[all-commits] [llvm/llvm-project] 532661: AtomicExpand: Really allow incremental legalizatio...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5326614e2f84677515c38a17cf2f30cf66deaadc
      https://github.com/llvm/llvm-project/commit/5326614e2f84677515c38a17cf2f30cf66deaadc
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-09-20 (Fri, 20 Sep 2024)

  Changed paths:
    M llvm/lib/CodeGen/AtomicExpandPass.cpp
    M llvm/test/CodeGen/AArch64/atomicrmw-fadd.ll
    M llvm/test/CodeGen/AArch64/atomicrmw-fmax.ll
    M llvm/test/CodeGen/AArch64/atomicrmw-fmin.ll
    M llvm/test/CodeGen/AArch64/atomicrmw-fsub.ll

  Log Message:
  -----------
  AtomicExpand: Really allow incremental legalization (#108613)

Fix up 100d9b89947bb1d42af20010bb594fa4c02542fc. The iterator
fixes ended up defeating the point, since newly inserted blocks
were not visited. This never erases the current block, so we can
simply not preincrement the block iterator.

The AArch64 FP atomic tests now expand the cmpxchg in the second
round of legalization.



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