IA64 doesn't support the LOCATION node, and for some reason the ISelPattern
stuff isn't using ISelLowering.cpp

llvm-svn: 24567
diff --git a/llvm/lib/Target/IA64/IA64ISelPattern.cpp b/llvm/lib/Target/IA64/IA64ISelPattern.cpp
index d2351d0..b071a08 100644
--- a/llvm/lib/Target/IA64/IA64ISelPattern.cpp
+++ b/llvm/lib/Target/IA64/IA64ISelPattern.cpp
@@ -100,6 +100,9 @@
       setOperationAction(ISD::MULHS , MVT::i64  , Expand);
       setOperationAction(ISD::MULHU , MVT::i64  , Expand);
 
+      // We don't have line number support yet.
+      setOperationAction(ISD::LOCATION, MVT::Other, Expand);
+
       computeRegisterProperties();
 
       addLegalFPImmediate(+0.0);