diff options
Diffstat (limited to 'lib/Transforms/IPO')
| -rw-r--r-- | lib/Transforms/IPO/LowerTypeTests.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/Transforms/IPO/LowerTypeTests.cpp b/lib/Transforms/IPO/LowerTypeTests.cpp index 027f426649c..ab205f4285e 100644 --- a/lib/Transforms/IPO/LowerTypeTests.cpp +++ b/lib/Transforms/IPO/LowerTypeTests.cpp @@ -259,6 +259,7 @@ class LowerTypeTestsModule { IntegerType *Int1Ty = Type::getInt1Ty(M.getContext()); IntegerType *Int8Ty = Type::getInt8Ty(M.getContext()); PointerType *Int8PtrTy = Type::getInt8PtrTy(M.getContext()); + ArrayType *Int8Arr0Ty = ArrayType::get(Type::getInt8Ty(M.getContext()), 0); IntegerType *Int32Ty = Type::getInt32Ty(M.getContext()); PointerType *Int32PtrTy = PointerType::getUnqual(Int32Ty); IntegerType *Int64Ty = Type::getInt64Ty(M.getContext()); @@ -803,10 +804,13 @@ LowerTypeTestsModule::importTypeId(StringRef TypeId) { TIL.TheKind = TTRes.TheKind; auto ImportGlobal = [&](StringRef Name) { - Constant *C = - M.getOrInsertGlobal(("__typeid_" + TypeId + "_" + Name).str(), Int8Ty); + // Give the global a type of length 0 so that it is not assumed not to alias + // with any other global. + Constant *C = M.getOrInsertGlobal(("__typeid_" + TypeId + "_" + Name).str(), + Int8Arr0Ty); if (auto *GV = dyn_cast<GlobalVariable>(C)) GV->setVisibility(GlobalValue::HiddenVisibility); + C = ConstantExpr::getBitCast(C, Int8PtrTy); return C; }; |