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Add 128-bit integer support in tritonToLLVM #1410

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Merged
cnheitman merged 3 commits into from
Jul 22, 2025
Merged

Add 128-bit integer support in tritonToLLVM #1410

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dc834fd
Add 128-bit support in tritonToLLVM
ilyida Jul 1, 2025
dd71f08
Fix formatting
ilyida Jul 1, 2025
8facb3f
Bug fix for 128-bit integer support with LLVM
ilyida Jul 1, 2025
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33 changes: 26 additions & 7 deletions src/libtriton/ast/llvm/tritonToLLVM.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -62,8 +62,11 @@ namespace triton {
case 64:
argsType[index] = llvm::Type::getInt64Ty(this->llvmContext);
break;
case 128:
argsType[index] = llvm::Type::getInt128Ty(this->llvmContext);
break;
default:
throw triton::exceptions::AstLifting("TritonToLLVM::do_convert(): Symbolic variables must be aligned on 8, 16, 32 or 64 bit.");
throw triton::exceptions::AstLifting("TritonToLLVM::do_convert(): Symbolic variables must be aligned on 8, 16, 32, 64 or 128 bit.");
}
}

Expand Down Expand Up @@ -149,10 +152,11 @@ namespace triton {
case triton::ast::BSWAP_NODE: {
llvm::Function* bswap = nullptr;
switch (node->getBitvectorSize()) {
case triton::bitsize::byte: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt8Ty(this->llvmContext)); break;
case triton::bitsize::word: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt16Ty(this->llvmContext)); break;
case triton::bitsize::dword: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt32Ty(this->llvmContext)); break;
case triton::bitsize::qword: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt64Ty(this->llvmContext)); break;
case triton::bitsize::byte: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt8Ty(this->llvmContext)); break;
case triton::bitsize::word: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt16Ty(this->llvmContext)); break;
case triton::bitsize::dword: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt32Ty(this->llvmContext)); break;
case triton::bitsize::qword: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt64Ty(this->llvmContext)); break;
case triton::bitsize::dqword: bswap = llvm::Intrinsic::getDeclaration(this->llvmModule.get(), llvm::Intrinsic::bswap, llvm::Type::getInt128Ty(this->llvmContext)); break;
default:
throw triton::exceptions::AstLifting("TritonToLLVM::do_convert(): Invalid bswap size.");
}
Expand Down Expand Up @@ -257,8 +261,23 @@ namespace triton {
case triton::ast::BVXOR_NODE:
return this->llvmIR.CreateXor(children[0], children[1]);

case triton::ast::BV_NODE:
return llvm::ConstantInt::get(this->llvmContext, llvm::APInt(node->getBitvectorSize(), static_cast<uint64_t>(node->evaluate()), false));
case triton::ast::BV_NODE: {
auto value = node->evaluate();
auto bitSize = node->getBitvectorSize();
if (bitSize <= triton::bitsize::qword) {
return llvm::ConstantInt::get(this->llvmContext, llvm::APInt(bitSize, static_cast<uint64_t>(value), false));
}
else if (bitSize <= triton::bitsize::dqqword) {
std::array<uint64_t, 8> arr64;
for (uint64_t i = 0; i < bitSize / 64; i++) {
arr64[i] = static_cast<uint64_t>(value >> (i * 64));
}
return llvm::ConstantInt::get(this->llvmContext, llvm::APInt(bitSize, arr64));
}
else {
throw triton::exceptions::AstLifting("TritonToLLVM::do_convert(): Invalid bv size.");
}
}

case triton::ast::CONCAT_NODE: {
auto dstSize = node->getBitvectorSize();
Expand Down
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