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Add em_asm intrinsic

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This commit is contained in:
hermansimensen 2023-08-03 13:29:04 +02:00
parent c8ca955e5b
commit 6bde23b75e
1 changed files with 45 additions and 3 deletions
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46
IDEHelper/Compiler/BfIRCodeGen.cpp
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@ -3076,10 +3076,52 @@ void BfIRCodeGen::HandleNextCmd()
{ {
case BfIRIntrinsic__PLATFORM: case BfIRIntrinsic__PLATFORM:
{ {
FatalError(StrFormat("Unable to find intrinsic '%s'", intrinsicData->mName.c_str())); if (intrinsicData->mName == "em_asm_internal")
{
llvm::StringRef strContent;
llvm::ConstantDataArray* dataArray;
if (const llvm::ConstantExpr* ce = llvm::dyn_cast<llvm::ConstantExpr>(args[0]))
{
llvm::Value* firstOperand = ce->getOperand(0);
if (llvm::GlobalVariable* gv = llvm::dyn_cast<llvm::GlobalVariable>(firstOperand))
{
if (gv->getType()->isPointerTy())
{
if (dataArray = llvm::dyn_cast<llvm::ConstantDataArray>(gv->getInitializer()))
{
strContent = dataArray->getAsString();
} }
break; }
}
}
else
FatalError("Value is not ConstantExpr");
auto charType = llvm::IntegerType::get(*mLLVMContext, 8);
std::vector<llvm::Constant*> chars(strContent.size());
for (unsigned int i = 0; i < strContent.size(); i++)
{
chars[i] = llvm::ConstantInt::get(charType, strContent[i]);;
}
chars.push_back(llvm::ConstantInt::get(charType, 0));
auto stringType = llvm::ArrayType::get(charType, chars.size());
auto globalVar = (llvm::GlobalVariable*)mLLVMModule->getOrInsertGlobal("", stringType);
globalVar->setSection("em_asm");
globalVar->setInitializer(llvm::ConstantArray::get(stringType, chars));
globalVar->setConstant(true);
globalVar->setLinkage(llvm::GlobalValue::LinkageTypes::ExternalLinkage);
globalVar->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global);
SetResult(curId, llvm::ConstantExpr::getBitCast(globalVar, charType->getPointerTo()));
break;
}
FatalError(StrFormat("Unable to find intrinsic '%s'", intrinsicData->mName.c_str()));
break;
}
case BfIRIntrinsic_Add: case BfIRIntrinsic_Add:
case BfIRIntrinsic_And: case BfIRIntrinsic_And:
case BfIRIntrinsic_Div: case BfIRIntrinsic_Div: