Florian Hahn cfd53ffb44 [InstCombine] Use MapVector for SourceAggregates. (#132564) ...

foldAggregateConstructionIntoAggregateReuse iterates over the entries of
SourceAggregates and the order of inserted instructions depends on the
order of the iterator. Using a regular DenseMap can lead to
non-deterministic value naming/numbering.

I don't think it can actually impact the generated binary, but it makes
diffing IR more difficult.

PR: https://github.com/llvm/llvm-project/pull/132564

2025-03-23 11:16:50 +00:00

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