Remove dead function: emitContVarEnvHelperCall().

It was never called.

Reviewed By: @ottoni

Differential Revision: D1146574

hphp/runtime/vm/jit/code-gen-x64.cpp

@@ -5854,20 +5854,6 @@ void CodeGenerator::cgContEnter(IRInstruction* inst) {
   m_as.  call   (curOpd(addr).reg());
 }
 
-void CodeGenerator::emitContVarEnvHelperCall(SSATmp* fp, TCA helper) {
-  auto scratch = m_rScratch;
-
-  m_as.  loadq (curOpd(fp).reg()[AROFF(m_varEnv)], scratch);
-  m_as.  testq (scratch, scratch);
-  unlikelyIfBlock(CC_NZ, [&] (Asm& a) {
-    cgCallHelper(a,
-                 CppCall(helper),
-                 kVoidDest,
-                 SyncOptions::kNoSyncPoint,
-                 ArgGroup(curOpds()).ssa(fp));
-  });
-}
-
 void CodeGenerator::cgContPreNext(IRInstruction* inst) {
   auto contReg = curOpd(inst->src(0)).reg();
 

hphp/runtime/vm/jit/code-gen-x64.h

@@ -315,7 +315,6 @@ private:
   RDS::Handle cgLdClsCachedCommon(IRInstruction* inst);
   void emitFwdJcc(ConditionCode cc, Block* target);
   void emitFwdJcc(Asm& a, ConditionCode cc, Block* target);
-  void emitContVarEnvHelperCall(SSATmp* fp, TCA helper);
   const Func* curFunc() const;
   Class*      curClass() const { return curFunc()->cls(); }
   const Unit* curUnit() const { return curFunc()->unit(); }