From af663465d64c40e6798c0dacb9d49e9cef763a17 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 4 Nov 2002 02:54:22 +0000
Subject: [PATCH] Make sure to _delete_ memory allocated by worklists

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4523 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/SCCP.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index 293469758ad..66818bc3b63 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -314,6 +314,8 @@ bool SCCP::runOnFunction(Function &F) {
   // Reset state so that the next invocation will have empty data structures
   BBExecutable.clear();
   ValueState.clear();
+  std::vector<Instruction*>().swap(InstWorkList);
+  std::vector<BasicBlock*>().swap(BBWorkList);
 
   return MadeChanges;
 }