[llvm-commits] [llvm] r158069 - /llvm/trunk/lib/CodeGen/TailDuplication.cpp

[Benjamin Kramer]

Author: d0k
Date: Wed Jun  6 08:53:41 2012
New Revision: 158069

URL: http://llvm.org/viewvc/llvm-project?rev=158069&view=rev
Log:
Stop leaking RegScavengers from TailDuplication.

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

Modified: llvm/trunk/lib/CodeGen/TailDuplication.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/TailDuplication.cpp?rev=158069&r1=158068&r2=158069&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/TailDuplication.cpp (original)
+++ llvm/trunk/lib/CodeGen/TailDuplication.cpp Wed Jun  6 08:53:41 2012
@@ -28,6 +28,7 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/DenseSet.h"
+#include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/Statistic.h"
@@ -62,7 +63,7 @@
     const TargetRegisterInfo *TRI;
     MachineModuleInfo *MMI;
     MachineRegisterInfo *MRI;
-    RegScavenger *RS;
+    OwningPtr<RegScavenger> RS;
     bool PreRegAlloc;
 
     // SSAUpdateVRs - A list of virtual registers for which to update SSA form.
@@ -132,9 +133,9 @@
   MRI = &MF.getRegInfo();
   MMI = getAnalysisIfAvailable<MachineModuleInfo>();
   PreRegAlloc = MRI->isSSA();
-  RS = NULL;
+  RS.reset();
   if (MRI->tracksLiveness() && TRI->trackLivenessAfterRegAlloc(MF))
-    RS = new RegScavenger();
+    RS.reset(new RegScavenger());
 
   bool MadeChange = false;
   while (TailDuplicateBlocks(MF))