Files
concrete/compiler/lib/Support/Pipeline.cpp
2022-06-09 09:19:06 +01:00

303 lines
11 KiB
C++

// Part of the Concrete Compiler Project, under the BSD3 License with Zama
// Exceptions. See
// https://github.com/zama-ai/concrete-compiler-internal/blob/main/LICENSE.txt
// for license information.
#include <llvm/Support/TargetSelect.h>
#include <llvm/Support/Error.h>
#include <mlir/Conversion/Passes.h>
#include <mlir/Dialect/Linalg/Passes.h>
#include <mlir/Dialect/SCF/Passes.h>
#include <mlir/Dialect/StandardOps/Transforms/Passes.h>
#include <mlir/Dialect/Tensor/Transforms/Passes.h>
#include <mlir/ExecutionEngine/OptUtils.h>
#include <mlir/Pass/PassManager.h>
#include <mlir/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.h>
#include <mlir/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.h>
#include <mlir/Target/LLVMIR/Export.h>
#include <mlir/Transforms/Passes.h>
#include <concretelang/Conversion/Passes.h>
#include <concretelang/Dialect/Concrete/Transforms/Optimization.h>
#include <concretelang/Dialect/FHE/Analysis/MANP.h>
#include <concretelang/Dialect/FHELinalg/Transforms/Tiling.h>
#include <concretelang/Dialect/RT/Analysis/Autopar.h>
#include <concretelang/Support/Pipeline.h>
#include <concretelang/Support/logging.h>
#include <concretelang/Support/math.h>
#include <concretelang/Transforms/Bufferize.h>
namespace mlir {
namespace concretelang {
namespace pipeline {
static void pipelinePrinting(llvm::StringRef name, mlir::PassManager &pm,
mlir::MLIRContext &ctx) {
if (mlir::concretelang::isVerbose()) {
mlir::concretelang::log_verbose()
<< "##################################################\n"
<< "### " << name << " pipeline\n";
auto isModule = [](mlir::Pass *, mlir::Operation *op) {
return mlir::isa<mlir::ModuleOp>(op);
};
ctx.disableMultithreading(true);
pm.enableIRPrinting(isModule, isModule);
pm.enableStatistics();
pm.enableTiming();
pm.enableVerifier();
}
}
static void
addPotentiallyNestedPass(mlir::PassManager &pm, std::unique_ptr<Pass> pass,
std::function<bool(mlir::Pass *)> enablePass) {
if (!enablePass(pass.get())) {
return;
}
if (!pass->getOpName() || *pass->getOpName() == "builtin.module") {
pm.addPass(std::move(pass));
} else {
mlir::OpPassManager &p = pm.nest(*pass->getOpName());
p.addPass(std::move(pass));
}
}
llvm::Expected<llvm::Optional<mlir::concretelang::V0FHEConstraint>>
getFHEConstraintsFromFHE(mlir::MLIRContext &context, mlir::ModuleOp &module,
std::function<bool(mlir::Pass *)> enablePass) {
llvm::Optional<size_t> oMax2norm;
llvm::Optional<size_t> oMaxWidth;
mlir::PassManager pm(&context);
pipelinePrinting("ComputeFHEConstraintOnFHE", pm, context);
addPotentiallyNestedPass(pm, mlir::createCanonicalizerPass(), enablePass);
addPotentiallyNestedPass(pm, mlir::concretelang::createMANPPass(),
enablePass);
addPotentiallyNestedPass(
pm,
mlir::concretelang::createMaxMANPPass([&](const llvm::APInt &currMaxMANP,
unsigned currMaxWidth) {
assert((uint64_t)currMaxWidth < std::numeric_limits<size_t>::max() &&
"Maximum width does not fit into size_t");
assert(sizeof(uint64_t) >= sizeof(size_t) &&
currMaxMANP.ult(std::numeric_limits<size_t>::max()) &&
"Maximum MANP does not fit into size_t");
size_t manp = (size_t)currMaxMANP.getZExtValue();
size_t width = (size_t)currMaxWidth;
if (!oMax2norm.hasValue() || oMax2norm.getValue() < manp)
