You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.9 KiB
81 lines
2.9 KiB
4 months ago
|
//===- TestSlicing.cpp - Testing slice functionality ----------------------===//
|
||
|
|
//
|
||
|
|
// 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
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// This file implements a simple testing pass for slicing.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "mlir/Analysis/SliceAnalysis.h"
|
||
|
|
#include "mlir/Dialect/Linalg/IR/LinalgOps.h"
|
||
|
|
#include "mlir/Dialect/StandardOps/IR/Ops.h"
|
||
|
|
#include "mlir/IR/BlockAndValueMapping.h"
|
||
|
|
#include "mlir/IR/BuiltinOps.h"
|
||
|
|
#include "mlir/IR/PatternMatch.h"
|
||
|
|
#include "mlir/Pass/Pass.h"
|
||
|
|
#include "mlir/Support/LLVM.h"
|
||
|
|
|
||
|
|
using namespace mlir;
|
||
|
|
|
||
|
|
/// Create a function with the same signature as the parent function of `op`
|
||
|
|
/// with name being the function name and a `suffix`.
|
||
|
|
static LogicalResult createBackwardSliceFunction(Operation *op,
|
||
|
|
StringRef suffix) {
|
||
|
|
FuncOp parentFuncOp = op->getParentOfType<FuncOp>();
|
||
|
|
OpBuilder builder(parentFuncOp);
|
||
|
|
Location loc = op->getLoc();
|
||
|
|
std::string clonedFuncOpName = parentFuncOp.getName().str() + suffix.str();
|
||
|
|
FuncOp clonedFuncOp =
|
||
|
|
builder.create<FuncOp>(loc, clonedFuncOpName, parentFuncOp.getType());
|
||
|
|
BlockAndValueMapping mapper;
|
||
|
|
builder.setInsertionPointToEnd(clonedFuncOp.addEntryBlock());
|
||
|
|
for (auto arg : enumerate(parentFuncOp.getArguments()))
|
||
|
|
mapper.map(arg.value(), clonedFuncOp.getArgument(arg.index()));
|
||
|
|
llvm::SetVector<Operation *> slice;
|
||
|
|
getBackwardSlice(op, &slice);
|
||
|
|
for (Operation *slicedOp : slice)
|
||
|
|
builder.clone(*slicedOp, mapper);
|
||
|
|
builder.create<ReturnOp>(loc);
|
||
|
|
return success();
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
/// Pass to test slice generated from slice analysis.
|
||
|
|
struct SliceAnalysisTestPass
|
||
|
|
: public PassWrapper<SliceAnalysisTestPass, OperationPass<ModuleOp>> {
|
||
|
|
void runOnOperation() override;
|
||
|
|
SliceAnalysisTestPass() = default;
|
||
|
|
SliceAnalysisTestPass(const SliceAnalysisTestPass &) {}
|
||
|
|
};
|
||
|
|
} // namespace
|
||
|
|
|
||
|
|
void SliceAnalysisTestPass::runOnOperation() {
|
||
|
|
ModuleOp module = getOperation();
|
||
|
|
auto funcOps = module.getOps<FuncOp>();
|
||
|
|
unsigned opNum = 0;
|
||
|
|
for (auto funcOp : funcOps) {
|
||
|
|
// TODO: For now this is just looking for Linalg ops. It can be generalized
|
||
|
|
// to look for other ops using flags.
|
||
|
|
funcOp.walk([&](Operation *op) {
|
||
|
|
if (!isa<linalg::LinalgOp>(op))
|
||
|
|
return WalkResult::advance();
|
||
|
|
std::string append =
|
||
|
|
std::string("__backward_slice__") + std::to_string(opNum);
|
||
|
|
createBackwardSliceFunction(op, append);
|
||
|
|
opNum++;
|
||
|
|
return WalkResult::advance();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace mlir {
|
||
|
|
void registerSliceAnalysisTestPass() {
|
||
|
|
PassRegistration<SliceAnalysisTestPass> pass(
|
||
|
|
"slice-analysis-test", "Test Slice analysis functionality.");
|
||
|
|
}
|
||
|
|
} // namespace mlir
|