[llvm-commits] [llvm] r50704 - /llvm/branches/non-call-eh/lib/Analysis/CFGPrinter.cpp

[Nick Lewycky]

Author: nicholas
Date: Mon May  5 22:59:15 2008
New Revision: 50704

URL: http://llvm.org/viewvc/llvm-project?rev=50704&view=rev
Log:
Add labels for unwind edges when graphing the CFG.

Modified:
    llvm/branches/non-call-eh/lib/Analysis/CFGPrinter.cpp

Modified: llvm/branches/non-call-eh/lib/Analysis/CFGPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/non-call-eh/lib/Analysis/CFGPrinter.cpp?rev=50704&r1=50703&r2=50704&view=diff

==============================================================================
--- llvm/branches/non-call-eh/lib/Analysis/CFGPrinter.cpp (original)
+++ llvm/branches/non-call-eh/lib/Analysis/CFGPrinter.cpp Mon May  5 22:59:15 2008
@@ -80,10 +80,15 @@
 
   static std::string getEdgeSourceLabel(const BasicBlock *Node,
                                         succ_const_iterator I) {
+    // Label unwind edges "EH" for exception handling.
+    if (I.isUnwindEdge())
+      return "EH";
+
     // Label source of conditional branches with "T" or "F"
     if (const BranchInst *BI = dyn_cast<BranchInst>(Node->getTerminator()))
       if (BI->isConditional())
         return (I == succ_begin(Node)) ? "T" : "F";
+
     return "";
   }
 };