GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 82.6% 38 / 4 / 50
Functions: 62.5% 5 / 0 / 8
Branches: 53.4% 47 / 8 / 96
src/global/GlobalResourceManager.cpp
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1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #include "GlobalResourceManager.h"
4
5 #include <cassert>
6 #include <thread>
7
8 #include <SourceFile.h>
9 #include <driver/Driver.h>
10 #include <global/TypeNameDisambiguator.h>
11 #include <global/TypeRegistry.h>
12 #include <symboltablebuilder/Scope.h> // IWYU pragma: keep - Scope
13 #include <typechecker/FunctionManager.h>
14 #include <typechecker/InterfaceManager.h>
15 #include <typechecker/StructManager.h>
16 #include <util/FileUtil.h>
17
18 #include <llvm/IR/Module.h>
19 #include <llvm/Support/ManagedStatic.h>
20 #include <llvm/Support/TargetSelect.h>
21 #include <llvm/TargetParser/Host.h>
22 #include <llvm/TargetParser/SubtargetFeature.h>
23
24 namespace spice::compiler {
25
26 572 GlobalResourceManager::GlobalResourceManager(const CliOptions &cliOptions)
27
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 572 : cliOptions(cliOptions), linker(cliOptions), cacheManager(cliOptions), runtimeModuleManager(*this) {
28 // Initialize the required LLVM targets
29
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 572 if (cliOptions.isNativeTarget) {
30
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 567 llvm::InitializeNativeTarget();
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 567 llvm::InitializeNativeTargetAsmPrinter();
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 567 llvm::InitializeNativeTargetAsmParser();
33 } else { // GCOV_EXCL_START
34 − llvm::InitializeAllTargets();
35 − llvm::InitializeAllTargetMCs();
36 − llvm::InitializeAllAsmPrinters();
37 − llvm::InitializeAllAsmParsers();
38 } // GCOV_EXCL_STOP
39
40 // Create cpu name and features strings
41
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 572 cpuName = "generic";
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 572 if (cliOptions.isNativeTarget && cliOptions.useCPUFeatures) {
43 // Retrieve native CPU name and the supported CPU features
44
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 3 cpuName = llvm::sys::getHostCPUName();
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 3 llvm::SubtargetFeatures features;
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 693 for (const auto &[feature, isEnabled] : llvm::sys::getHostCPUFeatures())
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 345 features.AddFeature(feature, isEnabled);
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 3 cpuFeatures = features.getString();
49 3 }
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51
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 572 if (cliOptions.useLTO) {
52 // Discard value names if not required
53
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 1 ltoContext.setDiscardValueNames(!cliOptions.namesForIRValues);
54 // Create lto module
55
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 1 ltoModule = std::make_unique<llvm::Module>(LTO_FILE_NAME, ltoContext);
56 }
57 572 }
58
59 572 GlobalResourceManager::~GlobalResourceManager() {
60 // Notify all global components to prepare to destroy
61 572 TypeRegistry::clear();
62 572 TypeNameDisambiguator::clear();
63 572 FunctionManager::cleanup();
64 572 StructManager::cleanup();
65 572 InterfaceManager::cleanup();
66 // Cleanup all LLVM statics
67 572 llvm::llvm_shutdown();
68 572 }
69
70 3741 SourceFile *GlobalResourceManager::createSourceFile(SourceFile *parent, const std::string &depName,
71 const std::filesystem::path &path, bool isStdFile) {
72 // Check if the source file was already added (e.g. by another source file that imports it)
73
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 3741 const std::string filePathStr = weakly_canonical(absolute(path)).string();
74
75 // Create the new source file if it does not exist yet
76
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 3741 if (!sourceFiles.contains(filePathStr))
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 2462 sourceFiles.emplace(filePathStr, std::make_unique<SourceFile>(*this, parent, depName, path, isStdFile));
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 7482 return sourceFiles.at(filePathStr).get();
80 3741 }
81
82 4099 uint64_t GlobalResourceManager::getNextCustomTypeId() { return nextCustomTypeId++; }
83
84 /**
85 * Determine how many source files may be compiled at the same time, based on the --jobs/-j cli option
86 *
87 * @return Number of compile jobs (always >= 1)
88 */
89 330 size_t GlobalResourceManager::getCompileJobCount() const {
90 // An explicit job count always wins
91
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 330 if (cliOptions.compileJobCount > 0)
92 326 return cliOptions.compileJobCount;
93
94 // Otherwise derive the job count from the machine. hardware_concurrency may return 0 if it cannot be determined, in
95 // which case we fall back to a serial back end.
96 4 const unsigned int hardwareConcurrency = std::thread::hardware_concurrency();
97
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 4 return hardwareConcurrency > 0 ? hardwareConcurrency : 1;
98 }
99
100 /**
101 * Get the worker pool for parallel compiler passes. The pool is created on first use and re-used afterwards.
102 *
103 * @param threadCount Number of worker threads to create the pool with
104 * @return Thread pool
105 */
106 ✗ ThreadPool &GlobalResourceManager::getThreadPool(size_t threadCount) {
107 ✗ assert(threadCount > 0);
108 ✗ if (!threadPool)
109 ✗ threadPool = std::make_unique<ThreadPool>(threadCount);
110 ✗ return *threadPool;
111 }
112
113 ✗ size_t GlobalResourceManager::getTotalLineCount() const {
114 ✗ const auto acc = [](size_t sum, const auto &sourceFile) { return sum + FileUtil::getLineCount(sourceFile.second->filePath); };
115 ✗ return std::accumulate(sourceFiles.begin(), sourceFiles.end(), 0, acc);
116 }
117
118 } // namespace spice::compiler
119