Don't call getValueType() on a null SDValue

llvm-svn: 90415
2009-12-03 05:15:35 +00:00 · 2009-12-03 05:15:35 +00:00 · 32042f9475
parent 6048e7fdc0
commit 32042f9475
1 changed files with 2 additions and 1 deletions
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@ -546,7 +546,8 @@ SDValue DAGCombiner::CombineTo(SDNode *N, const SDValue *To, unsigned NumTo,
        To[0].getNode()->dump(&DAG);
        errs() << " and " << NumTo-1 << " other values\n";
        for (unsigned i = 0, e = NumTo; i != e; ++i)
-          assert(N->getValueType(i) == To[i].getValueType() &&
+          assert((!To[i].getNode() ||
+                  N->getValueType(i) == To[i].getValueType()) &&
                 "Cannot combine value to value of different type!"));
  WorkListRemover DeadNodes(*this);
  DAG.ReplaceAllUsesWith(N, To, &DeadNodes);