[llvm-commits] [llvm] r135788 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Dan Gohman]

Author: djg
Date: Fri Jul 22 13:45:15 2011
New Revision: 135788

URL: http://llvm.org/viewvc/llvm-project?rev=135788&view=rev
Log:
Fix x86's XALUO lowering to return its replacement values instead
of doing the RAUW calls for the overflow value itself. This makes
it more consistent with how the rest of LegalizeDAG works.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=135788&r1=135787&r2=135788&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri Jul 22 13:45:15 2011
@@ -9124,8 +9124,7 @@
                   DAG.getConstant(X86::COND_O, MVT::i32),
                   SDValue(Sum.getNode(), 2));
 
-    DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), SetCC);
-    return Sum;
+    return DAG.getNode(ISD::MERGE_VALUES, DL, N->getVTList(), Sum, SetCC);
   }
   }
 
@@ -9138,8 +9137,7 @@
                 DAG.getConstant(Cond, MVT::i32),
                 SDValue(Sum.getNode(), 1));
 
-  DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), SetCC);
-  return Sum;
+  return DAG.getNode(ISD::MERGE_VALUES, DL, N->getVTList(), Sum, SetCC);
 }
 
 SDValue X86TargetLowering::LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const{