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//===- FortranVariableTest.cpp --------------------------------------------===//
//
// 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 "gtest/gtest.h"
#include "flang/Optimizer/Dialect/FIROps.h"
#include "flang/Optimizer/Support/InitFIR.h"
struct FortranVariableTest : public testing::Test {
public:
void SetUp() {
fir::support::loadDialects(context);
builder = std::make_unique<mlir::OpBuilder>(&context);
mlir::Location loc = builder->getUnknownLoc();
// Set up a Module with a dummy function operation inside.
// Set the insertion point in the function entry block.
moduleOp = builder->create<mlir::ModuleOp>(loc);
builder->setInsertionPointToStart(moduleOp->getBody());
mlir::func::FuncOp func = builder->create<mlir::func::FuncOp>(
loc, "fortran_variable_tests", builder->getFunctionType({}, {}));
auto *entryBlock = func.addEntryBlock();
builder->setInsertionPointToStart(entryBlock);
}
mlir::Location getLoc() { return builder->getUnknownLoc(); }
mlir::Value createConstant(std::int64_t cst) {
mlir::Type indexType = builder->getIndexType();
return builder->create<mlir::arith::ConstantOp>(
getLoc(), indexType, builder->getIntegerAttr(indexType, cst));
}
mlir::Value createShape(llvm::ArrayRef<mlir::Value> extents) {
return builder->create<fir::ShapeOp>(getLoc(), extents);
}
mlir::MLIRContext context;
std::unique_ptr<mlir::OpBuilder> builder;
mlir::OwningOpRef<mlir::ModuleOp> moduleOp;
};
TEST_F(FortranVariableTest, SimpleScalar) {
mlir::Location loc = getLoc();
mlir::Type eleType = mlir::Float32Type::get(&context);
mlir::Value addr = builder->create<fir::AllocaOp>(loc, eleType);
auto name = mlir::StringAttr::get(&context, "x");
auto declare = builder->create<fir::DeclareOp>(loc, addr.getType(), addr,
/*shape=*/mlir::Value{}, /*typeParams=*/mlir::ValueRange{},
/*dummy_scope=*/nullptr, name,
/*fortran_attrs=*/fir::FortranVariableFlagsAttr{},
/*data_attr=*/cuf::DataAttributeAttr{});
fir::FortranVariableOpInterface fortranVariable = declare;
EXPECT_FALSE(fortranVariable.isArray());
EXPECT_FALSE(fortranVariable.isCharacter());
EXPECT_FALSE(fortranVariable.isPointer());
EXPECT_FALSE(fortranVariable.isAllocatable());
EXPECT_FALSE(fortranVariable.hasExplicitCharLen());
EXPECT_EQ(fortranVariable.getElementType(), eleType);
EXPECT_EQ(fortranVariable.getElementOrSequenceType(),
fortranVariable.getElementType());
EXPECT_NE(fortranVariable.getBase(), addr);
EXPECT_EQ(fortranVariable.getBase().getType(), addr.getType());
}
TEST_F(FortranVariableTest, CharacterScalar) {
mlir::Location loc = getLoc();
mlir::Type eleType = fir::CharacterType::getUnknownLen(&context, 4);
mlir::Value len = createConstant(42);
llvm::SmallVector<mlir::Value> typeParams{len};
mlir::Value addr = builder->create<fir::AllocaOp>(
loc, eleType, /*pinned=*/false, typeParams);
auto name = mlir::StringAttr::get(&context, "x");
auto declare = builder->create<fir::DeclareOp>(loc, addr.getType(), addr,
/*shape=*/mlir::Value{}, typeParams, /*dummy_scope=*/nullptr, name,
/*fortran_attrs=*/fir::FortranVariableFlagsAttr{},
/*data_attr=*/cuf::DataAttributeAttr{});
fir::FortranVariableOpInterface fortranVariable = declare;
EXPECT_FALSE(fortranVariable.isArray());
EXPECT_TRUE(fortranVariable.isCharacter());
EXPECT_FALSE(fortranVariable.isPointer());
