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optimize bind functions

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This commit is contained in:
Ivan 2018-06-03 02:41:28 +03:00
parent eb211c899a
commit 0c8c8e8067
4 changed files with 141 additions and 14 deletions
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26
runtime/jit-rt/cpp-so/bind.cpp
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@ -71,25 +71,29 @@ llvm::Function *createBindFunc(llvm::Module &module,
llvm::Value *allocParam(
llvm::IRBuilder<> &builder, llvm::Type &srcType, const
llvm::DataLayout &layout, const ParamSlice& param,
llvm::function_ref<void(const std::string &)> errHandler) {
llvm::function_ref<void(const std::string &)> errHandler,
const BindOverride &override) {
if (param.type == ParamType::Aggregate && srcType.isPointerTy()) {
auto elemType = llvm::cast<llvm::PointerType>(&srcType)->getElementType();
auto stackArg = builder.CreateAlloca(elemType);
stackArg->setAlignment(layout.getABITypeAlignment(elemType));
auto init = parseInitializer(layout, *elemType, param.data, errHandler);
auto init = parseInitializer(layout, *elemType, param.data, errHandler,
override);
builder.CreateStore(init, stackArg);
return stackArg;
}
auto stackArg = builder.CreateAlloca(&srcType);
stackArg->setAlignment(layout.getABITypeAlignment(&srcType));
auto init = parseInitializer(layout, srcType, param.data, errHandler);
auto init = parseInitializer(layout, srcType, param.data, errHandler,
override);
builder.CreateStore(init, stackArg);
return builder.CreateLoad(stackArg);
}
void doBind(llvm::Module &module, llvm::Function &dstFunc,
llvm::Function &srcFunc, const llvm::ArrayRef<ParamSlice> &params,
llvm::function_ref<void(const std::string &)> errHandler) {
llvm::function_ref<void(const std::string &)> errHandler,
const BindOverride &override) {
auto& context = dstFunc.getContext();
auto bb = llvm::BasicBlock::Create(context, "", &dstFunc);
@ -107,7 +111,7 @@ void doBind(llvm::Module &module, llvm::Function &dstFunc,
++currentArg;
} else {
auto type = funcType->getParamType(static_cast<unsigned>(i));
arg = allocParam(builder, *type, layout, param, errHandler);
arg = allocParam(builder, *type, layout, param, errHandler, override);
}
assert(arg != nullptr);
args.push_back(arg);
@ -115,6 +119,10 @@ void doBind(llvm::Module &module, llvm::Function &dstFunc,
assert(currentArg == dstFunc.arg_end());
auto ret = builder.CreateCall(&srcFunc, args);
if (!srcFunc.isDeclaration()) {
ret->addAttribute(llvm::AttributeList::FunctionIndex,
llvm::Attribute::AlwaysInline);
}
ret->setCallingConv(srcFunc.getCallingConv());
ret->setAttributes(srcFunc.getAttributes());
if (dstFunc.getReturnType()->isVoidTy()) {
@ -125,14 +133,14 @@ void doBind(llvm::Module &module, llvm::Function &dstFunc,
}
}
llvm::Function *bindParamsToFunc(
llvm::Module &module, llvm::Function &srcFunc, llvm::Function &exampleFunc,
llvm::Function *bindParamsToFunc(llvm::Module &module, llvm::Function &srcFunc, llvm::Function &exampleFunc,
const llvm::ArrayRef<ParamSlice> &params,
llvm::function_ref<void(const std::string &)> errHandler) {
llvm::function_ref<void(const std::string &)> errHandler,
const BindOverride &override) {
auto srcType = srcFunc.getFunctionType();
auto dstType = getDstFuncType(*srcType, params);
auto newFunc = createBindFunc(module, srcFunc, exampleFunc, *dstType, params);
doBind(module, *newFunc, srcFunc, params, errHandler);
doBind(module, *newFunc, srcFunc, params, errHandler, override);
return newFunc;
}