[all-commits] [llvm/llvm-project] 95e186: Reland "DAG: Preserve range metadata when load is ...

[LU-JOHN via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 95e186cadfc880ba5f7a1d90c075cf097e33ff62
      https://github.com/llvm/llvm-project/commit/95e186cadfc880ba5f7a1d90c075cf097e33ff62
  Author: LU-JOHN <John.Lu at amd.com>
  Date:   2025-03-13 (Thu, 13 Mar 2025)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AMDGPU/shl64_reduce.ll
    A llvm/test/CodeGen/X86/narrow-load-metadata.ll

  Log Message:
  -----------
  Reland "DAG: Preserve range metadata when load is narrowed" (#128144) (#130609)

Changes: Add guard to ensure truncation is strictly smaller than
original size.

---------

Signed-off-by: John Lu <John.Lu at amd.com>



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