aboutsummaryrefslogtreecommitdiff
path: root/lib/Analysis/LiveVar/FunctionLiveVarInfo.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Analysis/LiveVar/FunctionLiveVarInfo.cpp')
-rw-r--r--lib/Analysis/LiveVar/FunctionLiveVarInfo.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Analysis/LiveVar/FunctionLiveVarInfo.cpp b/lib/Analysis/LiveVar/FunctionLiveVarInfo.cpp
index 91c2498e97..e47c9d2bc3 100644
--- a/lib/Analysis/LiveVar/FunctionLiveVarInfo.cpp
+++ b/lib/Analysis/LiveVar/FunctionLiveVarInfo.cpp
@@ -114,7 +114,11 @@ bool MethodLiveVarInfo::doSingleBackwardPass()
// performs live var anal for a method
void MethodLiveVarInfo::analyze()
{
-
+ // Don't analyze the same method twice!
+ // Later, we need to add change notification here.
+ if (HasAnalyzed)
+ return;
+
if( DEBUG_LV) cout << "Analysing live variables ..." << endl;
// create and initialize all the BBLiveVars of the CFG