Update SetVector to rely on the underlying set's insert to return a pair<iterator...

[oota-llvm.git] / include / llvm / Support / GenericDomTreeConstruction.h

diff --git a/include/llvm/Support/GenericDomTreeConstruction.h b/include/llvm/Support/GenericDomTreeConstruction.h
index f6bb8f47eb65c743acd07833307b89ae666463c1..ad4f8a9f429a7c9ce6f764c23abd5d8ec5ad55e9 100644 (file)
--- a/include/llvm/Support/GenericDomTreeConstruction.h
+++ b/include/llvm/Support/GenericDomTreeConstruction.h
@@ -22,8 +22,8 @@
 //===----------------------------------------------------------------------===//
 
 
-#ifndef LLVM_SUPPORT_GENERIC_DOM_TREE_CONSTRUCTION_H
-#define LLVM_SUPPORT_GENERIC_DOM_TREE_CONSTRUCTION_H
+#ifndef LLVM_SUPPORT_GENERICDOMTREECONSTRUCTION_H
+#define LLVM_SUPPORT_GENERICDOMTREECONSTRUCTION_H
 
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/GenericDomTree.h"
@@ -125,7 +125,7 @@ Eval(DominatorTreeBase<typename GraphT::NodeType>& DT,
     typename GraphT::NodeType* VAncestor = DT.Vertex[VInfo.Parent];
 
     // Process Ancestor first
-    if (Visited.insert(VAncestor) && VInfo.Parent >= LastLinked) {
+    if (Visited.insert(VAncestor).second && VInfo.Parent >= LastLinked) {
       Work.push_back(VAncestor);
       continue;
     } 
@@ -156,11 +156,11 @@ void Calculate(DominatorTreeBase<typename GraphTraits<NodeT>::NodeType>& DT,
   bool MultipleRoots = (DT.Roots.size() > 1);
   if (MultipleRoots) {
     typename DominatorTreeBase<typename GraphT::NodeType>::InfoRec &BBInfo =
-        DT.Info[NULL];
+        DT.Info[nullptr];
     BBInfo.DFSNum = BBInfo.Semi = ++N;
-    BBInfo.Label = NULL;
+    BBInfo.Label = nullptr;
 
-    DT.Vertex.push_back(NULL);       // Vertex[n] = V;
+    DT.Vertex.push_back(nullptr);       // Vertex[n] = V;
   }
 
   // Step #1: Number blocks in depth-first order and initialize variables used
@@ -249,10 +249,10 @@ void Calculate(DominatorTreeBase<typename GraphTraits<NodeT>::NodeType>& DT,
   // one exit block, or it may be the virtual exit (denoted by (BasicBlock *)0)
   // which postdominates all real exits if there are multiple exit blocks, or
   // an infinite loop.
-  typename GraphT::NodeType* Root = !MultipleRoots ? DT.Roots[0] : 0;
+  typename GraphT::NodeType* Root = !MultipleRoots ? DT.Roots[0] : nullptr;
 
   DT.DomTreeNodes[Root] = DT.RootNode =
-                        new DomTreeNodeBase<typename GraphT::NodeType>(Root, 0);
+                  new DomTreeNodeBase<typename GraphT::NodeType>(Root, nullptr);
 
   // Loop over all of the reachable blocks in the function...
   for (unsigned i = 2; i <= N; ++i) {
@@ -263,7 +263,7 @@ void Calculate(DominatorTreeBase<typename GraphTraits<NodeT>::NodeType>& DT,
 
     typename GraphT::NodeType* ImmDom = DT.getIDom(W);
 
-    assert(ImmDom || DT.DomTreeNodes[NULL]);
+    assert(ImmDom || DT.DomTreeNodes[nullptr]);
 
     // Get or calculate the node for the immediate dominator
     DomTreeNodeBase<typename GraphT::NodeType> *IDomNode =