Subzero: Fix -enable-block-profile.

src/IceCfg.cpp

 //===- subzero/src/IceCfg.cpp - Control flow graph implementation ---------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 166 matching lines @@
       getContext()->resetTimer(GlobalContext::TSK_Default);
       getContext()->setTimerName(GlobalContext::TSK_Default, Name);
     }
     if (getContext()->getFlags().getTimeEachFunction())
       FunctionTimer.reset(new TimerMarker(
           getContext()->getTimerID(GlobalContext::TSK_Funcs, Name),
           getContext(), GlobalContext::TSK_Funcs));
   }
   TimerMarker T(TimerStack::TT_translate, this);
 
-  // Create the Hi and Lo variables where a split was needed
-  for (Variable *Var : Variables)
-    if (auto Var64On32 = llvm::dyn_cast<Variable64On32>(Var))
-      Var64On32->initHiLo(this);
-
   dump("Initial CFG");
 
   if (getContext()->getFlags().getEnableBlockProfile()) {
     profileBlocks();
     // TODO(jpp): this is fragile, at best. Figure out a better way of
     // detecting exit functions.
     if (GlobalContext::matchSymbolName(getFunctionName(), "exit")) {
       addCallToProfileSummary();
     }
     dump("Profiled CFG");
   }
 
+  // Create the Hi and Lo variables where a split was needed
+  for (Variable *Var : Variables)
+    if (auto Var64On32 = llvm::dyn_cast<Variable64On32>(Var))
+      Var64On32->initHiLo(this);
+
   // The set of translation passes and their order are determined by the
   // target.
   getTarget()->translate();
 
   dump("Final output");
   if (getFocusedTiming())
     getContext()->dumpTimers();
 }
 
 void Cfg::computeInOutEdges() {
@@ skipping 573 matching lines @@
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
     Node->dump(this);
   if (isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice