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//===- CharacterTest.cpp -- CharacterExprHelper 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/Character.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 CharacterTest : public testing::Test {
public:
void SetUp() override {
fir::support::loadDialects(context);
kindMap = std::make_unique<fir::KindMapping>(&context,
"i10:80,l3:24,a1:8,r54:Double,c20:X86_FP80,r11:PPC_FP128,"
"r12:FP128,r13:X86_FP80,r14:Double,r15:Float,r16:Half,r23:BFloat");
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);
}
fir::FirOpBuilder &getBuilder() { return *firBuilder; }
mlir::MLIRContext context;
std::unique_ptr<fir::KindMapping> kindMap;
std::unique_ptr<fir::FirOpBuilder> firBuilder;
};
TEST_F(CharacterTest, smallUtilityFunctions) {
auto builder = getBuilder();
auto loc = builder.getUnknownLoc();
llvm::StringRef strValue("onestringliteral");
auto strLit = fir::factory::createStringLiteral(builder, loc, strValue);
EXPECT_TRUE(
fir::factory::CharacterExprHelper::hasConstantLengthInType(strLit));
auto ty = strLit.getCharBox()->getAddr().getType();
EXPECT_TRUE(fir::factory::CharacterExprHelper::isCharacterScalar(ty));
EXPECT_EQ(fir::factory::CharacterExprHelper::getCharacterOrSequenceKind(ty),
fir::factory::CharacterExprHelper::getCharacterKind(ty));
}
TEST_F(CharacterTest, createSubstring) {
auto builder = getBuilder();
auto loc = builder.getUnknownLoc();
auto charHelper = fir::factory::CharacterExprHelper(builder, loc);
llvm::StringRef data("a dummy string to test substring");
auto str = fir::factory::createStringLiteral(builder, loc, data);
auto lb = builder.createIntegerConstant(loc, builder.getI64Type(), 18);
auto ub = builder.createIntegerConstant(loc, builder.getI64Type(), 22);
auto substr = charHelper.createSubstring(*str.getCharBox(), {lb, ub});
EXPECT_FALSE(
fir::factory::CharacterExprHelper::hasConstantLengthInType(substr));
EXPECT_FALSE(charHelper.getCharacterType(substr).hasConstantLen());
EXPECT_FALSE(fir::factory::CharacterExprHelper::isArray(
charHelper.getCharacterType(substr)));
}
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