[llvm-commits] [llvm] r42627 - /llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp

[Evan Cheng]

Author: evancheng
Date: Thu Oct  4 20:42:35 2007
New Revision: 42627

URL: http://llvm.org/viewvc/llvm-project?rev=42627&view=rev
Log:
Chain producing nodes cannot be moved, not chain reading nodes.

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

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp?rev=42627&r1=42626&r2=42627&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp Thu Oct  4 20:42:35 2007
@@ -397,17 +397,19 @@
     return NULL;
 
   SUnit *NewSU;
-  for (unsigned i = 0, e = N->getNumValues(); i != e; ++i)
-    if (N->getValueType(i) == MVT::Flag)
-      return NULL;
   bool TryUnfold = false;
+  for (unsigned i = 0, e = N->getNumValues(); i != e; ++i) {
+    MVT::ValueType VT = N->getValueType(i);
+    if (VT == MVT::Flag)
+      return NULL;
+    else if (VT == MVT::Other)
+      TryUnfold = true;
+  }
   for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
     const SDOperand &Op = N->getOperand(i);
     MVT::ValueType VT = Op.Val->getValueType(Op.ResNo);
     if (VT == MVT::Flag)
       return NULL;
-    else if (VT == MVT::Other)
-      TryUnfold = true;
   }
 
   if (TryUnfold) {