[llvm-commits] [llvm] r44304 - /llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

[Chris Lattner]

Author: lattner
Date: Sat Nov 24 13:12:15 2007
New Revision: 44304

URL: http://llvm.org/viewvc/llvm-project?rev=44304&view=rev
Log:
Implement expand support for MERGE_VALUEs that only produces one result.

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

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=44304&r1=44303&r2=44304&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Sat Nov 24 13:12:15 2007
@@ -5401,6 +5401,10 @@
     break;
       
   case ISD::MERGE_VALUES:
+    if (Node->getNumValues() == 1) {
+      ExpandOp(Op.getOperand(0), Lo, Hi);
+      break;
+    }
     // FIXME: For now only expand i64,chain = MERGE_VALUES (x, y)
     assert(Op.ResNo == 0 && Node->getNumValues() == 2 &&
            Op.getValue(1).getValueType() == MVT::Other &&