X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FBlockFrequencyInfo.cpp;h=90b7a339a0fe2d13b37ed0420c74565fe72ac63c;hb=51d40aea3b6e74dea4b3c6680f00921441a30522;hp=46095ffd1d072a0ed2267fc432c2a175616f3410;hpb=8770f7af5f46c0d34a79cf0beeeef80b1a2ab690;p=oota-llvm.git

diff --git a/lib/Analysis/BlockFrequencyInfo.cpp b/lib/Analysis/BlockFrequencyInfo.cpp
index 46095ffd1d0..90b7a339a0f 100644
--- a/lib/Analysis/BlockFrequencyInfo.cpp
+++ b/lib/Analysis/BlockFrequencyInfo.cpp
@@ -55,7 +55,7 @@ struct GraphTraits<BlockFrequencyInfo *> {
   typedef Function::const_iterator nodes_iterator;
 
   static inline const NodeType *getEntryNode(const BlockFrequencyInfo *G) {
-    return G->getFunction()->begin();
+    return &G->getFunction()->front();
   }
   static ChildIteratorType child_begin(const NodeType *N) {
     return succ_begin(N);
@@ -105,6 +105,14 @@ struct DOTGraphTraits<BlockFrequencyInfo*> : public DefaultDOTGraphTraits {
 } // end namespace llvm
 #endif
 
+BlockFrequencyInfo::BlockFrequencyInfo() {}
+
+BlockFrequencyInfo::BlockFrequencyInfo(const Function &F,
+                                       const BranchProbabilityInfo &BPI,
+                                       const LoopInfo &LI) {
+  calculate(F, BPI, LI);
+}
+
 void BlockFrequencyInfo::calculate(const Function &F,
                                    const BranchProbabilityInfo &BPI,
                                    const LoopInfo &LI) {
@@ -121,6 +129,12 @@ BlockFrequency BlockFrequencyInfo::getBlockFreq(const BasicBlock *BB) const {
   return BFI ? BFI->getBlockFreq(BB) : 0;
 }
 
+void BlockFrequencyInfo::setBlockFreq(const BasicBlock *BB,
+                                      uint64_t Freq) {
+  assert(BFI && "Expected analysis to be available");
+  BFI->setBlockFreq(BB, Freq);
+}
+
 /// Pop up a ghostview window with the current block frequency propagation
 /// rendered using dot.
 void BlockFrequencyInfo::view() const {