[llvm-commits] [llvm] r157423 - in /llvm/trunk/lib/CodeGen: RegisterPressure.cpp RegisterPressure.h

[Andrew Trick]

Author: atrick
Date: Thu May 24 17:10:59 2012
New Revision: 157423

URL: http://llvm.org/viewvc/llvm-project?rev=157423&view=rev
Log:
regpressure: Added RegisterPressure::dump

Modified:
    llvm/trunk/lib/CodeGen/RegisterPressure.cpp
    llvm/trunk/lib/CodeGen/RegisterPressure.h

Modified: llvm/trunk/lib/CodeGen/RegisterPressure.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegisterPressure.cpp?rev=157423&r1=157422&r2=157423&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegisterPressure.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegisterPressure.cpp Thu May 24 17:10:59 2012
@@ -18,6 +18,8 @@
 #include "llvm/CodeGen/LiveIntervalAnalysis.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 
@@ -61,6 +63,22 @@
   decreaseSetPressure(MaxSetPressure, RC, TRI);
 }
 
+void RegisterPressure::dump(const TargetRegisterInfo *TRI) {
+  dbgs() << "Live In: ";
+  for (unsigned i = 0, e = LiveInRegs.size(); i < e; ++i)
+    dbgs() << PrintReg(LiveInRegs[i], TRI) << " ";
+  dbgs() << '\n';
+  dbgs() << "Live Out: ";
+  for (unsigned i = 0, e = LiveOutRegs.size(); i < e; ++i)
+    dbgs() << PrintReg(LiveOutRegs[i], TRI) << " ";
+  dbgs() << '\n';
+  for (unsigned i = 0, e = MaxSetPressure.size(); i < e; ++i) {
+    if (MaxSetPressure[i] != 0)
+      dbgs() << TRI->getRegPressureSetName(i) << "=" << MaxSetPressure[i]
+             << '\n';
+  }
+}
+
 /// Increase the current pressure as impacted by these physical registers and
 /// bump the high water mark if needed.
 void RegPressureTracker::increasePhysRegPressure(ArrayRef<unsigned> Regs) {

Modified: llvm/trunk/lib/CodeGen/RegisterPressure.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegisterPressure.h?rev=157423&r1=157422&r2=157423&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegisterPressure.h (original)
+++ llvm/trunk/lib/CodeGen/RegisterPressure.h Thu May 24 17:10:59 2012
@@ -42,6 +42,8 @@
   /// Decrease register pressure for each pressure set impacted by this register
   /// class. This is only useful to account for spilling or rematerialization.
   void decrease(const TargetRegisterClass *RC, const TargetRegisterInfo *TRI);
+
+  void dump(const TargetRegisterInfo *TRI);
 };
 
 /// RegisterPressure computed within a region of instructions delimited by