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authorOwen Anderson <resistor@mac.com>2007-07-20 06:16:07 +0000
committerOwen Anderson <resistor@mac.com>2007-07-20 06:16:07 +0000
commit521a20207ca5ed8fbe3f8a0537a286478277fb3f (patch)
tree23f0fa51aefc2bc46deba025e8ffacf0627749db /lib/Analysis/MemoryDependenceAnalysis.cpp
parent7800479260c1f4cd69daf9e33615bedb6305e5b4 (diff)
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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
Diffstat (limited to 'lib/Analysis/MemoryDependenceAnalysis.cpp')
-rw-r--r--lib/Analysis/MemoryDependenceAnalysis.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index 498e54c..3ec733f 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++;