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//===- HLFIRToolsTest.cpp -- HLFIR tools 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 "flang/Optimizer/Builder/HLFIRTools.h"
#include "gtest/gtest.h"
#include "flang/Optimizer/Builder/BoxValue.h"
#include "flang/Optimizer/Builder/FIRBuilder.h"
#include "flang/Optimizer/Dialect/Support/KindMapping.h"
#include "flang/Optimizer/Support/InitFIR.h"
struct HLFIRToolsTest : public testing::Test {
public:
void SetUp() override {
fir::support::loadDialects(context);
llvm::ArrayRef<fir::KindTy> defs;
fir::KindMapping kindMap(&context, defs);
mlir::OpBuilder builder(&context);
auto loc = builder.getUnknownLoc();
// Set up a Module with a dummy function operation inside.
// Set the insertion point in the function entry block.
mlir::ModuleOp mod = builder.create<mlir::ModuleOp>(loc);
mlir::func::FuncOp func = mlir::func::FuncOp::create(
loc, "func1", builder.getFunctionType(std::nullopt, std::nullopt));
auto *entryBlock = func.addEntryBlock();
mod.push_back(mod);
builder.setInsertionPointToStart(entryBlock);
firBuilder = std::make_unique<fir::FirOpBuilder>(mod, kindMap);
}
mlir::Value createDeclare(fir::ExtendedValue exv) {
return hlfir::genDeclare(getLoc(), *firBuilder, exv,
"x" + std::to_string(varCounter++), fir::FortranVariableFlagsAttr{})
.getBase();
}
mlir::Value createConstant(std::int64_t cst) {
mlir::Type indexType = firBuilder->getIndexType();
return firBuilder->create<mlir::arith::ConstantOp>(
getLoc(), indexType, firBuilder->getIntegerAttr(indexType, cst));
}
mlir::Location getLoc() { return firBuilder->getUnknownLoc(); }
fir::FirOpBuilder &getBuilder() { return *firBuilder; }
int varCounter = 0;
mlir::MLIRContext context;
std::unique_ptr<fir::FirOpBuilder> firBuilder;
};
TEST_F(HLFIRToolsTest, testScalarRoundTrip) {
auto &builder = getBuilder();
mlir::Location loc = getLoc();
mlir::Type f32Type = mlir::FloatType::getF32(&context);
mlir::Type scalarf32Type = builder.getRefType(f32Type);
mlir::Value scalarf32Addr = builder.create<fir::UndefOp>(loc, scalarf32Type);
fir::ExtendedValue scalarf32{scalarf32Addr};
hlfir::EntityWithAttributes scalarf32Entity(createDeclare(scalarf32));
auto [scalarf32Result, cleanup] =
hlfir::translateToExtendedValue(loc, builder, scalarf32Entity);
auto *unboxed = scalarf32Result.getUnboxed();
EXPECT_FALSE(cleanup.has_value());
ASSERT_NE(unboxed, nullptr);
EXPECT_TRUE(*unboxed == scalarf32Entity.getFirBase());
EXPECT_TRUE(scalarf32Entity.isVariable());
EXPECT_FALSE(scalarf32Entity.isValue());
}
TEST_F(HLFIRToolsTest, testArrayRoundTrip) {
auto &builder = getBuilder();
mlir::Location loc = getLoc();
llvm::SmallVector<mlir::Value> extents{
createConstant(20), createConstant(30)};
llvm::SmallVector<mlir::Value> lbounds{
createConstant(-1), createConstant(-2)};
mlir::Type f32Type = mlir::FloatType::getF32(&context);
mlir::Type seqf32Type = builder.getVarLenSeqTy(f32Type, 2);
mlir::Type arrayf32Type = builder.getRefType(seqf32Type);
mlir::Value arrayf32Addr = builder.create<fir::UndefOp>(loc, arrayf32Type);
fir::ArrayBoxValue arrayf32{arrayf32Addr, extents, lbounds};
hlfir::EntityWithAttributes arrayf32Entity(createDeclare(arrayf32));
auto [arrayf32Result, cleanup] =
hlfir::translateToExtendedValue(loc, builder, arrayf32Entity);
auto *res = arrayf32Result.getBoxOf<fir::ArrayBoxValue>();
EXPECT_FALSE(cleanup.has_value());
ASSERT_NE(res, nullptr);
// gtest has a terrible time printing mlir::Value in case of failing
// EXPECT_EQ(mlir::Value, mlir::Value). So use EXPECT_TRUE instead.
