Revert "[GVN][NFC] Use early return in phiTranslateImpl() (#149268)" (#149270)

This reverts commit 1d398a9.

Author: madhur13490

llvm/lib/Transforms/Scalar/GVN.cpp

@@ -2367,15 +2367,12 @@ uint32_t GVNPass::ValueTable::phiTranslateImpl(const BasicBlock *Pred,
   // See if we can refine the value number by looking at the PN incoming value
   // for the given predecessor.
   if (PHINode *PN = NumberingPhi[Num]) {
-    if (PN->getParent() != PhiBlock)
-      return Num;
-
-    for (unsigned I = 0; I != PN->getNumIncomingValues(); ++I) {
-      if (PN->getIncomingBlock(I) != Pred)
-        continue;
-      if (uint32_t TransVal = lookup(PN->getIncomingValue(I), false))
-        return TransVal;
-    }
+    if (PN->getParent() == PhiBlock)
+      for (unsigned I = 0; I != PN->getNumIncomingValues(); ++I)
+        if (PN->getIncomingBlock(I) == Pred)
+          if (uint32_t TransVal = lookup(PN->getIncomingValue(I), false))
+            return TransVal;
+    return Num;
   }
 
   if (BasicBlock *BB = NumberingBB[Num]) {