New temporary option -new-cc-modeling-scheme to test the new cc modeling scheme.

llvm-svn: 42283

llvm/include/llvm/Target/TargetOptions.h

@@ -73,6 +73,10 @@ namespace llvm {
   /// ExceptionHandling - This flag indicates that exception information should
   /// be emitted.
   extern bool ExceptionHandling;
+
+  /// NewCCModeling - This temporary flag indicates whether to use the new
+  /// condition code modeling scheme.
+  extern bool NewCCModeling;
   
 } // End llvm namespace
 

llvm/lib/Target/TargetMachine.cpp

@@ -31,6 +31,7 @@ namespace llvm {
   bool UseSoftFloat;
   bool NoZerosInBSS;
   bool ExceptionHandling;
+  bool NewCCModeling;
   Reloc::Model RelocationModel;
   CodeModel::Model CMModel;
 }
@@ -116,6 +117,11 @@ namespace {
       clEnumValN(CodeModel::Large, "large",
                  "  Large code model"),
       clEnumValEnd));
+  cl::opt<bool, true>
+  EnableNewCCModeling("new-cc-modeling-scheme",
+                      cl::desc("New CC modeling scheme."),
+                      cl::location(NewCCModeling),
+                      cl::init(false));
 }
 
 //---------------------------------------------------------------------------