[llvm-commits] [llvm] r38496 - /llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp

[Evan Cheng]

Author: evancheng
Date: Tue Jul 10 12:52:20 2007
New Revision: 38496

URL: http://llvm.org/viewvc/llvm-project?rev=38496&view=rev
Log:
If the operand is marked M_OPTIONAL_DEF_OPERAND, then it's a def.

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

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp?rev=38496&r1=38495&r2=38496&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp Tue Jul 10 12:52:20 2007
@@ -323,7 +323,10 @@
     
     // Get/emit the operand.
     unsigned VReg = getVR(Op, VRBaseMap);
-    MI->addRegOperand(VReg, false);
+    const TargetInstrDescriptor *TID = MI->getInstrDescriptor();
+    bool isOptDef = (IIOpNum < TID->numOperands)
+      ? (TID->OpInfo[IIOpNum].Flags & M_OPTIONAL_DEF_OPERAND) : false;
+    MI->addRegOperand(VReg, isOptDef);
     
     // Verify that it is right.
     assert(MRegisterInfo::isVirtualRegister(VReg) && "Not a vreg?");