[block-freq] Add the equivalent methods to MachineBlockFrequencyInfo and BlockFrequencyInfo that were added to BlockFrequencyImpl in r197285 and r197284.

llvm-svn: 197287
diff --git a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
index 64e8ecd..86d3094 100644
--- a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
+++ b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
@@ -168,3 +168,19 @@
 MachineFunction *MachineBlockFrequencyInfo::getFunction() const {
   return MBFI->Fn;
 }
+
+raw_ostream &
+MachineBlockFrequencyInfo::printBlockFreq(raw_ostream &OS,
+                                          const BlockFrequency Freq) const {
+  return MBFI->printBlockFreq(OS, Freq);
+}
+
+raw_ostream &
+MachineBlockFrequencyInfo::printBlockFreq(raw_ostream &OS,
+                                          const MachineBasicBlock *MBB) const {
+  return MBFI->printBlockFreq(OS, MBB);
+}
+
+uint64_t MachineBlockFrequencyInfo::getEntryFrequency() const {
+  return MBFI->getEntryFrequency();
+}