promote extload i1 -> extload i8

[oota-llvm.git] / lib / Analysis / PostDominators.cpp

diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index e5908c496b4c95b2e8c43defb525d48a57161102..4f9d1d160696f336866748311c1cdbf7642ad835 100644 (file)
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -40,8 +40,7 @@ bool PostDominatorSet::runOnFunction(Function &F) {
   for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
     Doms[I];  // Initialize to empty
 
-    if (isa<ReturnInst>(I->getTerminator()) ||
-        isa<UnwindInst>(I->getTerminator()))
+    if (succ_begin(I) == succ_end(I))
       Roots.push_back(I);
   }
 
@@ -182,9 +181,8 @@ void PostDominatorTree::calculate(const PostDominatorSet &DS) {
       // be a predecessor in the depth first order that we are iterating through
       // the function.
       //
-      DominatorSet::DomSetType::const_iterator I = Dominators.begin();
-      DominatorSet::DomSetType::const_iterator End = Dominators.end();
-      for (; I != End; ++I) {   // Iterate over dominators...
+      for (DominatorSet::DomSetType::const_iterator I = Dominators.begin(),
+           E = Dominators.end(); I != E; ++I) {  // Iterate over dominators.
         // All of our dominators should form a chain, where the number
         // of elements in the dominator set indicates what level the
         // node is at in the chain.  We want the node immediately