llvm-project/mlir/lib/CAPI/ExecutionEngine/ExecutionEngine.cpp
Arthur Eubanks b0f7f6f78d [mlir] Remove uses of LLVM's legacy pass manager
Use the new pass manager.

This also removes the ability to run arbitrary sets of passes. Not sure if this functionality is used, but it doesn't seem to be tested.

No need to initialize passes outside of constructing the PassBuilder with the new pass manager.

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D123425
2022-04-11 16:18:45 -07:00

111 lines
4.1 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/ExecutionEngine/OptUtils.h"
#include "mlir/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.h"
#include "llvm/ExecutionEngine/Orc/Mangling.h"
#include "llvm/Support/TargetSelect.h"
using namespace mlir;
extern "C" MlirExecutionEngine
mlirExecutionEngineCreate(MlirModule op, int optLevel, int numPaths,
const MlirStringRef *sharedLibPaths) {
static bool initOnce = [] {
llvm::InitializeNativeTarget();
llvm::InitializeNativeTargetAsmParser(); // needed for inline_asm
llvm::InitializeNativeTargetAsmPrinter();
return true;
}();
(void)initOnce;
mlir::registerLLVMDialectTranslation(*unwrap(op)->getContext());
auto tmBuilderOrError = llvm::orc::JITTargetMachineBuilder::detectHost();
if (!tmBuilderOrError) {
llvm::errs() << "Failed to create a JITTargetMachineBuilder for the host\n";
return MlirExecutionEngine{nullptr};
}
auto tmOrError = tmBuilderOrError->createTargetMachine();
if (!tmOrError) {
llvm::errs() << "Failed to create a TargetMachine for the host\n";
return MlirExecutionEngine{nullptr};
}
SmallVector<StringRef> libPaths;
for (unsigned i = 0; i < static_cast<unsigned>(numPaths); ++i)
libPaths.push_back(sharedLibPaths[i].data);
// Create a transformer to run all LLVM optimization passes at the
// specified optimization level.
auto llvmOptLevel = static_cast<llvm::CodeGenOpt::Level>(optLevel);
auto transformer = mlir::makeOptimizingTransformer(
llvmOptLevel, /*sizeLevel=*/0, /*targetMachine=*/tmOrError->get());
ExecutionEngineOptions jitOptions;
jitOptions.transformer = transformer;
jitOptions.jitCodeGenOptLevel = llvmOptLevel;
jitOptions.sharedLibPaths = libPaths;
auto jitOrError = ExecutionEngine::create(unwrap(op), jitOptions);
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 *mlirExecutionEngineLookupPacked(MlirExecutionEngine jit,
MlirStringRef name) {
auto expectedFPtr = unwrap(jit)->lookupPacked(unwrap(name));
if (!expectedFPtr)
return nullptr;
return reinterpret_cast<void *>(*expectedFPtr);
}
extern "C" void *mlirExecutionEngineLookup(MlirExecutionEngine jit,
MlirStringRef name) {
auto expectedFPtr = unwrap(jit)->lookup(unwrap(name));
if (!expectedFPtr)
return nullptr;
return reinterpret_cast<void *>(*expectedFPtr);
}
extern "C" void mlirExecutionEngineRegisterSymbol(MlirExecutionEngine jit,
MlirStringRef name,
void *sym) {
unwrap(jit)->registerSymbols([&](llvm::orc::MangleAndInterner interner) {
llvm::orc::SymbolMap symbolMap;
symbolMap[interner(unwrap(name))] =
llvm::JITEvaluatedSymbol::fromPointer(sym);
return symbolMap;
});
}
extern "C" void mlirExecutionEngineDumpToObjectFile(MlirExecutionEngine jit,
MlirStringRef name) {
unwrap(jit)->dumpToObjectFile(unwrap(name));
}