MachineScheduler: Print initial pressure in debug dump

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253097 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 5a31d675317c0476f80a6e5c6cbf15cdb1f1a915..a13dab3fe78fc5572e220b1ec75346b87de5e7d8 100644 (file)
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -910,6 +910,13 @@ void ScheduleDAGMILive::initRegPressure() {
     updatePressureDiffs(LiveUses);
   }
 
+  DEBUG(
+    dbgs() << "Top Pressure:\n";
+    dumpRegSetPressure(TopRPTracker.getRegSetPressureAtPos(), TRI);
+    dbgs() << "Bottom Pressure:\n";
+    dumpRegSetPressure(BotRPTracker.getRegSetPressureAtPos(), TRI);
+  );
+
   assert(BotRPTracker.getPos() == RegionEnd && "Can't find the region bottom");
 
   // Cache the list of excess pressure sets in this region. This will also track