Remove a memory leak from ThumbTargetMachine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98936 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
index 88e67e3808f41c336cb8422756abf73c625b02c9..c32f16c77a244fc2cb66a37af1fa58540ae41cd3 100644 (file)
--- a/lib/Target/ARM/ARMTargetMachine.h
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -23,6 +23,7 @@
 #include "ARMISelLowering.h"
 #include "Thumb1InstrInfo.h"
 #include "Thumb2InstrInfo.h"
+#include "llvm/ADT/OwningPtr.h"
 
 namespace llvm {
 
@@ -83,7 +84,8 @@ public:
 ///   Thumb-1 and Thumb-2.
 ///
 class ThumbTargetMachine : public ARMBaseTargetMachine {
-  ARMBaseInstrInfo    *InstrInfo;   // either Thumb1InstrInfo or Thumb2InstrInfo
+  // Either Thumb1InstrInfo or Thumb2InstrInfo.
+  OwningPtr<ARMBaseInstrInfo> InstrInfo;
   const TargetData    DataLayout;   // Calculates type size & alignment
   ARMTargetLowering   TLInfo;
 public:
@@ -100,7 +102,9 @@ public:
   }
 
   /// returns either Thumb1InstrInfo or Thumb2InstrInfo
-  virtual const ARMBaseInstrInfo *getInstrInfo() const { return InstrInfo; }
+  virtual const ARMBaseInstrInfo *getInstrInfo() const {
+    return InstrInfo.get();
+  }
   virtual const TargetData       *getTargetData() const { return &DataLayout; }
 };