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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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34
runtime/jit-rt/cpp-so/compile.cpp
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@ -29,6 +29,7 @@
#include "llvm/Bitcode/BitcodeReader.h"
#include "llvm/ExecutionEngine/JITSymbol.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Mangler.h"
#include "llvm/Linker/Linker.h"
#include "llvm/Support/raw_ostream.h"
@ -189,11 +190,33 @@ void generateBind(const Context &context, JITContext &jitContext,
if (funcToInline != nullptr) {
auto exampleFunc = getIrFunc(bindDesc.exampleFunc);
assert(exampleFunc != nullptr);
auto func = bindParamsToFunc(module, *funcToInline, *exampleFunc,
bindDesc.params,
[&](const std::string &str) {
auto errhandler = [&](const std::string &str) {
fatal(context, str);
});
};
auto overrideHandler =
[&](llvm::Type &type, const void* data, size_t size)->
llvm::Constant *{
if (type.isPointerTy()) {
auto ptype = llvm::cast<llvm::PointerType>(&type);
auto elemType = ptype->getElementType();
if (elemType->isFunctionTy()) {
(void)size;
assert(size == sizeof(void*));
auto val = *reinterpret_cast<void * const *>(data);
if (val != nullptr) {
auto ret = getIrFunc(val);
if (ret != nullptr && ret->getType() != &type) {
return llvm::ConstantExpr::getBitCast(ret, &type);
}
return ret;
}
}
}
return nullptr;
};
auto func = bindParamsToFunc(module, *funcToInline, *exampleFunc,
bindDesc.params, errhandler,
BindOverride(overrideHandler));
moduleInfo.addBindHandle(func->getName(), bindPtr);
} else {
// TODO: ignore for now, user must explicitly check BindPtr
@ -362,6 +385,9 @@ void rtCompileProcessImplSoInternal(const RtCompileModuleList *modlist_head,
JitFinaliser jitFinalizer(myJit);
interruptPoint(context, "Resolve functions");
for (auto &&fun : moduleInfo.functions()) {
if (fun.thunkVar == nullptr) {
continue;
}
auto decorated = decorate(fun.name, layout);
auto symbol = myJit.findSymbol(decorated);
auto addr = resolveSymbol(symbol);