- Assert1(CI.getOperand(3)->getType()
- == PointerType::getUnqual(CI.getOperand(1)->getType()),
- "Call to llvm.gcwrite must be with type 'void (%ty*, %ty2*, %ty**)'.",
- &CI);
- break;
- case Intrinsic::gcread:
- Assert1(CI.getOperand(2)->getType() == PointerType::getUnqual(CI.getType()),
- "Call to llvm.gcread must be with type '%ty* (%ty2*, %ty**).'",
- &CI);
- break;
+ case Intrinsic::gcread: {
+ Type *PtrTy = PointerType::getUnqual(Type::Int8Ty),
+ *PtrPtrTy = PointerType::getUnqual(PtrTy);
+
+ switch (ID) {
+ default:
+ break;
+ case Intrinsic::gcroot:
+ Assert1(CI.getOperand(1)->getType() == PtrPtrTy,
+ "Intrinsic parameter #1 is not i8**.", &CI);
+ Assert1(CI.getOperand(2)->getType() == PtrTy,
+ "Intrinsic parameter #2 is not i8*.", &CI);
+ Assert1(isa<AllocaInst>(CI.getOperand(1)->stripPointerCasts()),
+ "llvm.gcroot parameter #1 must be an alloca.", &CI);
+ Assert1(isa<Constant>(CI.getOperand(2)),
+ "llvm.gcroot parameter #2 must be a constant.", &CI);
+ break;
+ case Intrinsic::gcwrite:
+ Assert1(CI.getOperand(1)->getType() == PtrTy,
+ "Intrinsic parameter #1 is not a i8*.", &CI);
+ Assert1(CI.getOperand(2)->getType() == PtrTy,
+ "Intrinsic parameter #2 is not a i8*.", &CI);
+ Assert1(CI.getOperand(3)->getType() == PtrPtrTy,
+ "Intrinsic parameter #3 is not a i8**.", &CI);
+ break;
+ case Intrinsic::gcread:
+ Assert1(CI.getOperand(1)->getType() == PtrTy,
+ "Intrinsic parameter #1 is not a i8*.", &CI);
+ Assert1(CI.getOperand(2)->getType() == PtrPtrTy,
+ "Intrinsic parameter #2 is not a i8**.", &CI);
+ break;
+ }
+
+ Assert1(CI.getParent()->getParent()->hasCollector(),
+ "Enclosing function does not specify a collector algorithm.",
+ &CI);
+ } break;