virtual llvm::Value* materializeValueFor(llvm::Value* v) {
// llvm::errs() << "materializing\n";
// v->dump();
llvm::Value* r = NULL;
if (llvm::Function* f = llvm::dyn_cast<llvm::Function>(v)) {
// llvm::errs() << "is function\n";
r = new_module->getOrInsertFunction(f->getName(), f->getFunctionType());
} else if (llvm::GlobalVariable* gv = llvm::dyn_cast<llvm::GlobalVariable>(v)) {
// llvm::errs() << " is gv\n";
assert(gv->getLinkage() != llvm::GlobalVariable::PrivateLinkage);
llvm::GlobalVariable* new_gv = llvm::cast<llvm::GlobalVariable>(
new_module->getOrInsertGlobal(gv->getName(), gv->getType()->getElementType()));
RELEASE_ASSERT(!gv->isThreadLocal(), "I don't think MCJIT supports thread-local variables yet");
new_gv->setThreadLocalMode(gv->getThreadLocalMode());
r = new_gv;
} else if (llvm::GlobalAlias* alias = llvm::dyn_cast<llvm::GlobalAlias>(v)) {
#if LLVMREV < 209040
llvm::Value* addressee = llvm::cast<llvm::Constant>(materializeValueFor(alias->getAliasedGlobal()));
#else
llvm::Value* addressee = llvm::cast<llvm::Constant>(materializeValueFor(alias->getAliasee()));
#endif
assert(addressee);
assert(alias->getType() == addressee->getType());
r = addressee;
// r = new llvm::GlobalAlias(alias->getType(), alias->getLinkage(), alias->getName(), addressee,
// new_module);
} else if (llvm::isa<llvm::Constant>(v)) {
// llvm::errs() << " is a constant\n";
r = NULL;
} else {
r = v;
}
// if (r)
// r->dump();
// llvm::errs() << "---\n";
return r;
}
virtual llvm::Value* materializeValueFor(llvm::Value* v) {
if (llvm::ConstantExpr* ce = llvm::dyn_cast<llvm::ConstantExpr>(v)) {
llvm::PointerType* pt = llvm::dyn_cast<llvm::PointerType>(ce->getType());
if (ce->isCast() && ce->getOpcode() == llvm::Instruction::IntToPtr && pt) {
llvm::ConstantInt* addr_const = llvm::cast<llvm::ConstantInt>(ce->getOperand(0));
void* addr = (void*)addr_const->getSExtValue();
bool lookup_success = true;
std::string name;
if (addr == (void*)None) {
name = "None";
} else {
name = g.func_addr_registry.getFuncNameAtAddress(addr, true, &lookup_success);
}
if (!lookup_success)
return v;
return module->getOrInsertGlobal(name, pt->getElementType());
}
}
return v;
}
virtual llvm::Value* materializeValueFor(llvm::Value* v) {
if (llvm::ConstantExpr* ce = llvm::dyn_cast<llvm::ConstantExpr>(v)) {
llvm::PointerType* pt = llvm::dyn_cast<llvm::PointerType>(ce->getType());
if (ce->isCast() && ce->getOpcode() == llvm::Instruction::IntToPtr && pt) {
llvm::ConstantInt* addr_const = llvm::cast<llvm::ConstantInt>(ce->getOperand(0));
void* addr = (void*)addr_const->getSExtValue();
bool lookup_success = true;
std::string name;
if (addr == (void*)None) {
name = "None";
} else {
name = g.func_addr_registry.getFuncNameAtAddress(addr, true, &lookup_success);
}
if (!lookup_success)
return v;
return module->getOrInsertGlobal(name, pt->getElementType());
}
}
if (llvm::IntrinsicInst* ii = llvm::dyn_cast<llvm::IntrinsicInst>(v)) {
if (ii->getIntrinsicID() == llvm::Intrinsic::experimental_patchpoint_i64
|| ii->getIntrinsicID() == llvm::Intrinsic::experimental_patchpoint_void
|| ii->getIntrinsicID() == llvm::Intrinsic::experimental_patchpoint_double) {
int pp_id = -1;
for (int i = 0; i < ii->getNumArgOperands(); i++) {
llvm::Value* op = ii->getArgOperand(i);
if (i != 2) {
if (i == 0) {
llvm::ConstantInt* l_pp_id = llvm::cast<llvm::ConstantInt>(op);
pp_id = l_pp_id->getSExtValue();
}
ii->setArgOperand(i, llvm::MapValue(op, VMap, flags, type_remapper, this));
continue;
} else {
assert(pp_id != -1);
void* addr = PatchpointInfo::getSlowpathAddr(pp_id);
bool lookup_success = true;
std::string name;
if (addr == (void*)None) {
name = "None";
} else {
name = g.func_addr_registry.getFuncNameAtAddress(addr, true, &lookup_success);
}
if (!lookup_success) {
llvm::Constant* int_val
= llvm::ConstantInt::get(g.i64, reinterpret_cast<uintptr_t>(addr), false);
llvm::Constant* ptr_val = llvm::ConstantExpr::getIntToPtr(int_val, g.i8);
ii->setArgOperand(i, ptr_val);
continue;
} else {
ii->setArgOperand(i, module->getOrInsertGlobal(name, g.i8));
}
}
}
return ii;
}
}
return v;
}