GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 94.1% 48 / 4 / 55
Functions: 80.0% 8 / 0 / 10
Branches: 57.6% 53 / 8 / 100
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 <typechecker/UnionManager.h>
17 #include <util/FileUtil.h>
18
19 #include <llvm/IR/Module.h>
20 #include <llvm/Support/ManagedStatic.h>
21 #include <llvm/Support/TargetSelect.h>
22 #include <llvm/TargetParser/Host.h>
23 #include <llvm/TargetParser/SubtargetFeature.h>
24
25 namespace spice::compiler {
26
27 1380 GlobalResourceManager::GlobalResourceManager(const CliOptions &cliOptions)
28
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 1380 : cliOptions(cliOptions), linker(cliOptions), cacheManager(cliOptions), runtimeModuleManager(*this) {
29 // Initialize the required LLVM targets
30
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 1380 if (cliOptions.isNativeTarget) {
31
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 1364 llvm::InitializeNativeTarget();
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 1364 llvm::InitializeNativeTargetAsmPrinter();
33
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 1364 llvm::InitializeNativeTargetAsmParser();
34 } else { // GCOV_EXCL_START
35 − llvm::InitializeAllTargets();
36 − llvm::InitializeAllTargetMCs();
37 − llvm::InitializeAllAsmPrinters();
38 − llvm::InitializeAllAsmParsers();
39 } // GCOV_EXCL_STOP
40
41 // Create cpu name and features strings
42
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 1380 cpuName = "generic";
43
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 1380 if (cliOptions.isNativeTarget && cliOptions.useCPUFeatures) {
44 // Retrieve native CPU name and the supported CPU features
45
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 14 cpuName = llvm::sys::getHostCPUName();
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 14 llvm::SubtargetFeatures features;
47
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 3234 for (const auto &[feature, isEnabled] : llvm::sys::getHostCPUFeatures())
48
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 1610 features.AddFeature(feature, isEnabled);
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 14 cpuFeatures = features.getString();
50 14 }
51
52
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 1380 if (cliOptions.useLTO) {
53 // Discard value names if not required
54
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 1 ltoContext.setDiscardValueNames(!cliOptions.namesForIRValues);
55 // Create lto module
56
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 1 ltoModule = std::make_unique<llvm::Module>(LTO_FILE_NAME, ltoContext);
57 }
58 1380 }
59
60 1380 GlobalResourceManager::~GlobalResourceManager() {
61 // Notify all global components to prepare to destroy
62 1380 TypeRegistry::clear();
63 1380 TypeNameDisambiguator::clear();
64 1380 FunctionManager::cleanup();
65 1380 StructManager::cleanup();
66 1380 InterfaceManager::cleanup();
67 1380 UnionManager::cleanup();
68 // Cleanup all LLVM statics
69 1380 llvm::llvm_shutdown();
70 1380 }
71
72 7251 SourceFile *GlobalResourceManager::createSourceFile(SourceFile *parent, const std::string &depName,
73 const std::filesystem::path &path, bool isStdFile) {
74 // Check if the source file was already added (e.g. by another source file that imports it)
75
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 7251 const std::string filePathStr = weakly_canonical(absolute(path)).string();
76
77 // Create the new source file if it does not exist yet
78
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 7251 if (!sourceFiles.contains(filePathStr))
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 5602 sourceFiles.emplace(filePathStr, std::make_unique<SourceFile>(*this, parent, depName, path, isStdFile));
80
81
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 14502 return sourceFiles.at(filePathStr).get();
82 7251 }
83
84 6154 uint64_t GlobalResourceManager::getNextCustomTypeId() { return nextCustomTypeId++; }
85
86 371699 uint64_t GlobalResourceManager::getNextScopeId() { return nextScopeId++; }
87
88 /**
89 * Get the id of the given AST node. Node ids are assigned in creation order per source file, so unlike the node address,
90 * they are the same in every compiler run
91 *
92 * @param node AST node
93 * @return Node id / 0 if the node was not created by the AST builder
94 */
95 53846 size_t GlobalResourceManager::getNodeId(const ASTNode *node) const {
96
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 53846 const auto it = nodeToNodeId.find(node);
97
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 107692 return it != nodeToNodeId.end() ? it->second : 0;
98 }
99
100 /**
101 * Determine how many source files may be compiled at the same time, based on the --jobs/-j cli option
102 *
103 * @return Number of compile jobs (always >= 1)
104 */
105 870 size_t GlobalResourceManager::getCompileJobCount() const {
106 // An explicit job count always wins
107
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 870 if (cliOptions.compileJobCount > 0)
108 854 return cliOptions.compileJobCount;
109
110 // Otherwise derive the job count from the machine. hardware_concurrency may return 0 if it cannot be determined, in
111 // which case we fall back to a serial back end.
112 16 const unsigned int hardwareConcurrency = std::thread::hardware_concurrency();
113
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 16 return hardwareConcurrency > 0 ? hardwareConcurrency : 1;
114 }
115
116 /**
117 * Get the worker pool for parallel compiler passes. The pool is created on first use and re-used afterwards.
118 *
119 * @param threadCount Number of worker threads to create the pool with
120 * @return Thread pool
121 */
122 16 ThreadPool &GlobalResourceManager::getThreadPool(size_t threadCount) {
123
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 16 assert(threadCount > 0);
124
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 16 if (!threadPool)
125
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 10 threadPool = std::make_unique<ThreadPool>(threadCount);
126 16 return *threadPool;
127 }
128
129 ✗ size_t GlobalResourceManager::getTotalLineCount() const {
130 ✗ const auto acc = [](size_t sum, const auto &sourceFile) { return sum + FileUtil::getLineCount(sourceFile.second->filePath); };
131 ✗ return std::accumulate(sourceFiles.begin(), sourceFiles.end(), 0, acc);
132 }
133
134 } // namespace spice::compiler
135