diff options
| -rw-r--r-- | lib/CodeGen/GlobalMerge.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/GlobalMerge.cpp b/lib/CodeGen/GlobalMerge.cpp index df54a9c6916..37b3bf17ed1 100644 --- a/lib/CodeGen/GlobalMerge.cpp +++ b/lib/CodeGen/GlobalMerge.cpp @@ -280,6 +280,8 @@ bool GlobalMerge::doMerge(SmallVectorImpl<GlobalVariable*> &Globals, // users, so look through ConstantExpr... Use *UI, *UE; if (ConstantExpr *CE = dyn_cast<ConstantExpr>(U.getUser())) { + if (CE->use_empty()) + continue; UI = &*CE->use_begin(); UE = nullptr; } else if (isa<Instruction>(U.getUser())) { |