[llvm-commits] [llvm] r79747 - /llvm/trunk/lib/CodeGen/BranchFolding.cpp

[Bill Wendling]

Author: void
Date: Sat Aug 22 15:03:00 2009
New Revision: 79747

URL: http://llvm.org/viewvc/llvm-project?rev=79747&view=rev
Log:
Convert DOUT to DEBUG(errs()...).

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

Modified: llvm/trunk/lib/CodeGen/BranchFolding.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/BranchFolding.cpp?rev=79747&r1=79746&r2=79747&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/BranchFolding.cpp (original)
+++ llvm/trunk/lib/CodeGen/BranchFolding.cpp Sat Aug 22 15:03:00 2009
@@ -28,6 +28,7 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/STLExtras.h"
@@ -108,7 +109,7 @@
 /// function, updating the CFG.
 void BranchFolder::RemoveDeadBlock(MachineBasicBlock *MBB) {
   assert(MBB->pred_empty() && "MBB must be dead!");
-  DOUT << "\nRemoving MBB: " << *MBB;
+  DEBUG(errs() << "\nRemoving MBB: " << *MBB);
   
   MachineFunction *MF = MBB->getParent();
   // drop all successors.
@@ -568,8 +569,8 @@
   MachineBasicBlock::iterator BBI = SameTails[commonTailIndex].second;
   MachineBasicBlock *MBB = SameTails[commonTailIndex].first->second;
 
-  DOUT << "\nSplitting " << MBB->getNumber() << ", size " << 
-          maxCommonTailLength;
+  DEBUG(errs() << "\nSplitting " << MBB->getNumber() << ", size "
+               << maxCommonTailLength);
 
   MachineBasicBlock *newMBB = SplitMBBAt(*MBB, BBI);
   SameTails[commonTailIndex].first->second = newMBB;
@@ -597,7 +598,7 @@
   unsigned minCommonTailLength = (SuccBB ? 1 : 2) + 1;
   MadeChange = false;
   
-  DOUT << "\nTryMergeBlocks " << MergePotentials.size() << '\n';
+  DEBUG(errs() << "\nTryMergeBlocks " << MergePotentials.size() << '\n');
 
   // Sort by hash value so that blocks with identical end sequences sort
   // together.
@@ -644,17 +645,17 @@
     MachineBasicBlock *MBB = SameTails[commonTailIndex].first->second;
     // MBB is common tail.  Adjust all other BB's to jump to this one.
     // Traversal must be forwards so erases work.
-    DOUT << "\nUsing common tail " << MBB->getNumber() << " for ";
+    DEBUG(errs() << "\nUsing common tail " << MBB->getNumber() << " for ");
     for (unsigned int i=0; i<SameTails.size(); ++i) {
       if (commonTailIndex==i)
         continue;
-      DOUT << SameTails[i].first->second->getNumber() << ",";
+      DEBUG(errs() << SameTails[i].first->second->getNumber() << ",");
       // Hack the end off BB i, making it jump to BB commonTailIndex instead.
       ReplaceTailWithBranchTo(SameTails[i].second, MBB);
       // BB i is no longer a predecessor of SuccBB; remove it from the worklist.
       MergePotentials.erase(SameTails[i].first);
     }
-    DOUT << "\n";
+    DEBUG(errs() << "\n");
     // We leave commonTailIndex in the worklist in case there are other blocks
     // that match it with a smaller number of instructions.
     MadeChange = true;
@@ -1008,8 +1009,8 @@
         // Reverse the branch so we will fall through on the previous true cond.
         SmallVector<MachineOperand, 4> NewPriorCond(PriorCond);
         if (!TII->ReverseBranchCondition(NewPriorCond)) {
-          DOUT << "\nMoving MBB: " << *MBB;
-          DOUT << "To make fallthrough to: " << *PriorTBB << "\n";
+          DEBUG(errs() << "\nMoving MBB: " << *MBB
+                       << "To make fallthrough to: " << *PriorTBB << "\n");
           
           TII->RemoveBranch(PrevBB);
           TII->InsertBranch(PrevBB, MBB, 0, NewPriorCond);