5e0de68626
These are identified by misc-include-cleaner. I've filtered out those that break builds. Also, I'm staying away from llvm-config.h, config.h, and Compiler.h, which likely cause platform- or compiler-specific build failures.
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
//===- InferEffects.cpp - Infer memory effects for named symbols ----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Dialect/Transform/IR/TransformDialect.h"
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#include "mlir/Dialect/Transform/Transforms/Passes.h"
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#include "mlir/Dialect/Transform/Interfaces/TransformInterfaces.h"
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#include "mlir/IR/Visitors.h"
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#include "mlir/Interfaces/FunctionInterfaces.h"
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#include "llvm/ADT/DenseSet.h"
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using namespace mlir;
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namespace mlir {
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namespace transform {
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#define GEN_PASS_DEF_INFEREFFECTSPASS
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#include "mlir/Dialect/Transform/Transforms/Passes.h.inc"
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} // namespace transform
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} // namespace mlir
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static LogicalResult inferSideEffectAnnotations(Operation *op) {
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if (!isa<transform::TransformOpInterface>(op))
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return success();
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auto func = dyn_cast<FunctionOpInterface>(op);
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if (!func || func.isExternal())
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return success();
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if (!func.getFunctionBody().hasOneBlock()) {
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return op->emitError()
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<< "only single-block operations are currently supported";
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}
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// Note that there can't be an inclusion of an unannotated symbol because it
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// wouldn't have passed the verifier, so recursion isn't necessary here.
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llvm::SmallDenseSet<unsigned> consumedArguments;
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transform::getConsumedBlockArguments(func.getFunctionBody().front(),
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consumedArguments);
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for (unsigned i = 0, e = func.getNumArguments(); i < e; ++i) {
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func.setArgAttr(i,
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consumedArguments.contains(i)
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? transform::TransformDialect::kArgConsumedAttrName
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: transform::TransformDialect::kArgReadOnlyAttrName,
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UnitAttr::get(op->getContext()));
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}
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return success();
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}
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namespace {
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class InferEffectsPass
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: public transform::impl::InferEffectsPassBase<InferEffectsPass> {
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public:
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void runOnOperation() override {
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WalkResult result = getOperation()->walk([](Operation *op) {
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return failed(inferSideEffectAnnotations(op)) ? WalkResult::interrupt()
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: WalkResult::advance();
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});
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if (result.wasInterrupted())
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return signalPassFailure();
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}
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};
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} // namespace
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