Plug a leak by giving the AsmParser ownership of the MCSubtargetInfo.

Found by valgrind.

llvm-svn: 134738

1 files changed, 4 insertions, 3 deletions

diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 5b66a059722..db6ab33ed68 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -19,6 +19,7 @@
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCAsmParser.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
+#include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
@@ -37,7 +38,7 @@ struct X86Operand;
 
 class X86ATTAsmParser : public TargetAsmParser {
   MCAsmParser &Parser;
-  const MCSubtargetInfo *STI;
+  OwningPtr<const MCSubtargetInfo> STI;
 
 private:
   MCAsmParser &getParser() const { return Parser; }
@@ -79,8 +80,8 @@ private:
 public:
   X86ATTAsmParser(StringRef TT, StringRef CPU, StringRef FS,
                   MCAsmParser &parser)
-    : TargetAsmParser(), Parser(parser) {
-    STI = X86_MC::createX86MCSubtargetInfo(TT, CPU, FS);
+    : TargetAsmParser(), Parser(parser),
+      STI(X86_MC::createX86MCSubtargetInfo(TT, CPU, FS)) {
 
     // Initialize the set of available features.
     setAvailableFeatures(ComputeAvailableFeatures(STI->getFeatureBits()));