[all-commits] [llvm/llvm-project] e34e80: [Mips][GlobalISel] Fix Big Endian lowering (#225972)

[Jiaxun Yang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e34e80918571ac5af5d00191bc053d7d60c1f039
      https://github.com/llvm/llvm-project/commit/e34e80918571ac5af5d00191bc053d7d60c1f039
  Author: Jiaxun Yang <jiaxun.yang at flygoat.com>
  Date:   2026-09-24 (Thu, 24 Sep 2026)

  Changed paths:
    M llvm/lib/Target/Mips/MipsCallLowering.h
    M llvm/lib/Target/Mips/MipsInstructionSelector.cpp
    M llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
    M llvm/test/CodeGen/Mips/GlobalISel/irtranslator/aggregate_struct_return.ll
    A llvm/test/CodeGen/Mips/GlobalISel/irtranslator/big-endian.ll
    M llvm/test/CodeGen/Mips/GlobalISel/irtranslator/extend_args.ll
    A llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/big-endian-memory.ll
    M llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/float_constants.ll
    M llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/load_store_vec.ll

  Log Message:
  -----------
  [Mips][GlobalISel] Fix Big Endian lowering (#225972)

Flip on the big-endian switch in Mips call lowering. Fix split memory
piece placement, short-load bit extraction, and unaligned left/right
instruction offsets for big-endian targets.

Add BE/LE test coverage.



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