oMax2norm.emplace(manp);
if (!oMaxWidth.hasValue() || oMaxWidth.getValue() < width)
oMaxWidth.emplace(width);
}),
enablePass);
if (pm.run(module.getOperation()).failed()) {
return llvm::make_error<llvm::StringError>(
"Failed to determine the maximum Arithmetic Noise Padding and maximum"
"required precision",
llvm::inconvertibleErrorCode());
}
llvm::Optional<mlir::concretelang::V0FHEConstraint> ret;
if (oMax2norm.hasValue() && oMaxWidth.hasValue()) {
ret = llvm::Optional<mlir::concretelang::V0FHEConstraint>(
{/*.norm2 = */ ceilLog2(oMax2norm.getValue()),
/*.p = */ oMaxWidth.getValue()});
}
return ret;
}
mlir::LogicalResult autopar(mlir::MLIRContext &context, mlir::ModuleOp &module,
std::function<bool(mlir::Pass *)> enablePass) {
mlir::PassManager pm(&context);
pipelinePrinting("AutoPar", pm, context);
addPotentiallyNestedPass(
pm, mlir::concretelang::createBuildDataflowTaskGraphPass(), enablePass);
return pm.run(module.getOperation());
}
mlir::LogicalResult
tileMarkedFHELinalg(mlir::MLIRContext &context, mlir::ModuleOp &module,
std::function<bool(mlir::Pass *)> enablePass) {
mlir::PassManager pm(&context);
pipelinePrinting("TileMarkedFHELinalg", pm, context);
addPotentiallyNestedPass(pm, mlir::concretelang::createFHELinalgTilingPass(),
enablePass);
return pm.run(module.getOperation());
}
mlir::LogicalResult
markFHELinalgForTiling(mlir::MLIRContext &context, mlir::ModuleOp &module,
llvm::ArrayRef<int64_t> tileSizes,
std::function<bool(mlir::Pass *)> enablePass) {
mlir::PassManager pm(&context);
pipelinePrinting("MarkFHELinalgForTiling", pm, context);
addPotentiallyNestedPass(pm, createFHELinalgTilingMarkerPass(tileSizes),
enablePass);
return pm.run(module.getOperation());
}
mlir::LogicalResult
lowerFHEToTFHE(mlir::MLIRContext &context, mlir::ModuleOp &module,
std::function<bool(mlir::Pass *)> enablePass) {
mlir::PassManager pm(&context);
pipelinePrinting("FHEToTFHE", pm, context);
addPotentiallyNestedPass(
pm, mlir::concretelang::createConvertFHETensorOpsToLinalg(), enablePass);
// FHETensorOpsToLinalg does generate linalg named ops that need to be lowered
// to linalg.generic operations
addPotentiallyNestedPass(pm, mlir::createLinalgGeneralizationPass(),
enablePass);
addPotentiallyNestedPass(pm, mlir::concretelang::createConvertFHEToTFHEPass(),
enablePass);
return pm.run(module.getOperation());
}
mlir::LogicalResult
lowerTFHEToConcrete(mlir::MLIRContext &context, mlir::ModuleOp &module,
llvm::Optional<V0FHEContext> &fheContext,
std::function<bool(mlir::Pass *)> enablePass) {
mlir::PassManager pm(&context);
pipelinePrinting("TFHEToConcrete", pm, context);
if (fheContext.hasValue()) {
addPotentiallyNestedPass(
pm,
mlir::concretelang::createConvertTFHEGlobalParametrizationPass(
fheContext.getValue()),
enablePass);
}
addPotentiallyNestedPass(
pm, mlir::concretelang::createConvertTFHEToConcretePass(), enablePass);
return pm.run(module.getOperation());
}
mlir::LogicalResult
optimizeConcrete(mlir::MLIRContext &context, mlir::ModuleOp &module,
std::function<bool(mlir::Pass *)> enablePass) {
mlir::PassManager pm(&context);
pipelinePrinting("ConcreteOptimization", pm, context);
addPotentiallyNestedPass(
pm, mlir::concretelang::createConcreteOptimizationPass(), enablePass);
return pm.run(module.getOperation());
}
mlir::LogicalResult
lowerConcreteToBConcrete(mlir::MLIRContext &context, mlir::ModuleOp &module,
