mass elimination of reliance on automatic iterator dereferencing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109103 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/StructRetPromotion.cpp b/lib/Transforms/IPO/StructRetPromotion.cpp
index 6857ef5..e16dcd4 100644
--- a/lib/Transforms/IPO/StructRetPromotion.cpp
+++ b/lib/Transforms/IPO/StructRetPromotion.cpp
@@ -187,7 +187,7 @@
           return false;
         for (Value::use_iterator GEPI = GEP->use_begin(), GEPE = GEP->use_end();
              GEPI != GEPE; ++GEPI) 
-          if (!isa<LoadInst>(GEPI))
+          if (!isa<LoadInst>(*GEPI))
             return false;
       } 
       // Any other FirstArg users make this function unsuitable for sret 
diff --git a/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp b/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
index 8933a0b..5001896 100644
--- a/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
+++ b/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
@@ -369,7 +369,7 @@
     if (DbgDeclareInst *DI = dyn_cast<DbgDeclareInst>(U))
       return DI;
     if (isa<BitCastInst>(U) && U->hasOneUse()) {
-      if (DbgDeclareInst *DI = dyn_cast<DbgDeclareInst>(U->use_begin()))
+      if (DbgDeclareInst *DI = dyn_cast<DbgDeclareInst>(*U->use_begin()))
         return DI;
       }
   }
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index d7e1115..646aec3 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -734,7 +734,7 @@
 
   for (Instruction::use_iterator UI = p->use_begin(), E = p->use_end();
        UI != E; ++UI)
-    if (PHINode* use_phi = dyn_cast<PHINode>(UI))
+    if (PHINode* use_phi = dyn_cast<PHINode>(*UI))
       if (use_phi->getParent() == inst->getParent())
         return false;
 
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index b8fd084..13c6a97 100644
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -862,9 +862,9 @@
   // Check Incr uses. One user is PN and the other user is an exit condition
   // used by the conditional terminator.
   Value::use_iterator IncrUse = Incr->use_begin();
-  Instruction *U1 = cast<Instruction>(IncrUse++);
+  Instruction *U1 = cast<Instruction>(*IncrUse++);
   if (IncrUse == Incr->use_end()) return;
-  Instruction *U2 = cast<Instruction>(IncrUse++);
+  Instruction *U2 = cast<Instruction>(*IncrUse++);
   if (IncrUse != Incr->use_end()) return;
 
   // Find exit condition, which is an fcmp.  If it doesn't exist, or if it isn't
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index c3a3870..2a52c99 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -1183,7 +1183,7 @@
     bool usedOutsideBB = false;
     for (Value::use_iterator UI = I->use_begin(), UE = I->use_end(); 
          UI != UE; ++UI) {
-      Instruction *U = cast<Instruction>(UI);
+      Instruction *U = cast<Instruction>(*UI);
       if (U->getParent() != BB)
         usedOutsideBB = true;
     }
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index b477058..bec6a66 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -532,7 +532,7 @@
                                    StrLen, B, TD);
       for (Value::use_iterator UI = CI->use_begin(), UE = CI->use_end();
            UI != UE; ) {
-        ICmpInst *Old = cast<ICmpInst>(UI++);
+        ICmpInst *Old = cast<ICmpInst>(*UI++);
         Value *Cmp = B.CreateICmp(Old->getPredicate(), StrNCmp,
                                   ConstantInt::getNullValue(StrNCmp->getType()),
                                   "cmp");
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp
index 26f53c0..baa114b 100644
--- a/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -225,7 +225,7 @@
       for (Value::use_iterator UI = TIBB->use_begin(), E = TIBB->use_end();
            UI != E; ) {
         Value::use_iterator Use = UI++;
-        if (PHINode *PN = dyn_cast<PHINode>(Use)) {
+        if (PHINode *PN = dyn_cast<PHINode>(*Use)) {
           // Remove one entry from each PHI.
           if (PN->getParent() == DestBB && UpdatedPHIs.insert(PN))
             PN->setOperand(Use.getOperandNo(), NewBB);
diff --git a/lib/Transforms/Utils/SSI.cpp b/lib/Transforms/Utils/SSI.cpp
index d54a0e5..62a93e4 100644
--- a/lib/Transforms/Utils/SSI.cpp
+++ b/lib/Transforms/Utils/SSI.cpp
@@ -80,12 +80,12 @@
     for (Value::use_iterator begin = (*I)->use_begin(),
          end = (*I)->use_end(); begin != end; ++begin) {
       // Test if the Use of the Value is in a comparator
-      if (CmpInst *CI = dyn_cast<CmpInst>(begin)) {
+      if (CmpInst *CI = dyn_cast<CmpInst>(*begin)) {
         // Iterates through all uses of CmpInst
         for (Value::use_iterator begin_ci = CI->use_begin(),
              end_ci = CI->use_end(); begin_ci != end_ci; ++begin_ci) {
           // Test if any use of CmpInst is in a Terminator
-          if (TerminatorInst *TI = dyn_cast<TerminatorInst>(begin_ci)) {
+          if (TerminatorInst *TI = dyn_cast<TerminatorInst>(*begin_ci)) {
             insertSigma(TI, *I);
           }
         }