llvm-project/lld/unittests/DriverTests/InputGraphTest.cpp

392 lines
15 KiB
C++

//===- lld/unittest/InputGraphTest.cpp -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief InputGraph Tests
///
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "lld/Core/InputGraph.h"
#include "lld/Core/Resolver.h"
#include "lld/ReaderWriter/Simple.h"
using namespace lld;
namespace {
class MyLinkingContext : public LinkingContext {
public:
Writer &writer() const override { llvm_unreachable("no writer!"); }
bool validateImpl(raw_ostream &) override { return true; }
};
class MyFileNode : public SimpleFileNode {
public:
MyFileNode(StringRef path) : SimpleFileNode(path) {}
void resetNextIndex() override { FileNode::resetNextIndex(); }
};
class MyExpandFileNode : public SimpleFileNode {
public:
MyExpandFileNode(StringRef path) : SimpleFileNode(path) {}
/// \brief How do we want to expand the current node?
bool shouldExpand() const override { return true; }
/// \brief Get the elements that we want to expand with.
range<InputGraph::InputElementIterT> expandElements() override {
return make_range(_expandElements.begin(), _expandElements.end());
}
/// Process the input Elemenet
virtual bool addElement(std::unique_ptr<InputElement> element) {
_expandElements.push_back(std::move(element));
return true;
}
private:
InputGraph::InputElementVectorT _expandElements;
};
class InputGraphTest : public testing::Test {
public:
InputGraphTest() {
_ctx.setInputGraph(std::unique_ptr<InputGraph>(new InputGraph()));
}
InputGraph &getInputGraph() { return _ctx.getInputGraph(); }
int inputFileCount() { return _ctx.getInputGraph().size(); }
protected:
MyLinkingContext _ctx;
};
} // end anonymous namespace
TEST_F(InputGraphTest, Basic) {
EXPECT_EQ(0, inputFileCount());
ErrorOr<InputElement *> nextElement = getInputGraph().getNextInputElement();
EXPECT_EQ(InputGraphError::no_more_elements, nextElement.getError());
}
TEST_F(InputGraphTest, AddAFile) {
std::unique_ptr<MyFileNode> myfile(new MyFileNode("file1"));
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(myfile)));
EXPECT_EQ(1, inputFileCount());
ErrorOr<InputElement *> nextElement = getInputGraph().getNextInputElement();
EXPECT_NE(InputGraphError::no_more_elements, nextElement.getError());
EXPECT_EQ(InputElement::Kind::File, (*nextElement)->kind());
FileNode *fileNode = dyn_cast<FileNode>(*nextElement);
EXPECT_EQ("file1", fileNode->getUserPath());
nextElement = getInputGraph().getNextInputElement();
EXPECT_EQ(InputGraphError::no_more_elements, nextElement.getError());
}
TEST_F(InputGraphTest, AddAFileWithLLDFiles) {
std::unique_ptr<MyFileNode> myfile(new MyFileNode("multi_files"));
std::vector<std::unique_ptr<File>> objfiles;
std::unique_ptr<SimpleFile> obj1(new SimpleFile("objfile1"));
std::unique_ptr<SimpleFile> obj2(new SimpleFile("objfile2"));
objfiles.push_back(std::move(obj1));
objfiles.push_back(std::move(obj2));
myfile->addFiles(std::move(objfiles));
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(myfile)));
EXPECT_EQ(1, inputFileCount());
ErrorOr<InputElement *> nextElement = getInputGraph().getNextInputElement();
EXPECT_NE(InputGraphError::no_more_elements, nextElement.getError());
EXPECT_EQ(InputElement::Kind::File, (*nextElement)->kind());
FileNode *fileNode = dyn_cast<FileNode>(*nextElement);
EXPECT_EQ("multi_files", fileNode->getUserPath());
ErrorOr<File &> objfile = fileNode->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile1", (*objfile).path());
objfile = fileNode->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile2", (*objfile).path());
objfile = fileNode->getNextFile();
EXPECT_EQ(InputGraphError::no_more_files, objfile.getError());
fileNode->resetNextIndex();
objfile = fileNode->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile1", (*objfile).path());
nextElement = getInputGraph().getNextInputElement();
EXPECT_EQ(InputGraphError::no_more_elements, nextElement.getError());
}
TEST_F(InputGraphTest, AddNodeWithFilesAndGroup) {
std::unique_ptr<MyFileNode> myfile(new MyFileNode("multi_files1"));
std::vector<std::unique_ptr<File>> objfiles;
std::unique_ptr<SimpleFile> obj1(new SimpleFile("objfile1"));
std::unique_ptr<SimpleFile> obj2(new SimpleFile("objfile2"));
objfiles.push_back(std::move(obj1));
objfiles.push_back(std::move(obj2));
myfile->addFiles(std::move(objfiles));
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(myfile)));
// Create a group node with two elements
// an file node which looks like an archive and
