[llvm] r213273 - MC: collapse emission of producer

[Saleem Abdulrasool]

Author: compnerd
Date: Thu Jul 17 11:27:35 2014
New Revision: 213273

URL: http://llvm.org/viewvc/llvm-project?rev=213273&view=rev
Log:
MC: collapse emission of producer

Rather than use three EmitBytes, concatenate the string at compile time,
constructing a single StringRef and emitting the data in one shot.  This also
creates nicer assembly output.  NFC.

Modified:
    llvm/trunk/lib/MC/MCDwarf.cpp

Modified: llvm/trunk/lib/MC/MCDwarf.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCDwarf.cpp?rev=213273&r1=213272&r2=213273&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCDwarf.cpp (original)
+++ llvm/trunk/lib/MC/MCDwarf.cpp Thu Jul 17 11:27:35 2014
@@ -740,14 +740,10 @@ static void EmitGenDwarfInfo(MCStreamer
 
   // AT_producer, the version of the assembler tool.
   StringRef DwarfDebugProducer = context.getDwarfDebugProducer();
-  if (!DwarfDebugProducer.empty()){
+  if (!DwarfDebugProducer.empty())
     MCOS->EmitBytes(DwarfDebugProducer);
-  }
-  else {
-    MCOS->EmitBytes(StringRef("llvm-mc (based on LLVM "));
-    MCOS->EmitBytes(StringRef(PACKAGE_VERSION));
-    MCOS->EmitBytes(StringRef(")"));
-  }
+  else
+    MCOS->EmitBytes(StringRef("llvm-mc (based on LLVM " PACKAGE_VERSION ")"));
   MCOS->EmitIntValue(0, 1); // NULL byte to terminate the string.
 
   // AT_language, a 4 byte value.  We use DW_LANG_Mips_Assembler as the dwarf2