Add support for modeling whether or not the processor has support for
conditional moves as a subtarget feature.  This is the easy part of 
PR4841.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80763 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h
index f5ca10a..2b97e59 100644
--- a/lib/Target/X86/X86Subtarget.h
+++ b/lib/Target/X86/X86Subtarget.h
@@ -55,6 +55,10 @@
   ///
   X863DNowEnum X863DNowLevel;
 
+  /// HasCMov - True if this processor has conditional move instructions
+  /// (generally pentium pro+).
+  bool HasCMov;
+  
   /// HasX86_64 - True if the processor supports X86-64 instructions.
   ///
   bool HasX86_64;