ATT asm printer just print register AsmName's instead of calling tolower on each charater of Name. This speeds it up by 10%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53208 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ATTAsmPrinter.cpp b/lib/Target/X86/X86ATTAsmPrinter.cpp
index aaf7d7f..6e83cbc 100644
--- a/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -328,8 +328,7 @@
                     ((strcmp(Modifier+6,"16") == 0) ? MVT::i16 : MVT::i8));
       Reg = getX86SubSuperRegister(Reg, VT);
     }
-    for (const char *Name = TRI->getAsmName(Reg); *Name; ++Name)
-      O << (char)tolower(*Name);
+    O << TRI->getAsmName(Reg);
     return;
   }
 
@@ -680,9 +679,7 @@
     break;
   }
 
-  O << '%';
-  for (const char *Name = TRI->getAsmName(Reg); *Name; ++Name)
-    O << (char)tolower(*Name);
+  O << '%'<< TRI->getAsmName(Reg);
   return false;
 }