[llvm-commits] [llvm] r128962 - /llvm/trunk/lib/CodeGen/SplitKit.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Tue Apr  5 18:43:14 2011
New Revision: 128962

URL: http://llvm.org/viewvc/llvm-project?rev=128962&view=rev
Log:
Don't crash when a value is defined after the last split point.

Modified:
    llvm/trunk/lib/CodeGen/SplitKit.cpp

Modified: llvm/trunk/lib/CodeGen/SplitKit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SplitKit.cpp?rev=128962&r1=128961&r2=128962&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SplitKit.cpp (original)
+++ llvm/trunk/lib/CodeGen/SplitKit.cpp Tue Apr  5 18:43:14 2011
@@ -673,7 +673,8 @@
          "Range cannot span basic blocks");
 
   // The complement interval will be extended as needed by extendRange().
-  markComplexMapped(0, ParentVNI);
+  if (ParentVNI)
+    markComplexMapped(0, ParentVNI);
   DEBUG(dbgs() << "    overlapIntv [" << Start << ';' << End << "):");
   RegAssign.insert(Start, End, OpenIdx);
   DEBUG(dump());