[PATCH] D22590: Improve virtual register handling when computing debug information

[Adrian Prantl via llvm-commits]

aprantl added a comment.

I'm planning to simplify DbgValueHistoryCalculator in the near future so I'll need all the test coverage I can get :-)


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Comment at: lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp:249
@@ -240,2 +248,3 @@
         auto CurElem = I++; // CurElem can be erased below.
-        if (ChangingRegs.test(CurElem->first))
+        if (TRI->isVirtualRegister(CurElem->first) ||
+            ChangingRegs.test(CurElem->first))
----------------
I can comment out this condition and the test still passes.


https://reviews.llvm.org/D22590