[llvm-commits] [llvm] r153078 - /llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

[Craig Topper]

Author: ctopper
Date: Tue Mar 20 00:28:39 2012
New Revision: 153078

URL: http://llvm.org/viewvc/llvm-project?rev=153078&view=rev
Log:
When combining (vextract shuffle (load ), <1,u,u,u>), 0) -> (load ), add users of the final load to the worklist too. Needed by changes I'm preparing to make to X86 backend.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=153078&r1=153077&r2=153078&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Tue Mar 20 00:28:39 2012
@@ -7353,6 +7353,7 @@
     // Since we're explcitly calling ReplaceAllUses, add the new node to the
     // worklist explicitly as well.
     AddToWorkList(Load.getNode());
+    AddUsersToWorkList(Load.getNode()); // Add users too
     // Make sure to revisit this node to clean it up; it will usually be dead.
     AddToWorkList(N);
     return SDValue(N, 0);