bolt/deps/llvm-18.1.8/mlir/unittests/Dialect/SCF/LoopLikeSCFOpsTest.cpp
2025-02-14 19:21:04 +01:00

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//===- LoopLikeSCFOpsTest.cpp - SCF LoopLikeOpInterface Tests -------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/SCF/IR/SCF.h"
#include "mlir/IR/Diagnostics.h"
#include "mlir/IR/MLIRContext.h"
#include "mlir/IR/OwningOpRef.h"
#include "gtest/gtest.h"
using namespace mlir;
using namespace mlir::scf;
//===----------------------------------------------------------------------===//
// Test Fixture
//===----------------------------------------------------------------------===//
class SCFLoopLikeTest : public ::testing::Test {
protected:
SCFLoopLikeTest() : b(&context), loc(UnknownLoc::get(&context)) {
context.loadDialect<arith::ArithDialect, scf::SCFDialect>();
}
void checkUnidimensional(LoopLikeOpInterface loopLikeOp) {
std::optional<OpFoldResult> maybeLb = loopLikeOp.getSingleLowerBound();
EXPECT_TRUE(maybeLb.has_value());
std::optional<OpFoldResult> maybeUb = loopLikeOp.getSingleUpperBound();
EXPECT_TRUE(maybeUb.has_value());
std::optional<OpFoldResult> maybeStep = loopLikeOp.getSingleStep();
EXPECT_TRUE(maybeStep.has_value());
std::optional<OpFoldResult> maybeIndVar =
loopLikeOp.getSingleInductionVar();
EXPECT_TRUE(maybeIndVar.has_value());
}
void checkMultidimensional(LoopLikeOpInterface loopLikeOp) {
std::optional<OpFoldResult> maybeLb = loopLikeOp.getSingleLowerBound();
EXPECT_FALSE(maybeLb.has_value());
std::optional<OpFoldResult> maybeUb = loopLikeOp.getSingleUpperBound();
EXPECT_FALSE(maybeUb.has_value());
std::optional<OpFoldResult> maybeStep = loopLikeOp.getSingleStep();
EXPECT_FALSE(maybeStep.has_value());
std::optional<OpFoldResult> maybeIndVar =
loopLikeOp.getSingleInductionVar();
EXPECT_FALSE(maybeIndVar.has_value());
}
MLIRContext context;
OpBuilder b;
Location loc;
};
TEST_F(SCFLoopLikeTest, queryUnidimensionalLooplikes) {
OwningOpRef<arith::ConstantIndexOp> lb =
b.create<arith::ConstantIndexOp>(loc, 0);
OwningOpRef<arith::ConstantIndexOp> ub =
b.create<arith::ConstantIndexOp>(loc, 10);
OwningOpRef<arith::ConstantIndexOp> step =
b.create<arith::ConstantIndexOp>(loc, 2);
OwningOpRef<scf::ForOp> forOp =
b.create<scf::ForOp>(loc, lb.get(), ub.get(), step.get());
checkUnidimensional(forOp.get());
OwningOpRef<scf::ForallOp> forallOp = b.create<scf::ForallOp>(
loc, ArrayRef<OpFoldResult>(lb->getResult()),
ArrayRef<OpFoldResult>(ub->getResult()),
ArrayRef<OpFoldResult>(step->getResult()), ValueRange(), std::nullopt);
checkUnidimensional(forallOp.get());
OwningOpRef<scf::ParallelOp> parallelOp = b.create<scf::ParallelOp>(
loc, ValueRange(lb->getResult()), ValueRange(ub->getResult()),
ValueRange(step->getResult()), ValueRange());
checkUnidimensional(parallelOp.get());
}
TEST_F(SCFLoopLikeTest, queryMultidimensionalLooplikes) {
OwningOpRef<arith::ConstantIndexOp> lb =
b.create<arith::ConstantIndexOp>(loc, 0);
OwningOpRef<arith::ConstantIndexOp> ub =
b.create<arith::ConstantIndexOp>(loc, 10);
OwningOpRef<arith::ConstantIndexOp> step =
b.create<arith::ConstantIndexOp>(loc, 2);
OwningOpRef<scf::ForallOp> forallOp = b.create<scf::ForallOp>(
loc, ArrayRef<OpFoldResult>({lb->getResult(), lb->getResult()}),
ArrayRef<OpFoldResult>({ub->getResult(), ub->getResult()}),
ArrayRef<OpFoldResult>({step->getResult(), step->getResult()}),
ValueRange(), std::nullopt);
checkMultidimensional(forallOp.get());
OwningOpRef<scf::ParallelOp> parallelOp = b.create<scf::ParallelOp>(
loc, ValueRange({lb->getResult(), lb->getResult()}),
ValueRange({ub->getResult(), ub->getResult()}),
ValueRange({step->getResult(), step->getResult()}), ValueRange());
checkMultidimensional(parallelOp.get());
}