Added class MachineOptInfo as interface to target-specific
routines supporting machine code optimization.
Also added method MachineInstrInfo::getNOPOpCode().

llvm-svn: 3845
diff --git a/llvm/lib/Target/Sparc/Sparc.cpp b/llvm/lib/Target/Sparc/Sparc.cpp
index 98c0131..28b9734 100644
--- a/llvm/lib/Target/Sparc/Sparc.cpp
+++ b/llvm/lib/Target/Sparc/Sparc.cpp
@@ -108,7 +108,8 @@
     schedInfo(*this),
     regInfo(*this),
     frameInfo(*this),
-    cacheInfo(*this)
+    cacheInfo(*this),
+    optInfo(*this)
 {
   optSizeForSubWordData = 4;
   minMemOpWordSize = 8;