[all-commits] [llvm/llvm-project] af03c2: [AArch64] Generalize the instruction size checking...

Anatoly Trosinenko via All-commits all-commits at lists.llvm.org
Fri Sep 27 02:58:03 PDT 2024


  Branch: refs/heads/users/atrosinenko/aarch64-asm-printer-check-inst-size
  Home:   https://github.com/llvm/llvm-project
  Commit: af03c2af4aedd58ab941250d19c965ad774c4a46
      https://github.com/llvm/llvm-project/commit/af03c2af4aedd58ab941250d19c965ad774c4a46
  Author: Anatoly Trosinenko <atrosinenko at accesssoftek.com>
  Date:   2024-09-27 (Fri, 27 Sep 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td

  Log Message:
  -----------
  [AArch64] Generalize the instruction size checking in AsmPrinter

Most of PAuth-related code counts the instructions being inserted and
asserts that no more bytes are emitted than the size returned by the
getInstSizeInBytes(MI) method. This check seems useful not only for
PAuth-related instructions. Also, reimplementing it globally in
AArch64AsmPrinter makes it more robust and simplifies further
refactoring of PAuth-related code.



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