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//===- OperationSupportTest.cpp - Operation support unit 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/IR/OperationSupport.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/BuiltinTypes.h"
#include "llvm/ADT/BitVector.h"
#include "gtest/gtest.h"
using namespace mlir;
using namespace mlir::detail;
static Operation *createOp(MLIRContext *context,
ArrayRef<Value> operands = llvm::None,
ArrayRef<Type> resultTypes = llvm::None,
unsigned int numRegions = 0) {
context->allowUnregisteredDialects();
return Operation::create(UnknownLoc::get(context),
OperationName("foo.bar", context), resultTypes,
operands, llvm::None, llvm::None, numRegions);
}
namespace {
TEST(OperandStorageTest, NonResizable) {
MLIRContext context;
Builder builder(&context);
Operation *useOp =
createOp(&context, /*operands=*/llvm::None, builder.getIntegerType(16));
Value operand = useOp->getResult(0);
// Create a non-resizable operation with one operand.
Operation *user = createOp(&context, operand);
// The same number of operands is okay.
user->setOperands(operand);
EXPECT_EQ(user->getNumOperands(), 1u);
// Removing is okay.
user->setOperands(llvm::None);
EXPECT_EQ(user->getNumOperands(), 0u);
// Destroy the operations.
user->destroy();
useOp->destroy();
}
TEST(OperandStorageTest, Resizable) {
MLIRContext context;
Builder builder(&context);
Operation *useOp =
createOp(&context, /*operands=*/llvm::None, builder.getIntegerType(16));
Value operand = useOp->getResult(0);
// Create a resizable operation with one operand.
Operation *user = createOp(&context, operand);
// The same number of operands is okay.
user->setOperands(operand);
EXPECT_EQ(user->getNumOperands(), 1u);
// Removing is okay.
user->setOperands(llvm::None);
EXPECT_EQ(user->getNumOperands(), 0u);
// Adding more operands is okay.
user->setOperands({operand, operand, operand});
EXPECT_EQ(user->getNumOperands(), 3u);
// Destroy the operations.
user->destroy();
useOp->destroy();
}
TEST(OperandStorageTest, RangeReplace) {
MLIRContext context;
Builder builder(&context);
Operation *useOp =
createOp(&context, /*operands=*/llvm::None, builder.getIntegerType(16));
Value operand = useOp->getResult(0);
// Create a resizable operation with one operand.
Operation *user = createOp(&context, operand);
// Check setting with the same number of operands.
user->setOperands(/*start=*/0, /*length=*/1, operand);
EXPECT_EQ(user->getNumOperands(), 1u);
// Check setting with more operands.
user->setOperands(/*start=*/0, /*length=*/1, {operand, operand, operand});
EXPECT_EQ(user->getNumOperands(), 3u);
// Check setting with less operands.
user->setOperands(/*start=*/1, /*length=*/2, {operand});
EXPECT_EQ(user->getNumOperands(), 2u);
// Check inserting without replacing operands.
user->setOperands(/*start=*/2, /*length=*/0, {operand});
EXPECT_EQ(user->getNumOperands(), 3u);
// Check erasing operands.
user->setOperands(/*start=*/0, /*length=*/3, {});
EXPECT_EQ(user->getNumOperands(), 0u);
// Destroy the operations.
user->destroy();
useOp->destroy();
}
TEST(OperandStorageTest, MutableRange) {
MLIRContext context;
Builder builder(&context);
Operation *useOp =
createOp(&context, /*operands=*/llvm::None, builder.getIntegerType(16));
Value operand = useOp->getResult(0);
// Create a resizable operation with one operand.
Operation *user = createOp(&context, operand);
// Check setting with the same number of operands.
MutableOperandRange mutableOperands(user);
mutableOperands.assign(operand);
EXPECT_EQ(mutableOperands.size(), 1u);
EXPECT_EQ(user->getNumOperands(), 1u);
// Check setting with more operands.
mutableOperands.assign({operand, operand, operand});
EXPECT_EQ(mutableOperands.size(), 3u);
EXPECT_EQ(user->getNumOperands(), 3u);
// Check with inserting a new operand.
mutableOperands.append({operand, operand});
EXPECT_EQ(mutableOperands.size(), 5u);
EXPECT_EQ(user->getNumOperands(), 5u);
// Check erasing operands.
mutableOperands.clear();
EXPECT_EQ(mutableOperands.size(), 0u);
EXPECT_EQ(user->getNumOperands(), 0u);
// Destroy the operations.
user->destroy();
useOp->destroy();
}
TEST(OperandStorageTest, RangeErase) {
MLIRContext context;
Builder builder(&context);
Type type = builder.getNoneType();
Operation *useOp = createOp(&context, /*operands=*/llvm::None, {type, type});
Value operand1 = useOp->getResult(0);
Value operand2 = useOp->getResult(1);
// Create an operation with operands to erase.
Operation *user =
createOp(&context, {operand2, operand1, operand2, operand1});
llvm::BitVector eraseIndices(user->getNumOperands());
// Check erasing no operands.
user->eraseOperands(eraseIndices);
EXPECT_EQ(user->getNumOperands(), 4u);
// Check erasing disjoint operands.
eraseIndices.set(0);
eraseIndices.set(3);
user->eraseOperands(eraseIndices);
EXPECT_EQ(user->getNumOperands(), 2u);
EXPECT_EQ(user->getOperand(0), operand1);
EXPECT_EQ(user->getOperand(1), operand2);
// Destroy the operations.
user->destroy();
useOp->destroy();
}
TEST(OperationOrderTest, OrderIsAlwaysValid) {
MLIRContext context;
Builder builder(&context);
Operation *containerOp =
createOp(&context, /*operands=*/llvm::None, /*resultTypes=*/llvm::None,
/*numRegions=*/1);
Region ®ion = containerOp->getRegion(0);
Block *block = new Block();
region.push_back(block);
// Insert two operations, then iteratively add more operations in the middle
// of them. Eventually we will insert more than kOrderStride operations and
// the block order will need to be recomputed.
Operation *frontOp = createOp(&context);
Operation *backOp = createOp(&context);
block->push_back(frontOp);
block->push_back(backOp);
// Chosen to be larger than Operation::kOrderStride.
int kNumOpsToInsert = 10;
for (int i = 0; i < kNumOpsToInsert; ++i) {
Operation *op = createOp(&context);
block->getOperations().insert(backOp->getIterator(), op);
ASSERT_TRUE(op->isBeforeInBlock(backOp));
// Note verifyOpOrder() returns false if the order is valid.
ASSERT_FALSE(block->verifyOpOrder());
}
containerOp->destroy();
}
} // end namespace
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