EXPECT_FALSE(fortranVariable.isAllocatable());
EXPECT_TRUE(fortranVariable.hasExplicitCharLen());
EXPECT_EQ(fortranVariable.getElementType(), eleType);
EXPECT_EQ(fortranVariable.getElementOrSequenceType(),
fortranVariable.getElementType());
EXPECT_NE(fortranVariable.getBase(), addr);
EXPECT_EQ(fortranVariable.getBase().getType(), addr.getType());
EXPECT_EQ(fortranVariable.getExplicitCharLen(), len);
}
TEST_F(FortranVariableTest, SimpleArray) {
mlir::Location loc = getLoc();
mlir::Type eleType = mlir::Float32Type::get(&context);
llvm::SmallVector<mlir::Value> extents{
createConstant(10), createConstant(20), createConstant(30)};
fir::SequenceType::Shape typeShape(
extents.size(), fir::SequenceType::getUnknownExtent());
mlir::Type seqTy = fir::SequenceType::get(typeShape, eleType);
mlir::Value addr = builder->create<fir::AllocaOp>(
loc, seqTy, /*pinned=*/false, /*typeParams=*/mlir::ValueRange{}, extents);
mlir::Value shape = createShape(extents);
auto name = mlir::StringAttr::get(&context, "x");
auto declare = builder->create<fir::DeclareOp>(loc, addr.getType(), addr,
shape, /*typeParams=*/mlir::ValueRange{}, /*dummy_scope=*/nullptr, name,
/*fortran_attrs=*/fir::FortranVariableFlagsAttr{},
/*data_attr=*/cuf::DataAttributeAttr{});
fir::FortranVariableOpInterface fortranVariable = declare;
EXPECT_TRUE(fortranVariable.isArray());
EXPECT_FALSE(fortranVariable.isCharacter());
EXPECT_FALSE(fortranVariable.isPointer());
EXPECT_FALSE(fortranVariable.isAllocatable());
EXPECT_FALSE(fortranVariable.hasExplicitCharLen());
EXPECT_EQ(fortranVariable.getElementType(), eleType);
EXPECT_EQ(fortranVariable.getElementOrSequenceType(), seqTy);
EXPECT_NE(fortranVariable.getBase(), addr);
EXPECT_EQ(fortranVariable.getBase().getType(), addr.getType());
}
TEST_F(FortranVariableTest, CharacterArray) {
mlir::Location loc = getLoc();
mlir::Type eleType = fir::CharacterType::getUnknownLen(&context, 4);
mlir::Value len = createConstant(42);
llvm::SmallVector<mlir::Value> typeParams{len};
llvm::SmallVector<mlir::Value> extents{
createConstant(10), createConstant(20), createConstant(30)};
fir::SequenceType::Shape typeShape(
extents.size(), fir::SequenceType::getUnknownExtent());
mlir::Type seqTy = fir::SequenceType::get(typeShape, eleType);
mlir::Value addr = builder->create<fir::AllocaOp>(
loc, seqTy, /*pinned=*/false, typeParams, extents);
mlir::Value shape = createShape(extents);
auto name = mlir::StringAttr::get(&context, "x");
auto declare = builder->create<fir::DeclareOp>(loc, addr.getType(), addr,
shape, typeParams, /*dummy_scope=*/nullptr, name,
/*fortran_attrs=*/fir::FortranVariableFlagsAttr{},
/*data_attr=*/cuf::DataAttributeAttr{});
fir::FortranVariableOpInterface fortranVariable = declare;
EXPECT_TRUE(fortranVariable.isArray());
EXPECT_TRUE(fortranVariable.isCharacter());
EXPECT_FALSE(fortranVariable.isPointer());
EXPECT_FALSE(fortranVariable.isAllocatable());
EXPECT_TRUE(fortranVariable.hasExplicitCharLen());
EXPECT_EQ(fortranVariable.getElementType(), eleType);
EXPECT_EQ(fortranVariable.getElementOrSequenceType(), seqTy);
EXPECT_NE(fortranVariable.getBase(), addr);
EXPECT_EQ(fortranVariable.getBase().getType(), addr.getType());
EXPECT_EQ(fortranVariable.getExplicitCharLen(), len);
}
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