promote extload i1 -> extload i8
[oota-llvm.git] / lib / Analysis / PostDominators.cpp
index 5f5a867a8bc32ebfe1553c3db440ea854e10dee9..4f9d1d160696f336866748311c1cdbf7642ad835 100644 (file)
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/PostDominators.h"
-#include "llvm/iTerminators.h"
+#include "llvm/Instructions.h"
 #include "llvm/Support/CFG.h"
-#include "Support/DepthFirstIterator.h"
-#include "Support/SetOperations.h"
+#include "llvm/ADT/DepthFirstIterator.h"
+#include "llvm/ADT/SetOperations.h"
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
@@ -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