[llvm-commits] [llvm] r126786 - /llvm/trunk/include/llvm/Support/GraphWriter.h

[Dan Gohman]

Author: djg
Date: Tue Mar  1 16:07:55 2011
New Revision: 126786

URL: http://llvm.org/viewvc/llvm-project?rev=126786&view=rev
Log:
Code simplification.

Modified:
    llvm/trunk/include/llvm/Support/GraphWriter.h

Modified: llvm/trunk/include/llvm/Support/GraphWriter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/GraphWriter.h?rev=126786&r1=126785&r2=126786&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/GraphWriter.h (original)
+++ llvm/trunk/include/llvm/Support/GraphWriter.h Tue Mar  1 16:07:55 2011
@@ -70,7 +70,7 @@
     for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) {
       std::string label = DTraits.getEdgeSourceLabel(Node, EI);
 
-      if (label == "")
+      if (label.empty())
         continue;
 
       hasEdgeSourceLabels = true;
@@ -78,7 +78,7 @@
       if (i)
         O << "|";
 
-      O << "<s" << i << ">" << DTraits.getEdgeSourceLabel(Node, EI);
+      O << "<s" << i << ">" << label;
     }
 
     if (EI != EE && hasEdgeSourceLabels)
@@ -235,7 +235,7 @@
         DestPort = static_cast<int>(Offset);
       }
 
-      if (DTraits.getEdgeSourceLabel(Node, EI) == "")
+      if (DTraits.getEdgeSourceLabel(Node, EI).empty())
         edgeidx = -1;
 
       emitEdge(static_cast<const void*>(Node), edgeidx,