================
@@ -975,7 +811,27 @@ void RemoveDeadValues::runOnOperation() {
}
});
- cleanUpDeadVals(finalCleanupList);
+ MLIRContext *context = module->getContext();
+ cleanUpDeadVals(context, finalCleanupList);
----------------
rengolin wrote:
> One way to think about this: in case of `RegionBranchOpInterface` ops, we
> don't erase any values anymore. Instead, we just augment the IR with liveness
> information (by swapping operands with `ub.poison`). This simplifies the IR
> good enough for the canonicalization patterns to (incrementally) perform the
> cleanup.
Ack. Clearer. Thanks!
https://github.com/llvm/llvm-project/pull/173505
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