308571074c
This is an artifact from merging MLIR into LLVM, the file headers are now aligned with the rest of the project.
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
//===- RemoveInstrumentationPass.cpp - Removes instrumentation ------------===//
|
|
//
|
|
// 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 defines a pass to remove any instrumentation ops. It is often one
|
|
// of the final steps when performing quantization and is run after any
|
|
// decisions requiring instrumentation have been made.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "mlir/Dialect/QuantOps/QuantOps.h"
|
|
#include "mlir/IR/MLIRContext.h"
|
|
#include "mlir/IR/PatternMatch.h"
|
|
#include "mlir/Pass/Pass.h"
|
|
#include "mlir/Quantizer/Transforms/Passes.h"
|
|
|
|
using namespace mlir;
|
|
using namespace mlir::quantizer;
|
|
using namespace mlir::quant;
|
|
|
|
namespace {
|
|
|
|
class RemoveInstrumentationPass
|
|
: public FunctionPass<RemoveInstrumentationPass> {
|
|
void runOnFunction() override;
|
|
};
|
|
|
|
template <typename OpTy>
|
|
class RemoveIdentityOpRewrite : public RewritePattern {
|
|
public:
|
|
RemoveIdentityOpRewrite(MLIRContext *context)
|
|
: RewritePattern(OpTy::getOperationName(), 1, context) {}
|
|
|
|
PatternMatchResult matchAndRewrite(Operation *op,
|
|
PatternRewriter &rewriter) const override {
|
|
assert(op->getNumOperands() == 1);
|
|
assert(op->getNumResults() == 1);
|
|
|
|
rewriter.replaceOp(op, op->getOperand(0));
|
|
return matchSuccess();
|
|
}
|
|
};
|
|
|
|
} // end anonymous namespace
|
|
|
|
void RemoveInstrumentationPass::runOnFunction() {
|
|
OwningRewritePatternList patterns;
|
|
auto func = getFunction();
|
|
auto *context = &getContext();
|
|
patterns.insert<RemoveIdentityOpRewrite<StatisticsOp>,
|
|
RemoveIdentityOpRewrite<StatisticsRefOp>,
|
|
RemoveIdentityOpRewrite<CoupledRefOp>>(context);
|
|
applyPatternsGreedily(func, patterns);
|
|
}
|
|
|
|
std::unique_ptr<OpPassBase<FuncOp>>
|
|
mlir::quantizer::createRemoveInstrumentationPass() {
|
|
return std::make_unique<RemoveInstrumentationPass>();
|
|
}
|
|
|
|
static PassRegistration<RemoveInstrumentationPass>
|
|
pass("quantizer-remove-instrumentation",
|
|
"Removes instrumentation and hints which have no effect on final "
|
|
"execution");
|