diff --git a/llvm/lib/CodeGen/MachineSSAUpdater.cpp b/llvm/lib/CodeGen/MachineSSAUpdater.cpp
index f58b0f77897d6..48076663ddf53 100644
--- a/llvm/lib/CodeGen/MachineSSAUpdater.cpp
+++ b/llvm/lib/CodeGen/MachineSSAUpdater.cpp
@@ -152,14 +152,6 @@ Register MachineSSAUpdater::GetValueInMiddleOfBlock(MachineBasicBlock *BB,
   if (!HasValueForBlock(BB))
     return GetValueAtEndOfBlockInternal(BB, ExistingValueOnly);
 
-  // Ok, we have already got a value for this block. If it is out of our block
-  // or it is a phi - we can re-use it as it will be defined in the middle of
-  // block as well.
-  Register defR = getAvailableVals(AV).lookup(BB);
-  if (auto I = MRI->getVRegDef(defR))
-    if (I->isPHI() || I->getParent() != BB)
-      return defR;
-
   // If there are no predecessors, just return undef.
   if (BB->pred_empty()) {
     // If we cannot insert new instructions, just return $noreg.
diff --git a/llvm/lib/Transforms/Utils/SSAUpdater.cpp b/llvm/lib/Transforms/Utils/SSAUpdater.cpp
index 69c93b304260d..37019e3bf95be 100644
--- a/llvm/lib/Transforms/Utils/SSAUpdater.cpp
+++ b/llvm/lib/Transforms/Utils/SSAUpdater.cpp
@@ -100,14 +100,6 @@ Value *SSAUpdater::GetValueInMiddleOfBlock(BasicBlock *BB) {
   if (!HasValueForBlock(BB))
     return GetValueAtEndOfBlock(BB);
 
-  // Ok, we have already got a value for this block. If it is out of our block
-  // or it is a phi - we can re-use it as it will be defined in the middle of
-  // block as well.
-  Value *defV = FindValueForBlock(BB);
-  if (auto I = dyn_cast<Instruction>(defV))
-    if (isa<PHINode>(I) || I->getParent() != BB)
-      return defV;
-
   // Otherwise, we have the hard case.  Get the live-in values for each
   // predecessor.
   SmallVector<std::pair<BasicBlock *, Value *>, 8> PredValues;