// two file nodes
std::unique_ptr<Group> mygroup(new Group());
std::unique_ptr<MyFileNode> myarchive(new MyFileNode("archive_file"));
std::vector<std::unique_ptr<File>> objfiles_group;
std::unique_ptr<SimpleFile> obj_1(new SimpleFile("objfile_1"));
std::unique_ptr<SimpleFile> obj_2(new SimpleFile("objfile_2"));
objfiles_group.push_back(std::move(obj_1));
objfiles_group.push_back(std::move(obj_2));
myarchive->addFiles(std::move(objfiles_group));
EXPECT_EQ(true, mygroup->addFile(std::move(myarchive)));
std::unique_ptr<MyFileNode> mygroupobjfile_1(
new MyFileNode("group_objfile1"));
std::vector<std::unique_ptr<File>> objfiles_group1;
std::unique_ptr<SimpleFile> mygroupobj1(new SimpleFile("group_objfile1"));
objfiles_group1.push_back(std::move(mygroupobj1));
mygroupobjfile_1->addFiles(std::move(objfiles_group1));
EXPECT_EQ(true, mygroup->addFile(std::move(mygroupobjfile_1)));
std::unique_ptr<MyFileNode> mygroupobjfile_2(
new MyFileNode("group_objfile2"));
std::vector<std::unique_ptr<File>> objfiles_group2;
std::unique_ptr<SimpleFile> mygroupobj2(new SimpleFile("group_objfile2"));
objfiles_group2.push_back(std::move(mygroupobj2));
mygroupobjfile_2->addFiles(std::move(objfiles_group2));
EXPECT_EQ(true, mygroup->addFile(std::move(mygroupobjfile_2)));
// Add the group to the InputGraph.
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(mygroup)));
EXPECT_EQ(2, inputFileCount());
ErrorOr<InputElement *> nextElement = getInputGraph().getNextInputElement();
EXPECT_NE(InputGraphError::no_more_elements, nextElement.getError());
EXPECT_EQ(InputElement::Kind::File, (*nextElement)->kind());
FileNode *fileNode = dyn_cast<FileNode>(*nextElement);
EXPECT_EQ("multi_files1", fileNode->getUserPath());
ErrorOr<File &> objfile = fileNode->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile1", (*objfile).path());
objfile = fileNode->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile2", (*objfile).path());
objfile = fileNode->getNextFile();
EXPECT_EQ(InputGraphError::no_more_files, objfile.getError());
nextElement = getInputGraph().getNextInputElement();
Group *group = dyn_cast<Group>(*nextElement);
assert(group);
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile_1", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile_2", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("group_objfile1", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("group_objfile2", (*objfile).path());
nextElement = getInputGraph().getNextInputElement();
EXPECT_EQ(InputGraphError::no_more_elements, nextElement.getError());
}
// Iterate through the group
TEST_F(InputGraphTest, AddNodeWithGroupIteration) {
std::unique_ptr<MyFileNode> myfile(new MyFileNode("multi_files1"));
std::vector<std::unique_ptr<File>> objfiles;
std::unique_ptr<SimpleFile> obj1(new SimpleFile("objfile1"));
std::unique_ptr<SimpleFile> obj2(new SimpleFile("objfile2"));
objfiles.push_back(std::move(obj1));
objfiles.push_back(std::move(obj2));
myfile->addFiles(std::move(objfiles));
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(myfile)));
// Create a group node with two elements
// an file node which looks like an archive and
// two file nodes
std::unique_ptr<Group> mygroup(new Group());
std::unique_ptr<MyFileNode> myarchive(new MyFileNode("archive_file"));
std::vector<std::unique_ptr<File>> objfiles_group;
std::unique_ptr<SimpleFile> obj_1(new SimpleFile("objfile_1"));
std::unique_ptr<SimpleFile> obj_2(new SimpleFile("objfile_2"));
objfiles_group.push_back(std::move(obj_1));
objfiles_group.push_back(std::move(obj_2));
myarchive->addFiles(std::move(objfiles_group));
EXPECT_EQ(true, mygroup->addFile(std::move(myarchive)));
std::unique_ptr<MyFileNode> mygroupobjfile_1(
new MyFileNode("group_objfile1"));
std::vector<std::unique_ptr<File>> objfiles_group1;
std::unique_ptr<SimpleFile> mygroupobj1(new SimpleFile("group_objfile1"));
objfiles_group1.push_back(std::move(mygroupobj1));
mygroupobjfile_1->addFiles(std::move(objfiles_group1));
EXPECT_EQ(true, mygroup->addFile(std::move(mygroupobjfile_1)));
std::unique_ptr<MyFileNode> mygroupobjfile_2(
new MyFileNode("group_objfile2"));
std::vector<std::unique_ptr<File>> objfiles_group2;
std::unique_ptr<SimpleFile> mygroupobj2(new SimpleFile("group_objfile2"));
objfiles_group2.push_back(std::move(mygroupobj2));
mygroupobjfile_2->addFiles(std::move(objfiles_group2));
EXPECT_EQ(true, mygroup->addFile(std::move(mygroupobjfile_2)));
// Add the group to the InputGraph.
