llvm-project/mlir/lib/CAPI/ExecutionEngine/ExecutionEngine.cpp
Mehdi Amini 13cb431719 Add basic JIT Python Bindings
This offers the ability to create a JIT and invoke a function by passing
ctypes pointers to the argument and the result.

Differential Revision: https://reviews.llvm.org/D97523
2021-03-03 18:19:40 +00:00

57 lines
1.9 KiB
C++

//===- ExecutionEngine.cpp - C API for MLIR JIT ---------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "mlir-c/ExecutionEngine.h"
#include "mlir/CAPI/ExecutionEngine.h"
#include "mlir/CAPI/IR.h"
#include "mlir/CAPI/Support.h"
#include "mlir/Target/LLVMIR.h"
#include "llvm/Support/TargetSelect.h"
using namespace mlir;
extern "C" MlirExecutionEngine mlirExecutionEngineCreate(MlirModule op) {
static bool init_once = [] {
llvm::InitializeNativeTarget();
llvm::InitializeNativeTargetAsmPrinter();
return true;
}();
(void)init_once;
mlir::registerLLVMDialectTranslation(*unwrap(op)->getContext());
auto jitOrError = ExecutionEngine::create(unwrap(op));
if (!jitOrError) {
consumeError(jitOrError.takeError());
return MlirExecutionEngine{nullptr};
}
return wrap(jitOrError->release());
}
extern "C" void mlirExecutionEngineDestroy(MlirExecutionEngine jit) {
delete (unwrap(jit));
}
extern "C" MlirLogicalResult
mlirExecutionEngineInvokePacked(MlirExecutionEngine jit, MlirStringRef name,
void **arguments) {
const std::string ifaceName = ("_mlir_ciface_" + unwrap(name)).str();
llvm::Error error = unwrap(jit)->invokePacked(
ifaceName, MutableArrayRef<void *>{arguments, (size_t)0});
if (error)
return wrap(failure());
return wrap(success());
}
extern "C" void *mlirExecutionEngineLookup(MlirExecutionEngine jit,
MlirStringRef name) {
auto expectedFPtr = unwrap(jit)->lookup(unwrap(name));
if (!expectedFPtr)
return nullptr;
return reinterpret_cast<void *>(*expectedFPtr);
}