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8b6bc09f48
We do some limited renaming here but define an alias for OperationInst so that a follow up cl can solely perform the large scale renaming. PiperOrigin-RevId: 221726963
116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
//===- SSAValue.cpp - MLIR SSAValue Classes ------------===//
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//
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// Copyright 2019 The MLIR Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// =============================================================================
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#include "mlir/IR/SSAValue.h"
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#include "mlir/IR/CFGFunction.h"
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#include "mlir/IR/Instructions.h"
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#include "mlir/IR/MLFunction.h"
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#include "mlir/IR/Statements.h"
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using namespace mlir;
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/// If this value is the result of an Instruction, return the instruction
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/// that defines it.
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Instruction *SSAValue::getDefiningInst() {
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if (auto *result = dyn_cast<InstResult>(this))
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return result->getOwner();
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return nullptr;
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}
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/// If this value is the result of an OperationStmt, return the statement
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/// that defines it.
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OperationStmt *SSAValue::getDefiningStmt() {
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if (auto *result = dyn_cast<StmtResult>(this))
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return result->getOwner();
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return nullptr;
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}
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Operation *SSAValue::getDefiningOperation() {
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if (auto *inst = getDefiningInst())
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return inst;
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if (auto *stmt = getDefiningStmt())
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return stmt;
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return nullptr;
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}
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/// Return the function that this SSAValue is defined in.
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Function *SSAValue::getFunction() {
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switch (getKind()) {
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case SSAValueKind::BBArgument:
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return cast<BBArgument>(this)->getFunction();
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case SSAValueKind::InstResult:
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return getDefiningInst()->getFunction();
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case SSAValueKind::MLFuncArgument:
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return cast<MLFuncArgument>(this)->getFunction();
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case SSAValueKind::StmtResult:
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return getDefiningStmt()->findFunction();
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case SSAValueKind::ForStmt:
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return cast<ForStmt>(this)->findFunction();
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}
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}
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//===----------------------------------------------------------------------===//
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// IROperandOwner implementation.
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//===----------------------------------------------------------------------===//
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/// Return the context this operation is associated with.
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MLIRContext *IROperandOwner::getContext() const {
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switch (getKind()) {
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case Kind::OperationStmt:
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return cast<OperationStmt>(this)->getContext();
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case Kind::ForStmt:
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return cast<ForStmt>(this)->getContext();
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case Kind::IfStmt:
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return cast<IfStmt>(this)->getContext();
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case Kind::Instruction:
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// If we have an instruction, we can efficiently get this from the function
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// the instruction is in.
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auto *fn = cast<Instruction>(this)->getFunction();
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return fn ? fn->getContext() : nullptr;
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}
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}
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//===----------------------------------------------------------------------===//
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// CFGValue implementation.
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//===----------------------------------------------------------------------===//
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/// Return the function that this CFGValue is defined in.
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CFGFunction *CFGValue::getFunction() {
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return cast<CFGFunction>(static_cast<SSAValue *>(this)->getFunction());
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}
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//===----------------------------------------------------------------------===//
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// BBArgument implementation.
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//===----------------------------------------------------------------------===//
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/// Return the function that this argument is defined in.
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CFGFunction *BBArgument::getFunction() {
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if (auto *owner = getOwner())
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return owner->getFunction();
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return nullptr;
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}
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//===----------------------------------------------------------------------===//
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// MLValue implementation.
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//===----------------------------------------------------------------------===//
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/// Return the function that this MLValue is defined in.
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MLFunction *MLValue::getFunction() {
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return cast<MLFunction>(static_cast<SSAValue *>(this)->getFunction());
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}
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