[llvm-commits] [llvm] r59787 - /llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp

[Dan Gohman]

Author: djg
Date: Thu Nov 20 20:38:21 2008
New Revision: 59787

URL: http://llvm.org/viewvc/llvm-project?rev=59787&view=rev
Log:
Set the isAntiDep flag in the MachineInstr scheduler.

Modified:
    llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp

Modified: llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp?rev=59787&r1=59786&r2=59787&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp (original)
+++ llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp Thu Nov 20 20:38:21 2008
@@ -53,7 +53,7 @@
       // Optionally add output and anti dependences.
       if (Def && Def != SU)
         Def->addPred(SU, /*isCtrl=*/true, /*isSpecial=*/false,
-                     /*PhyReg=*/Reg, Cost);
+                     /*PhyReg=*/Reg, Cost, /*isAntiDep=*/MO.isUse());
       for (const unsigned *Alias = TRI->getAliasSet(Reg); *Alias; ++Alias) {
         SUnit *&Def = Defs[*Alias];
         if (Def && Def != SU)