[all-commits] [llvm/llvm-project] 2651d0: [llvm][CodeGen] Resolve issues when updating live ...

[Hua Tian via All-commits]

  Branch: refs/heads/release/19.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 2651d09ec9c4d87d09ae72d8bf42fab566fb02d0
      https://github.com/llvm/llvm-project/commit/2651d09ec9c4d87d09ae72d8bf42fab566fb02d0
  Author: Hua Tian <akiratian at tencent.com>
  Date:   2024-09-10 (Tue, 10 Sep 2024)

  Changed paths:
    M llvm/lib/CodeGen/ModuloSchedule.cpp
    A llvm/test/CodeGen/Hexagon/swp-ws-live-intervals.mir

  Log Message:
  -----------
  [llvm][CodeGen] Resolve issues when updating live intervals in window scheduler (#101945)

Corrupted live interval information can cause window scheduling to crash
in some cases. By adding the missing MBB's live interval information in the
ModuloScheduleExpander, the information can be correctly analyzed in
the window scheduler.

(cherry picked from commit 43ba1097ee747b4ec5e757762ed0c9df6255a292)



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