Rangify for loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283074 91177308-0d34-0410-b5e6-96231b3b80d8

lib/IR/LegacyPassManager.cpp

@@ -534,12 +534,11 @@ PMTopLevelManager::setLastUser(ArrayRef<Pass*> AnalysisPasses, Pass *P) {
 
     // If AP is the last user of other passes then make P last user of
     // such passes.
-    for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(),
-           LUE = LastUser.end(); LUI != LUE; ++LUI) {
-      if (LUI->second == AP)
+    for (auto LU : LastUser) {
+      if (LU.second == AP)
         // DenseMap iterator is not invalidated here because
         // this is just updating existing entries.
-        LastUser[LUI->first] = P;
+        LastUser[LU.first] = P;
     }
   }
 }
@@ -789,10 +788,9 @@ void PMTopLevelManager::initializeAllAnalysisInfo() {
   for (PMDataManager *IPM : IndirectPassManagers)
     IPM->initializeAnalysisInfo();
 
-  for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(),
-        DME = LastUser.end(); DMI != DME; ++DMI) {
-    SmallPtrSet<Pass *, 8> &L = InversedLastUser[DMI->second];
-    L.insert(DMI->first);
+  for (auto LU : LastUser) {
+    SmallPtrSet<Pass *, 8> &L = InversedLastUser[LU.second];
+    L.insert(LU.first);
   }
 }
 
@@ -833,9 +831,7 @@ bool PMDataManager::preserveHigherLevelAnalysis(Pass *P) {
     return true;
 
   const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet();
-  for (SmallVectorImpl<Pass *>::iterator I = HigherLevelAnalysis.begin(),
-         E = HigherLevelAnalysis.end(); I  != E; ++I) {
-    Pass *P1 = *I;
+  for (Pass *P1 : HigherLevelAnalysis) {
     if (P1->getAsImmutablePass() == nullptr &&
         !is_contained(PreservedSet, P1->getPassID()))
       return false;
@@ -854,9 +850,7 @@ void PMDataManager::verifyPreservedAnalysis(Pass *P) {
   const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet();
 
   // Verify preserved analysis
-  for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(),
-         E = PreservedSet.end(); I != E; ++I) {
-    AnalysisID AID = *I;
+  for (AnalysisID AID : PreservedSet) {
     if (Pass *AP = findAnalysisPass(AID, true)) {
       TimeRegion PassTimer(getPassTimer(AP));
       AP->verifyAnalysis();
@@ -929,9 +923,8 @@ void PMDataManager::removeDeadPasses(Pass *P, StringRef Msg,
     dbgs() << " Free these instances\n";
   }
 
-  for (SmallVectorImpl<Pass *>::iterator I = DeadPasses.begin(),
-         E = DeadPasses.end(); I != E; ++I)
-    freePass(*I, Msg, DBG_STR);
+  for (Pass *P : DeadPasses)
+    freePass(P, Msg, DBG_STR);
 }
 
 void PMDataManager::freePass(Pass *P, StringRef Msg,