[all-commits] [llvm/llvm-project] 7f87b5: [SelectionDAG][X86] Preserve unpredictable metadat...

[Tianqing Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7f87b5bf0e2f0e01735e5abe724d7fe5c69d202e
      https://github.com/llvm/llvm-project/commit/7f87b5bf0e2f0e01735e5abe724d7fe5c69d202e
  Author: Tianqing Wang <tianqing.wang at intel.com>
  Date:   2024-08-19 (Mon, 19 Aug 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/SelectionDAG.h
    M llvm/include/llvm/CodeGen/SwitchLoweringUtils.h
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/unpredictable-brcond.ll

  Log Message:
  -----------
  [SelectionDAG][X86] Preserve unpredictable metadata for conditional branches in SelectionDAG, as well as JCCs generated by X86 backend. (#102101)

This builds on 09515f2c2, which preserves unpredictable metadata in
CodeGen for `select`. This patch does it for conditional branches.



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