commit f6b7a47d5d6e2703591b95b10b2c5be5b5fd09cd
author Dan Gohman <gohman@apple.com> Fri Nov 21 02:38:21 2008 +0000
committer Dan Gohman <gohman@apple.com> Fri Nov 21 02:38:21 2008 +0000
tree b81ee87a5da0f4b4f4b52c77d89f909201dc75f1
parent da4948ac8cbc307739e353e64c19a935de1e0230

Set the isAntiDep flag in the MachineInstr scheduler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59787 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/ScheduleDAGInstrs.cpp

diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp
index ec8fc66..c83af09 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -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)