llvm-project
c0f73c80 - [mlir] Use a container with deterministic iteration order for unrealized materializations (#191323)

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13 days ago
[mlir] Use a container with deterministic iteration order for unrealized materializations (#191323) Iteration over unrealized materializations in DialectConversion is non-deterministic as the materialization metadata is stored in a DenseMap. Replacing with a Vector-backed `llvm::MapVector` restores deterministic behaviour. This container is iterated for example here: https://github.com/llvm/llvm-project/blob/main/mlir/lib/Transforms/Utils/DialectConversion.cpp#L3250
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