From 811a372d4fbf505e3d5db3b1d18f1109de47e0a7 Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Wed, 24 Apr 2013 15:54:36 +0000
Subject: [PATCH] MI Sched: regpressure tracing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180191 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/MachineScheduler.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 0acd9801141..e8003610611 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -507,6 +507,14 @@ updateScheduledPressure(const std::vector<unsigned> &NewMaxPressure) {
     if ((int)NewMaxPressure[ID] > MaxUnits)
       MaxUnits = NewMaxPressure[ID];
   }
+  DEBUG(
+    for (unsigned i = 0, e = NewMaxPressure.size(); i < e; ++i) {
+      unsigned Limit = TRI->getRegPressureSetLimit(i);
+      if (NewMaxPressure[i] > Limit ) {
+        dbgs() << "  " << TRI->getRegPressureSetName(i) << ": "
+               << NewMaxPressure[i] << " > " << Limit << "\n";
+      }
+    });
 }
 
 /// schedule - Called back from MachineScheduler::runOnMachineFunction
-- 
2.34.1