From d5696915d41a8159cf5931e3336ba8009da005a6 Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Wed, 23 Apr 2014 14:51:35 +0000
Subject: [PATCH] X86AsmParser.cpp: Fix memory leak at replacing movsd to
 movsl.

llvm-svn: 206991
---
 llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 9f3eea300a73..c5fdc2a2b418 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -2073,8 +2073,10 @@ ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc,
       (Name == "smov" || Name == "smovb" || Name == "smovw" ||
        Name == "smovl" || Name == "smovd" || Name == "smovq"))) {
     if (Operands.size() == 1) {
-      if (Name == "movsd")
+      if (Name == "movsd") {
+        delete Operands.back();
         Operands.back() = X86Operand::CreateToken("movsl", NameLoc);
+      }
       if (isParsingIntelSyntax()) {
         Operands.push_back(DefaultMemDIOperand(NameLoc));
         Operands.push_back(DefaultMemSIOperand(NameLoc));