Value *OriginPtr =
getOriginPtrForArgument(&FArg, EntryIRB, ArgOffset);
setOrigin(A, EntryIRB.CreateLoad(OriginPtr));
- } else {
- setOrigin(A, getCleanOrigin());
}
}
ArgOffset += RoundUpToAlignment(Size, kShadowTLSAlignment);
/// \brief Get the origin for a value.
Value *getOrigin(Value *V) {
if (!MS.TrackOrigins) return nullptr;
- if (!PropagateShadow) return getCleanOrigin();
- if (isa<Constant>(V)) return getCleanOrigin();
- assert((isa<Instruction>(V) || isa<Argument>(V)) &&
- "Unexpected value type in getOrigin()");
- Value *Origin = OriginMap[V];
- assert(Origin && "Missing origin");
- return Origin;
+ if (isa<Instruction>(V) || isa<Argument>(V)) {
+ Value *Origin = OriginMap[V];
+ if (!Origin) {
+ DEBUG(dbgs() << "NO ORIGIN: " << *V << "\n");
+ Origin = getCleanOrigin();
+ }
+ return Origin;
+ }
+ return getCleanOrigin();
}
/// \brief Get the origin for i-th argument of the instruction I.
IRB.CreateStore(getCleanShadow(&I), ShadowPtr);
setShadow(&I, getCleanShadow(&I));
- setOrigin(&I, getCleanOrigin());
}
void visitAtomicRMWInst(AtomicRMWInst &I) {