[llvm-commits] [llvm] r110183 - in /llvm/trunk/lib: CodeGen/SelectionDAG/SelectionDAGPrinter.cpp System/Unix/Path.inc VMCore/Module.cpp

[Dan Gohman]

Author: djg
Date: Tue Aug  3 20:39:08 2010
New Revision: 110183

URL: http://llvm.org/viewvc/llvm-project?rev=110183&view=rev
Log:
Eliminate unnecessary empty string literals.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
    llvm/trunk/lib/System/Unix/Path.inc
    llvm/trunk/lib/VMCore/Module.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp?rev=110183&r1=110182&r2=110183&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp Tue Aug  3 20:39:08 2010
@@ -199,7 +199,7 @@
 #else
   errs() << "SelectionDAG::getGraphAttrs is only available in debug builds"
          << " on systems with Graphviz or gv!\n";
-  return std::string("");
+  return std::string();
 #endif
 }
 

Modified: llvm/trunk/lib/System/Unix/Path.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/System/Unix/Path.inc?rev=110183&r1=110182&r2=110183&view=diff
==============================================================================
--- llvm/trunk/lib/System/Unix/Path.inc (original)
+++ llvm/trunk/lib/System/Unix/Path.inc Tue Aug  3 20:39:08 2010
@@ -276,7 +276,7 @@
   char pathname[MAXPATHLEN];
   if (!getcwd(pathname,MAXPATHLEN)) {
     assert (false && "Could not query current working directory.");
-    return Path("");
+    return Path();
   }
 
   return Path(pathname);
@@ -408,7 +408,7 @@
 
   std::string::size_type dot = path.rfind('.');
   if (dot == std::string::npos || dot < slash)
-    return StringRef("");
+    return StringRef();
   else
     return StringRef(path).substr(dot + 1);
 }

Modified: llvm/trunk/lib/VMCore/Module.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Module.cpp?rev=110183&r1=110182&r2=110183&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/Module.cpp (original)
+++ llvm/trunk/lib/VMCore/Module.cpp Tue Aug  3 20:39:08 2010
@@ -58,7 +58,7 @@
 //
 
 Module::Module(StringRef MID, LLVMContext& C)
-  : Context(C), Materializer(NULL), ModuleID(MID), DataLayout("")  {
+  : Context(C), Materializer(NULL), ModuleID(MID) {
   ValSymTab = new ValueSymbolTable();
   TypeSymTab = new TypeSymbolTable();
   NamedMDSymTab = new StringMap<NamedMDNode *>();