted by 56ccbc253150 (#200892). The
revert was due to a profcheck failure: prof-verify reported "select
annotation missing" on the combine select createMinMaxOp emits for FP
fcmp+select min/max.

This patch fixes it by marking the branch weights of newly inserted
selects as explicitly unknown.



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