From: Owen Anderson <resistor@mac.com>
Date: Fri, 20 Jul 2007 06:16:07 +0000 (+0000)
Subject: When removing instructions from the analysis, be sure to check the confirmed
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=521a20207ca5ed8fbe3f8a0537a286478277fb3f;p=oota-llvm.git

When removing instructions from the analysis, be sure to check the confirmed
flag when determining what to do with dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40079 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index 498e54c7272..3ec733f9e4c 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -248,7 +248,8 @@ Instruction* MemoryDependenceAnalysis::getDependency(Instruction* query,
 void MemoryDependenceAnalysis::removeInstruction(Instruction* rem) {
   // Figure out the new dep for things that currently depend on rem
   Instruction* newDep = NonLocal;
-  if (depGraphLocal[rem].first != NonLocal) {
+  if (depGraphLocal[rem].first != NonLocal &&
+      depGraphLocal[rem].second) {
     // If we have dep info for rem, set them to it
     BasicBlock::iterator RI = depGraphLocal[rem].first;
     RI++;