[PATCH] D96423: [DebugInfo] Only perform TypeSize -> unsigned cast when necessary

[Joe Ellis via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG67464dfe366b: [DebugInfo] Only perform TypeSize -> unsigned cast when necessary (authored by joechrisellis).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96423/new/

https://reviews.llvm.org/D96423

Files:
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -1321,10 +1321,11 @@
         if (auto Fragment = Expr->getFragmentInfo())
           BitsToDescribe = Fragment->SizeInBits;
         for (auto RegAndSize : RFV.getRegsAndSizes()) {
-          unsigned RegisterSize = RegAndSize.second;
           // Bail out if all bits are described already.
           if (Offset >= BitsToDescribe)
             break;
+          // TODO: handle scalable vectors.
+          unsigned RegisterSize = RegAndSize.second;
           unsigned FragmentSize = (Offset + RegisterSize > BitsToDescribe)
               ? BitsToDescribe - Offset
               : RegisterSize;


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