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(mygroup)));
EXPECT_EQ(2, inputFileCount());
ErrorOr<InputElement *> nextElement = getInputGraph().getNextInputElement();
EXPECT_NE(InputGraphError::no_more_elements, nextElement.getError());
EXPECT_EQ(InputElement::Kind::File, (*nextElement)->kind());
FileNode *fileNode = dyn_cast<FileNode>(*nextElement);
EXPECT_EQ("multi_files1", fileNode->getUserPath());
ErrorOr<File &> objfile = fileNode->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile1", (*objfile).path());
objfile = fileNode->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile2", (*objfile).path());
objfile = fileNode->getNextFile();
EXPECT_EQ(InputGraphError::no_more_files, objfile.getError());
nextElement = getInputGraph().getNextInputElement();
Group *group = dyn_cast<Group>(*nextElement);
assert(group);
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile_1", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile_2", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("group_objfile1", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("group_objfile2", (*objfile).path());
group->notifyProgress();
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile_1", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("objfile_2", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("group_objfile1", (*objfile).path());
objfile = group->getNextFile();
EXPECT_NE(InputGraphError::no_more_files, objfile.getError());
EXPECT_EQ("group_objfile2", (*objfile).path());
}
// Node expansion tests.
TEST_F(InputGraphTest, ExpandAndReplaceInputGraphNode) {
std::unique_ptr<MyFileNode> myfile(new MyFileNode("multi_files1"));
std::vector<std::unique_ptr<File>> objfiles;
std::unique_ptr<SimpleFile> obj1(new SimpleFile("objfile1"));
std::unique_ptr<SimpleFile> obj2(new SimpleFile("objfile2"));
objfiles.push_back(std::move(obj1));
objfiles.push_back(std::move(obj2));
myfile->addFiles(std::move(objfiles));
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(myfile)));
objfiles.clear();
std::unique_ptr<MyExpandFileNode> expandFile(
new MyExpandFileNode("expand_node"));
std::unique_ptr<MyFileNode> filenode1(new MyFileNode("expand_file1"));
std::unique_ptr<SimpleFile> obj3(new SimpleFile("objfile3"));
objfiles.push_back(std::move(obj3));
filenode1->addFiles(std::move(objfiles));
expandFile->addElement(std::move(filenode1));
objfiles.clear();
std::unique_ptr<MyFileNode> filenode2(new MyFileNode("expand_file2"));
std::unique_ptr<SimpleFile> obj4(new SimpleFile("objfile4"));
objfiles.push_back(std::move(obj4));
filenode2->addFiles(std::move(objfiles));
expandFile->addElement(std::move(filenode2));
objfiles.clear();
// Add expand file to InputGraph
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(expandFile)));
std::unique_ptr<MyFileNode> filenode3(new MyFileNode("obj_after_expand"));
std::unique_ptr<SimpleFile> obj5(new SimpleFile("objfile5"));
std::unique_ptr<SimpleFile> obj6(new SimpleFile("objfile6"));
objfiles.push_back(std::move(obj5));
objfiles.push_back(std::move(obj6));
filenode3->addFiles(std::move(objfiles));
// Add an extra obj after the expand node
EXPECT_EQ(true, getInputGraph().addInputElement(std::move(filenode3)));
getInputGraph().normalize();
ErrorOr<InputElement *> nextElement = getInputGraph().getNextInputElement();
EXPECT_NE(InputGraphError::no_more_elements, nextElement.getError());
EXPECT_EQ(InputElement::Kind::File, (*nextElement)->kind());
FileNode *fileNode = dyn_cast<FileNode>(*nextElement);
EXPECT_EQ("multi_files1", (*fileNode).getUserPath());
nextElement = getInputGraph().getNextInputElement();
EXPECT_NE(InputGraphError::no_more_elements, nextElement.getError());
EXPECT_EQ(InputElement::Kind::File, (*nextElement)->kind());
fileNode = dyn_cast<FileNode>(*nextElement);
EXPECT_EQ("expand_file1", (*fileNode).getUserPath());
nextElement = getInputGraph().getNextInputElement();
EXPECT_NE(InputGraphError::no_more_elements, nextElement.getError());
EXPECT_EQ(InputElement::Kind::File, (*nextElement)->kind());
fileNode = dyn_cast<FileNode>(*nextElement);
EXPECT_EQ("expand_file2", (*fileNode).getUserPath());
nextElement = getInputGraph().getNextInputElement();
EXPECT_NE(InputGraphError::no_more_elements, nextElement.getError());
EXPECT_EQ(InputElement::Kind::File, (*nextElement)->kind());
fileNode = dyn_cast<FileNode>(*nextElement);
EXPECT_EQ("obj_after_expand", (*fileNode).getUserPath());
nextElement = getInputGraph().getNextInputElement();
EXPECT_EQ(InputGraphError::no_more_elements, nextElement.getError());
}