- } else if (GlobalValue *GV = dyn_cast<GlobalVariable>(Base)) {
- Type *GTy = GV->getType()->getElementType();
- if (GTy->isSized())
- BaseSize = TD->getTypeAllocSize(GTy);
- BaseAlign = GV->getAlignment();
- if (BaseAlign == 0 && GTy->isSized())
- BaseAlign = TD->getABITypeAlignment(GTy);
+ } else if (GlobalVariable *GV = dyn_cast<GlobalVariable>(Base)) {
+ // If the global may be defined differently in another compilation unit
+ // then don't warn about funky memory accesses.
+ if (GV->hasDefinitiveInitializer()) {
+ Type *GTy = GV->getType()->getElementType();
+ if (GTy->isSized())
+ BaseSize = TD->getTypeAllocSize(GTy);
+ BaseAlign = GV->getAlignment();
+ if (BaseAlign == 0 && GTy->isSized())
+ BaseAlign = TD->getABITypeAlignment(GTy);
+ }