1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectOptimize.cpp b/llvm/lib/CodeGen/SelectOptimize.cpp
index 1316919..d14283c 100644
--- a/llvm/lib/CodeGen/SelectOptimize.cpp
+++ b/llvm/lib/CodeGen/SelectOptimize.cpp
@@ -491,6 +491,23 @@ void SelectOptimizeImpl::convertProfitableSIGroups(SelectGroups &ProfSIGroups) {
       DI->moveBeforePreserving(&*EndBlock->getFirstInsertionPt());
     }
 
+    // Duplicate implementation for DPValues, the non-instruction debug-info
+    // record. Helper lambda for moving DPValues to the end block.
+    auto TransferDPValues = [&](Instruction &I) {
+      for (auto &DPValue : llvm::make_early_inc_range(I.getDbgValueRange())) {
+        DPValue.removeFromParent();
+        EndBlock->insertDPValueBefore(&DPValue,
+                                      EndBlock->getFirstInsertionPt());
+      }
+    };
+
+    // Iterate over all instructions in between SI and LastSI, not including
+    // SI itself. These are all the variable assignments that happen "in the
+    // middle" of the select group.
+    auto R = make_range(std::next(SI->getIterator()),
+                        std::next(LastSI->getIterator()));
+    llvm::for_each(R, TransferDPValues);
+
     // These are the new basic blocks for the conditional branch.
     // At least one will become an actual new basic block.
     BasicBlock *TrueBlock = nullptr, *FalseBlock = nullptr;