diff options
Diffstat (limited to 'lib/Transforms/IPO/GlobalOpt.cpp')
| -rw-r--r-- | lib/Transforms/IPO/GlobalOpt.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp index 71eeb75..86c5e29 100644 --- a/lib/Transforms/IPO/GlobalOpt.cpp +++ b/lib/Transforms/IPO/GlobalOpt.cpp @@ -2024,6 +2024,11 @@ static Constant *getVal(DenseMap<Value*, Constant*> &ComputedValues, /// we punt. We basically just support direct accesses to globals and GEP's of /// globals. This should be kept up to date with CommitValueTo. static bool isSimpleEnoughPointerToCommit(Constant *C, LLVMContext &Context) { + // Conservatively, avoid aggregate types. This is because we don't + // want to worry about them partially overlapping other stores. + if (!cast<PointerType>(C->getType())->getElementType()->isSingleValueType()) + return false; + if (GlobalVariable *GV = dyn_cast<GlobalVariable>(C)) // Do not allow weak/linkonce/dllimport/dllexport linkage or // external globals. |