[all-commits] [llvm/llvm-project] 454d7c: [X86] Do not combine LRINT and TRUNC (#125848)

[Phoebe Wang via All-commits]

  Branch: refs/heads/release/20.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 454d7c10f1869e0c109c733b2385b8c16c6a7756
      https://github.com/llvm/llvm-project/commit/454d7c10f1869e0c109c733b2385b8c16c6a7756
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2025-02-07 (Fri, 07 Feb 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/lrint-conv-i64.ll

  Log Message:
  -----------
  [X86] Do not combine LRINT and TRUNC (#125848)

Per to discussions in #125324, most participants are opposed to this
optimization. So remove the combination to address the concerns.

Fixes #125324

(cherry picked from commit 8c222c122f1a8edb1be96e482511ad547f7db7b3)



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