[PATCH] D51968: [deadargelim] Update dbg.value of 'unused' parameters

[Vedant Kumar via Phabricator via llvm-commits]

vsk accepted this revision.
vsk added a comment.

Thanks, LGTM as well.



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Comment at: lib/Transforms/IPO/DeadArgumentElimination.cpp:296
+    if (!Arg.hasSwiftErrorAttr() && Arg.use_empty() && !Arg.hasByValOrInAllocaAttr()) {
+      if(Arg.isUsedByMetadata()) {
+        Arg.replaceAllUsesWith(UndefValue::get(Arg.getType()));
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Nit, add a space before the '('?


https://reviews.llvm.org/D51968