Add X86 Maximal Stack Alignment Calculator Pass before RA


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50166 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 7a807b1..294478c 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -61,7 +61,8 @@
   static unsigned getJITMatchQuality();
   
   // Set up the pass pipeline.
-  virtual bool addInstSelector(PassManagerBase &PM, bool Fast);  
+  virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
+  virtual bool addPreRegAlloc(PassManagerBase &PM, bool Fast);
   virtual bool addPostRegAlloc(PassManagerBase &PM, bool Fast);
   virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
                                   std::ostream &Out);