std::function<bool(mlir::Pass *)> enablePass,
bool parallelizeLoops) {
mlir::PassManager pm(&context);
pipelinePrinting("ConcreteToBConcrete", pm, context);
addPotentiallyNestedPass(
pm,
mlir::concretelang::createConvertConcreteToBConcretePass(
parallelizeLoops),
enablePass);
return pm.run(module.getOperation());
}
mlir::LogicalResult
lowerBConcreteToStd(mlir::MLIRContext &context, mlir::ModuleOp &module,
std::function<bool(mlir::Pass *)> enablePass) {
mlir::PassManager pm(&context);
pipelinePrinting("BConcreteToStd", pm, context);
addPotentiallyNestedPass(
pm, mlir::concretelang::createConvertBConcreteToBConcreteCAPIPass(),
enablePass);
return pm.run(module.getOperation());
}
mlir::LogicalResult
lowerStdToLLVMDialect(mlir::MLIRContext &context, mlir::ModuleOp &module,
std::function<bool(mlir::Pass *)> enablePass,
bool parallelizeLoops) {
mlir::PassManager pm(&context);
pipelinePrinting("StdToLLVM", pm, context);
// Bufferize
addPotentiallyNestedPass(pm, mlir::createTensorConstantBufferizePass(),
enablePass);
addPotentiallyNestedPass(pm, mlir::createStdBufferizePass(), enablePass);
addPotentiallyNestedPass(pm, mlir::createTensorBufferizePass(), enablePass);
addPotentiallyNestedPass(pm, mlir::createLinalgBufferizePass(), enablePass);
if (parallelizeLoops)
addPotentiallyNestedPass(pm, mlir::createConvertLinalgToParallelLoopsPass(),
enablePass);
else
addPotentiallyNestedPass(pm, mlir::createConvertLinalgToLoopsPass(),
enablePass);
addPotentiallyNestedPass(pm, mlir::createSCFBufferizePass(), enablePass);
addPotentiallyNestedPass(pm, mlir::createFuncBufferizePass(), enablePass);
addPotentiallyNestedPass(
pm, mlir::concretelang::createBufferizeDataflowTaskOpsPass(), enablePass);
addPotentiallyNestedPass(
pm, mlir::concretelang::createFinalizingBufferizePass(), enablePass);
addPotentiallyNestedPass(pm, mlir::createBufferDeallocationPass(),
enablePass);
if (parallelizeLoops)
addPotentiallyNestedPass(pm, mlir::createConvertSCFToOpenMPPass(),
enablePass);
// Lower affine
addPotentiallyNestedPass(pm, mlir::createLowerAffinePass(), enablePass);
// Lower Dataflow tasks to DRF
addPotentiallyNestedPass(
pm, mlir::concretelang::createFixupDataflowTaskOpsPass(), enablePass);
addPotentiallyNestedPass(
pm, mlir::concretelang::createLowerDataflowTasksPass(), enablePass);
addPotentiallyNestedPass(pm, mlir::createLowerToCFGPass(), enablePass);
// Convert to MLIR LLVM Dialect
addPotentiallyNestedPass(
pm, mlir::concretelang::createConvertMLIRLowerableDialectsToLLVMPass(),
enablePass);
return pm.run(module);
}
std::unique_ptr<llvm::Module>
lowerLLVMDialectToLLVMIR(mlir::MLIRContext &context,
llvm::LLVMContext &llvmContext,
mlir::ModuleOp &module) {
llvm::InitializeNativeTarget();
llvm::InitializeNativeTargetAsmPrinter();
mlir::registerLLVMDialectTranslation(*module->getContext());
mlir::registerOpenMPDialectTranslation(*module->getContext());
return mlir::translateModuleToLLVMIR(module, llvmContext);
}
mlir::LogicalResult optimizeLLVMModule(llvm::LLVMContext &llvmContext,
llvm::Module &module) {
std::function<llvm::Error(llvm::Module *)> optPipeline =
mlir::makeOptimizingTransformer(3, 0, nullptr);
if (optPipeline(&module))
return mlir::failure();
else
return mlir::success();
}
} // namespace pipeline
} // namespace concretelang
} // namespace mlir