diff options
Diffstat (limited to 'lib/Transforms/IPO/GlobalDCE.cpp')
| -rw-r--r-- | lib/Transforms/IPO/GlobalDCE.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/IPO/GlobalDCE.cpp b/lib/Transforms/IPO/GlobalDCE.cpp index 76d1287..201f320 100644 --- a/lib/Transforms/IPO/GlobalDCE.cpp +++ b/lib/Transforms/IPO/GlobalDCE.cpp @@ -197,8 +197,8 @@ void GlobalDCE::MarkUsedGlobalsAsNeeded(Constant *C) { // use to the list of needed globals. for (User::op_iterator I = C->op_begin(), E = C->op_end(); I != E; ++I) { // If we've already processed this constant there's no need to do it again. - Constant *Op = cast<Constant>(*I); - if (SeenConstants.insert(Op)) + Constant *Op = dyn_cast<Constant>(*I); + if (Op && SeenConstants.insert(Op)) MarkUsedGlobalsAsNeeded(Op); } } |