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Utilize llvm.getelementptr to express list accessor #196

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Merged
merged 5 commits into from
Mar 9, 2025
Merged

Utilize llvm.getelementptr to express list accessor #196

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vla5924 Mar 8, 2025
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vla5924 Mar 8, 2025
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vla5924 Mar 8, 2025
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Merge remote-tracking branch 'origin/main' into mv/list-support
vla5924 Mar 9, 2025
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Merge remote-tracking branch 'origin/main' into mv/list-support
vla5924 Mar 9, 2025
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26 changes: 21 additions & 5 deletions compiler/lib/codegen/optree_to_llvmir/llvmir_generator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
using namespace optree;
using namespace optree::llvmir_generator;

// NOLINTBEGIN(readability-avoid-return-with-void-value)
namespace {

namespace external {
Expand Down Expand Up @@ -342,20 +343,33 @@ void LLVMIRGenerator::visit(const LogicUnaryOp &op) {
}

void LLVMIRGenerator::visit(const AllocateOp &op) {
const auto &pointee = op.result()->type->as<PointerType>().pointee;
auto *llvmType = convertType(pointee);
auto *inst = builder.CreateAlloca(llvmType);
const auto &type = op.result()->type->as<PointerType>();
auto *llvmType = convertType(type.pointee);
llvm::Value *size = nullptr;
if (type.numElements > 1U)
size = llvm::ConstantInt::get(llvm::Type::getIntNTy(context, 64U), type.numElements);
auto *inst = builder.CreateAlloca(llvmType, size);
saveValue(op.result(), inst);
typedValues[inst] = llvmType;
}

void LLVMIRGenerator::visit(const LoadOp &op) {
auto *ptr = findValue(op.src());
saveValue(op.result(), builder.CreateLoad(typedValues[ptr], ptr));
auto *type = typedValues[ptr];
if (auto offset = op.offset()) {
auto *index = findValue(offset);
ptr = builder.CreateGEP(type, ptr, index);
}
saveValue(op.result(), builder.CreateLoad(type, ptr));
}

void LLVMIRGenerator::visit(const StoreOp &op) {
builder.CreateStore(findValue(op.valueToStore()), findValue(op.dst()));
auto *ptr = findValue(op.dst());
if (auto offset = op.offset()) {
auto *index = findValue(offset);
ptr = builder.CreateGEP(typedValues[ptr], ptr, index);
}
builder.CreateStore(findValue(op.valueToStore()), ptr);
}

void LLVMIRGenerator::visit(const IfOp &op) {
Expand Down Expand Up @@ -468,3 +482,5 @@ void LLVMIRGenerator::dumpToFile(const std::string &filename) const {
dump(os);
os.close();
}

// NOLINTEND(readability-avoid-return-with-void-value)