[all-commits] [llvm/llvm-project] c0b3e4: [llvm][Mips] Bail on underaligned loads/stores in ...

[Alex Rønne Petersen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c0b3e491cc9afe10c310334ceac1971482bb0410
      https://github.com/llvm/llvm-project/commit/c0b3e491cc9afe10c310334ceac1971482bb0410
  Author: Alex Rønne Petersen <alex at alexrp.com>
  Date:   2024-09-12 (Thu, 12 Sep 2024)

  Changed paths:
    M llvm/lib/Target/Mips/MipsFastISel.cpp
    A llvm/test/CodeGen/Mips/Fast-ISel/underaligned-load-store.ll

  Log Message:
  -----------
  [llvm][Mips] Bail on underaligned loads/stores in FastISel. (#106231)

We encountered this problem in Zig, causing all of our
`mips(el)-linux-gnueabi*` tests to fail:
https://github.com/ziglang/zig/issues/21215

For these unusual cases, let's just bail in `MipsFastISel` since
`MipsTargetLowering` can handle them fine.

Note: I don't have commit access.



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