Revert "[Sparc] Leon errata fix passes."
...and the two followup commits:
Revert "[Sparc][Leon] Missed resetting option flags from check-in 278489."
Revert "[Sparc][Leon] Errata fixes for various errata in different
versions of the Leon variants of the Sparc 32 bit processor."

This reverts commit r274856, r278489, and r278492.

llvm-svn: 278511
diff --git a/llvm/lib/Target/Sparc/SparcSubtarget.cpp b/llvm/lib/Target/Sparc/SparcSubtarget.cpp
index f38c578..97d4aef 100644
--- a/llvm/lib/Target/Sparc/SparcSubtarget.cpp
+++ b/llvm/lib/Target/Sparc/SparcSubtarget.cpp
@@ -39,19 +39,10 @@
   // Leon features
   HasLeonCasa = false;
   HasUmacSmac = false;
-  PerformSDIVReplace = false;
-  FixCallImmediates = false;
-  IgnoreZeroFlag = false;
-  InsertNOPDoublePrecision = false;
+  InsertNOPLoad = false;
   FixFSMULD = false;
   ReplaceFMULS = false;
-  PreventRoundChange = false;
   FixAllFDIVSQRT = false;
-  InsertNOPLoad = false;
-  InsertNOPsLoadStore = false;
-  FillDataCache = false;
-  RestoreExecAddress = false;
-
 
   // Determine default and user specified characteristics
   std::string CPUName = CPU;