[llvm-commits] [llvm] r52930 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Evan Cheng]

Author: evancheng
Date: Mon Jun 30 17:10:09 2008
New Revision: 52930

URL: http://llvm.org/viewvc/llvm-project?rev=52930&view=rev
Log:
Add timing report for various sub-passes under SelectionDAGISel.

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

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=52930&r1=52929&r2=52930&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Mon Jun 30 17:10:09 2008
@@ -5314,11 +5314,17 @@
 }
 
 void SelectionDAGISel::CodeGenAndEmitDAG(SelectionDAG &DAG) {
+  NamedRegionTimer *RegionTimer = 0;
+
   DOUT << "Lowered selection DAG:\n";
   DEBUG(DAG.dump());
 
   // Run the DAG combiner in pre-legalize mode.
+  if (TimePassesIsEnabled)
+    RegionTimer = new NamedRegionTimer("DAG Combining 1");
   DAG.Combine(false, *AA);
+  if (TimePassesIsEnabled)
+    delete RegionTimer;
   
   DOUT << "Optimized lowered selection DAG:\n";
   DEBUG(DAG.dump());
@@ -5329,13 +5335,21 @@
   DAG.LegalizeTypes();
   // Someday even later, enable a dag combine pass here.
 #endif
+  if (TimePassesIsEnabled)
+    RegionTimer = new NamedRegionTimer("DAG Legalization");
   DAG.Legalize();
+  if (TimePassesIsEnabled)
+    delete RegionTimer;
   
   DOUT << "Legalized selection DAG:\n";
   DEBUG(DAG.dump());
   
   // Run the DAG combiner in post-legalize mode.
+  if (TimePassesIsEnabled)
+    RegionTimer = new NamedRegionTimer("DAG Combining 2");
   DAG.Combine(true, *AA);
+  if (TimePassesIsEnabled)
+    delete RegionTimer;
   
   DOUT << "Optimized legalized selection DAG:\n";
   DEBUG(DAG.dump());
@@ -5347,14 +5361,26 @@
 
   // Third, instruction select all of the operations to machine code, adding the
   // code to the MachineBasicBlock.
+  if (TimePassesIsEnabled)
+    RegionTimer = new NamedRegionTimer("Instruction Selection");
   InstructionSelect(DAG);
+  if (TimePassesIsEnabled)
+    delete RegionTimer;
 
   // Emit machine code to BB.  This can change 'BB' to the last block being 
   // inserted into.
+  if (TimePassesIsEnabled)
+    RegionTimer = new NamedRegionTimer("Instruction Scheduling");
   ScheduleAndEmitDAG(DAG);
+  if (TimePassesIsEnabled)
+    delete RegionTimer;
 
   // Perform target specific isel post processing.
+  if (TimePassesIsEnabled)
+    RegionTimer = new NamedRegionTimer("Instruction Selection Post Processing");
   InstructionSelectPostProcessing(DAG);
+  if (TimePassesIsEnabled)
+    delete RegionTimer;
   
   DOUT << "Selected machine code:\n";
   DEBUG(BB->dump());