Changed checking for invalid register number - earlier it was uisng a contant


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1293 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SparcV9/SparcV9AsmPrinter.cpp b/lib/Target/SparcV9/SparcV9AsmPrinter.cpp
index 24efa26..618fb6d 100644
--- a/lib/Target/SparcV9/SparcV9AsmPrinter.cpp
+++ b/lib/Target/SparcV9/SparcV9AsmPrinter.cpp
@@ -227,7 +227,7 @@
         int RegNum = (int)op.getAllocatedRegNum();
         
         // ****this code is temporary till NULL Values are fixed
-        if (RegNum == 10000) {
+        if (RegNum == Target.getRegInfo().getInvalidRegNum()) {
           toAsm << "<NULL VALUE>";
         } else {
           toAsm << "%" << Target.getRegInfo().getUnifiedRegName(RegNum);