Add debugging output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84011 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PostRASchedulerList.cpp b/lib/CodeGen/PostRASchedulerList.cpp
index 66bcf8c..e52158c 100644
--- a/lib/CodeGen/PostRASchedulerList.cpp
+++ b/lib/CodeGen/PostRASchedulerList.cpp
@@ -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.