[PATCH] D70752: LowerDbgDeclare: look through bitcasts.

[Vedant Kumar via Phabricator via llvm-commits]

vsk added inline comments.


================
Comment at: llvm/lib/Transforms/Utils/Local.cpp:1425
+    SmallVector<const Value *, 8> WorkList;
+    WorkList.push_back(AI);
+    while (!WorkList.empty()) {
----------------
aprantl wrote:
> I think the worklist is overkill here, since it will contain at most one element. How about turning the loop body into a helper function/lambda and calling it recursively?
I think the worklist would contain more than one element in this case:
```
%a = alloca
%c1 = bitcast %a to ...
call void @use(%c1)
%c2 = bitcast %a to ...
call void @use(%c2)
```
That is probably worth a test, though.


Repository:
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  https://reviews.llvm.org/D70752/new/

https://reviews.llvm.org/D70752