[PATCH] D104805: IR: Fix use-list-order round-tripping for call and invoke

[Duncan P. N. Exon Smith via Phabricator via llvm-commits]

dexonsmith added a comment.

In D104805#2836738 <https://reviews.llvm.org/D104805#2836738>, @nikic wrote:

> Can you please point me to the code where the use-list order prediction is made?

The relevant code for AsmWriter is:
https://github.com/llvm/llvm-project/blob/main/llvm/lib/IR/AsmWriter.cpp#L232

  // LID and RID are equal, so we have different operands of the same user.
  // Assume operands are added in order for all instructions.
  if (GetsReversed)
    if (LID <= ID)
      return LU->getOperandNo() < RU->getOperandNo();
  return LU->getOperandNo() > RU->getOperandNo();

I'll need a minute to find it for BitcodeWriter.


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