diff options
Diffstat (limited to 'lib/Analysis/DataStructure/DataStructureAA.cpp')
| -rw-r--r-- | lib/Analysis/DataStructure/DataStructureAA.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Analysis/DataStructure/DataStructureAA.cpp b/lib/Analysis/DataStructure/DataStructureAA.cpp index dcbb4ed60f..f880b636dc 100644 --- a/lib/Analysis/DataStructure/DataStructureAA.cpp +++ b/lib/Analysis/DataStructure/DataStructureAA.cpp @@ -190,7 +190,7 @@ DSAA::getModRefInfo(CallSite CS, Value *P, unsigned Size) { DSScalarMap &CallerSM = CallerTDGraph.getScalarMap(); DSScalarMap::iterator NI = CallerSM.find(P); if (NI == CallerSM.end()) { - if (isa<ConstantPointerNull>(P)) + if (isa<ConstantPointerNull>(P) || isa<UndefValue>(P)) Result = NoModRef; // null is never modified :) else { assert(isa<GlobalVariable>(P) && |