From: Craig Topper <craig.topper@gmail.com>
Date: Fri, 6 May 2016 06:56:14 +0000 (+0000)
Subject: [TableGen] Fix a memory leak when creating SwitchOpcodeMatchers.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=886b4ecfe7100f9056de7192aa2e67ec98b8884f;p=llvm

[TableGen] Fix a memory leak when creating SwitchOpcodeMatchers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268712 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/utils/TableGen/DAGISelMatcherOpt.cpp b/utils/TableGen/DAGISelMatcherOpt.cpp
index e17e27a2be4..ad385fac043 100644
--- a/utils/TableGen/DAGISelMatcherOpt.cpp
+++ b/utils/TableGen/DAGISelMatcherOpt.cpp
@@ -383,7 +383,8 @@ static void FactorNodes(std::unique_ptr<Matcher> &MatcherPtr) {
       CheckOpcodeMatcher *COM = cast<CheckOpcodeMatcher>(NewOptionsToMatch[i]);
       assert(Opcodes.insert(COM->getOpcode().getEnumName()).second &&
              "Duplicate opcodes not factored?");
-      Cases.push_back(std::make_pair(&COM->getOpcode(), COM->getNext()));
+      Cases.push_back(std::make_pair(&COM->getOpcode(), COM->takeNext()));
+      delete COM;
     }
     
     MatcherPtr.reset(new SwitchOpcodeMatcher(Cases));