commit b3dd82670aa60cacba81f090d292722c3ef44354
author Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Apr 05 23:43:14 2011 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Apr 05 23:43:14 2011 +0000
tree eb57d1e8b981c59fa8b8fad0b6220deb71e5f522
parent 3e22897fa9f07fc641b07d2e12101d21f84da668

Don't crash when a value is defined after the last split point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128962 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SplitKit.cpp

diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index 4b64288..a3e065d 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -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());