Added special consideration for instrumentation strategy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7208 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/Target/SparcV9/SparcV9RegClassInfo.h b/lib/Target/SparcV9/SparcV9RegClassInfo.h
index 50cccb6..38b81b3 100644
--- a/lib/Target/SparcV9/SparcV9RegClassInfo.h
+++ b/lib/Target/SparcV9/SparcV9RegClassInfo.h
@@ -25,6 +25,10 @@ struct SparcIntRegClass : public TargetRegClassInfo {
     return (Reg < (int)StartOfNonVolatileRegs); 
   }
 
+  inline bool modifiedByCall(int Reg) const {
+    return Reg==(int)ModifiedByCall;
+  }
+
   enum {   // colors possible for a LR (in preferred order)
      // --- following colors are volatile across function calls
      // %g0 can't be used for coloring - always 0
@@ -61,6 +65,8 @@ struct SparcIntRegClass : public TargetRegClassInfo {
 
      StartOfNonVolatileRegs = l0,
      StartOfAllRegs = o0,
+     
+     ModifiedByCall = o7,
   };
 
   const char * const getRegName(unsigned reg) const;