[llvm-commits] [llvm] r84011 - /llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp

[David Goodwin]

Author: david_goodwin
Date: Tue Oct 13 14:16:03 2009
New Revision: 84011

URL: http://llvm.org/viewvc/llvm-project?rev=84011&view=rev
Log:
Add debugging output.

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

Modified: llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp?rev=84011&r1=84010&r2=84011&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp (original)
+++ llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp Tue Oct 13 14:16:03 2009
@@ -643,8 +643,18 @@
       Max = SU;
   }
 
-  DEBUG(errs() << "Critical path has total latency "
-        << (Max->getDepth() + Max->Latency) << "\n");
+#ifndef NDEBUG
+  {
+    DEBUG(errs() << "Critical path has total latency "
+          << (Max->getDepth() + Max->Latency) << "\n");
+    DEBUG(errs() << "Available regs:");
+    for (unsigned Reg = 0; Reg < TRI->getNumRegs(); ++Reg) {
+      if (KillIndices[Reg] == ~0u)
+        DEBUG(errs() << " " << TRI->getName(Reg));
+    }
+    DEBUG(errs() << '\n');
+  }
+#endif
 
   // Track progress along the critical path through the SUnit graph as we walk
   // the instructions.