EXPECT_TRUE(fir::getBase(*res) == arrayf32Entity.getFirBase());
ASSERT_EQ(res->getExtents().size(), arrayf32.getExtents().size());
for (unsigned i = 0; i < arrayf32.getExtents().size(); ++i)
EXPECT_TRUE(res->getExtents()[i] == arrayf32.getExtents()[i]);
ASSERT_EQ(res->getLBounds().size(), arrayf32.getLBounds().size());
for (unsigned i = 0; i < arrayf32.getLBounds().size(); ++i)
EXPECT_TRUE(res->getLBounds()[i] == arrayf32.getLBounds()[i]);
EXPECT_TRUE(arrayf32Entity.isVariable());
EXPECT_FALSE(arrayf32Entity.isValue());
}
TEST_F(HLFIRToolsTest, testScalarCharRoundTrip) {
auto &builder = getBuilder();
mlir::Location loc = getLoc();
mlir::Value len = createConstant(42);
mlir::Type charType = fir::CharacterType::getUnknownLen(&context, 1);
mlir::Type scalarCharType = builder.getRefType(charType);
mlir::Value scalarCharAddr =
builder.create<fir::UndefOp>(loc, scalarCharType);
fir::CharBoxValue scalarChar{scalarCharAddr, len};
hlfir::EntityWithAttributes scalarCharEntity(createDeclare(scalarChar));
auto [scalarCharResult, cleanup] =
hlfir::translateToExtendedValue(loc, builder, scalarCharEntity);
auto *res = scalarCharResult.getBoxOf<fir::CharBoxValue>();
EXPECT_FALSE(cleanup.has_value());
ASSERT_NE(res, nullptr);
EXPECT_TRUE(fir::getBase(*res) == scalarCharEntity.getFirBase());
EXPECT_TRUE(res->getLen() == scalarChar.getLen());
EXPECT_TRUE(scalarCharEntity.isVariable());
EXPECT_FALSE(scalarCharEntity.isValue());
}
TEST_F(HLFIRToolsTest, testArrayCharRoundTrip) {
auto &builder = getBuilder();
mlir::Location loc = getLoc();
llvm::SmallVector<mlir::Value> extents{
createConstant(20), createConstant(30)};
llvm::SmallVector<mlir::Value> lbounds{
createConstant(-1), createConstant(-2)};
mlir::Value len = createConstant(42);
mlir::Type charType = fir::CharacterType::getUnknownLen(&context, 1);
mlir::Type seqCharType = builder.getVarLenSeqTy(charType, 2);
mlir::Type arrayCharType = builder.getRefType(seqCharType);
mlir::Value arrayCharAddr = builder.create<fir::UndefOp>(loc, arrayCharType);
fir::CharArrayBoxValue arrayChar{arrayCharAddr, len, extents, lbounds};
hlfir::EntityWithAttributes arrayCharEntity(createDeclare(arrayChar));
auto [arrayCharResult, cleanup] =
hlfir::translateToExtendedValue(loc, builder, arrayCharEntity);
auto *res = arrayCharResult.getBoxOf<fir::CharArrayBoxValue>();
EXPECT_FALSE(cleanup.has_value());
ASSERT_NE(res, nullptr);
// gtest has a terrible time printing mlir::Value in case of failing
// EXPECT_EQ(mlir::Value, mlir::Value). So use EXPECT_TRUE instead.
EXPECT_TRUE(fir::getBase(*res) == arrayCharEntity.getFirBase());
EXPECT_TRUE(res->getLen() == arrayChar.getLen());
ASSERT_EQ(res->getExtents().size(), arrayChar.getExtents().size());
for (unsigned i = 0; i < arrayChar.getExtents().size(); ++i)
EXPECT_TRUE(res->getExtents()[i] == arrayChar.getExtents()[i]);
ASSERT_EQ(res->getLBounds().size(), arrayChar.getLBounds().size());
for (unsigned i = 0; i < arrayChar.getLBounds().size(); ++i)
EXPECT_TRUE(res->getLBounds()[i] == arrayChar.getLBounds()[i]);
EXPECT_TRUE(arrayCharEntity.isVariable());
EXPECT_FALSE(arrayCharEntity.isValue());
}
TEST_F(HLFIRToolsTest, testArrayCharBoxRoundTrip) {
auto &builder = getBuilder();
mlir::Location loc = getLoc();
llvm::SmallVector<mlir::Value> lbounds{
createConstant(-1), createConstant(-2)};
mlir::Value len = createConstant(42);
mlir::Type charType = fir::CharacterType::getUnknownLen(&context, 1);
mlir::Type seqCharType = builder.getVarLenSeqTy(charType, 2);
mlir::Type arrayCharBoxType = fir::BoxType::get(seqCharType);
mlir::Value arrayCharAddr =
builder.create<fir::UndefOp>(loc, arrayCharBoxType);
llvm::SmallVector<mlir::Value> explicitTypeParams{len};
fir::BoxValue arrayChar{arrayCharAddr, lbounds, explicitTypeParams};
hlfir::EntityWithAttributes arrayCharEntity(createDeclare(arrayChar));
auto [arrayCharResult, cleanup] =
hlfir::translateToExtendedValue(loc, builder, arrayCharEntity);
auto *res = arrayCharResult.getBoxOf<fir::BoxValue>();
EXPECT_FALSE(cleanup.has_value());
ASSERT_NE(res, nullptr);
// gtest has a terrible time printing mlir::Value in case of failing
// EXPECT_EQ(mlir::Value, mlir::Value). So use EXPECT_TRUE instead.
EXPECT_TRUE(fir::getBase(*res) == arrayCharEntity.getFirBase());
ASSERT_EQ(res->getExplicitParameters().size(),
arrayChar.getExplicitParameters().size());
for (unsigned i = 0; i < arrayChar.getExplicitParameters().size(); ++i)
EXPECT_TRUE(res->getExplicitParameters()[i] ==
arrayChar.getExplicitParameters()[i]);
ASSERT_EQ(res->getLBounds().size(), arrayChar.getLBounds().size());
for (unsigned i = 0; i < arrayChar.getLBounds().size(); ++i)
EXPECT_TRUE(res->getLBounds()[i] == arrayChar.getLBounds()[i]);
EXPECT_TRUE(arrayCharEntity.isVariable());
EXPECT_FALSE(arrayCharEntity.isValue());
}
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