[llvm-commits] [llvm] r160380 - /llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Tue Jul 17 12:57:23 2012
New Revision: 160380

URL: http://llvm.org/viewvc/llvm-project?rev=160380&view=rev
Log:
Add some trace output to TwoAddressInstructionPass.

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

Modified: llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp?rev=160380&r1=160379&r2=160380&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp (original)
+++ llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp Tue Jul 17 12:57:23 2012
@@ -1001,6 +1001,7 @@
   LV->removeVirtualRegisterKilled(Reg, KillMI);
   LV->addVirtualRegisterKilled(Reg, MI);
 
+  DEBUG(dbgs() << "\trescheduled below kill: " << *KillMI);
   return true;
 }
 
@@ -1154,6 +1155,7 @@
   LV->removeVirtualRegisterKilled(Reg, KillMI);
   LV->addVirtualRegisterKilled(Reg, MI);
 
+  DEBUG(dbgs() << "\trescheduled kill: " << *KillMI);
   return true;
 }
 
@@ -1185,7 +1187,8 @@
   if (!regBKilled && MI.getOperand(DstIdx).isDead() &&
       DeleteUnusedInstr(mi, nmi, mbbi, Dist)) {
     ++NumDeletes;
-    return true; // Done with this instruction.
+    DEBUG(dbgs() << "\tdeleted unused instruction.\n");
+    return true; // Done with this instruction."
   }
 
   if (TargetRegisterInfo::isVirtualRegister(regA))