[Analysis] Use range-based for loops (NFC)

Author: kazutakahirata

llvm/lib/Analysis/MemoryDependenceAnalysis.cpp

@@ -1292,16 +1292,16 @@ bool MemoryDependenceResults::getNonLocalPointerDepFromBB(
         if (InsertRes.first->second != Pointer.getAddr()) {
           // Make sure to clean up the Visited map before continuing on to
           // PredTranslationFailure.
-          for (unsigned i = 0; i < NewBlocks.size(); i++)
-            Visited.erase(NewBlocks[i]);
+          for (auto *NewBlock : NewBlocks)
+            Visited.erase(NewBlock);
           goto PredTranslationFailure;
         }
       }
       if (NewBlocks.size() > WorklistEntries) {
         // Make sure to clean up the Visited map before continuing on to
         // PredTranslationFailure.
-        for (unsigned i = 0; i < NewBlocks.size(); i++)
-          Visited.erase(NewBlocks[i]);
+        for (auto *NewBlock : NewBlocks)
+          Visited.erase(NewBlock);
         GotWorklistLimit = true;
         goto PredTranslationFailure;
       }
@@ -1359,8 +1359,8 @@ bool MemoryDependenceResults::getNonLocalPointerDepFromBB(
 
         // Make sure to clean up the Visited map before continuing on to
         // PredTranslationFailure.
-        for (unsigned i = 0, n = PredList.size(); i < n; ++i)
-          Visited.erase(PredList[i].first);
+        for (const auto &Pred : PredList)
+          Visited.erase(Pred.first);
 
         goto PredTranslationFailure;
       }
@@ -1371,9 +1371,9 @@ bool MemoryDependenceResults::getNonLocalPointerDepFromBB(
     // any results for.  (getNonLocalPointerDepFromBB will modify our
     // datastructures in ways the code after the PredTranslationFailure label
     // doesn't expect.)
-    for (unsigned i = 0, n = PredList.size(); i < n; ++i) {
-      BasicBlock *Pred = PredList[i].first;
-      PHITransAddr &PredPointer = PredList[i].second;
+    for (auto &I : PredList) {
+      BasicBlock *Pred = I.first;
+      PHITransAddr &PredPointer = I.second;
       Value *PredPtrVal = PredPointer.getAddr();
 
       bool CanTranslate = true;