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//===- Intrinsics.cpp - MLIR Operations for Declarative Builders ----------===//
//
// Copyright 2019 The MLIR Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// =============================================================================
#include "mlir/EDSC/Intrinsics.h"
#include "mlir/EDSC/Builders.h"
#include "mlir/IR/AffineExpr.h"
using namespace mlir;
using namespace mlir::edsc;
OperationHandle mlir::edsc::intrinsics::br(BlockHandle bh,
ArrayRef<ValueHandle> operands) {
assert(bh && "Expected already captured BlockHandle");
for (auto &o : operands) {
(void)o;
assert(o && "Expected already captured ValueHandle");
}
SmallVector<ValuePtr, 4> ops(operands.begin(), operands.end());
return OperationHandle::create<BranchOp>(bh.getBlock(), ops);
}
static void enforceEmptyCapturesMatchOperands(ArrayRef<ValueHandle *> captures,
ArrayRef<ValueHandle> operands) {
assert(captures.size() == operands.size() &&
"Expected same number of captures as operands");
for (auto it : llvm::zip(captures, operands)) {
(void)it;
assert(!std::get<0>(it)->hasValue() &&
"Unexpected already captured ValueHandle");
assert(std::get<1>(it) && "Expected already captured ValueHandle");
assert(std::get<0>(it)->getType() == std::get<1>(it).getType() &&
"Expected the same type for capture and operand");
}
}
OperationHandle mlir::edsc::intrinsics::br(BlockHandle *bh,
ArrayRef<ValueHandle *> captures,
ArrayRef<ValueHandle> operands) {
assert(!*bh && "Unexpected already captured BlockHandle");
enforceEmptyCapturesMatchOperands(captures, operands);
BlockBuilder(bh, captures)(/* no body */);
SmallVector<ValuePtr, 4> ops(operands.begin(), operands.end());
return OperationHandle::create<BranchOp>(bh->getBlock(), ops);
}
OperationHandle
mlir::edsc::intrinsics::cond_br(ValueHandle cond, BlockHandle trueBranch,
ArrayRef<ValueHandle> trueOperands,
BlockHandle falseBranch,
ArrayRef<ValueHandle> falseOperands) {
SmallVector<ValuePtr, 4> trueOps(trueOperands.begin(), trueOperands.end());
SmallVector<ValuePtr, 4> falseOps(falseOperands.begin(), falseOperands.end());
return OperationHandle::create<CondBranchOp>(
cond, trueBranch.getBlock(), trueOps, falseBranch.getBlock(), falseOps);
}
OperationHandle mlir::edsc::intrinsics::cond_br(
ValueHandle cond, BlockHandle *trueBranch,
ArrayRef<ValueHandle *> trueCaptures, ArrayRef<ValueHandle> trueOperands,
BlockHandle *falseBranch, ArrayRef<ValueHandle *> falseCaptures,
ArrayRef<ValueHandle> falseOperands) {
assert(!*trueBranch && "Unexpected already captured BlockHandle");
assert(!*falseBranch && "Unexpected already captured BlockHandle");
enforceEmptyCapturesMatchOperands(trueCaptures, trueOperands);
enforceEmptyCapturesMatchOperands(falseCaptures, falseOperands);
BlockBuilder(trueBranch, trueCaptures)(/* no body */);
BlockBuilder(falseBranch, falseCaptures)(/* no body */);
SmallVector<ValuePtr, 4> trueOps(trueOperands.begin(), trueOperands.end());
SmallVector<ValuePtr, 4> falseOps(falseOperands.begin(), falseOperands.end());
return OperationHandle::create<CondBranchOp>(
cond, trueBranch->getBlock(), trueOps, falseBranch->getBlock(), falseOps);
}
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