GCC Code Coverage Report

Directory: ../
File: src/iroptimizer/IROptimizer.cpp
Date: 2024-12-24 01:17:15
Exec Total Coverage
Lines: 46 49 93.9%
Functions: 6 6 100.0%
Branches: 26 54 48.1%
Line Branch Exec Source
1 // Copyright (c) 2021-2024 ChilliBits. All rights reserved.
2
3 #include "IROptimizer.h"
4
5 #include <llvm/Analysis/ModuleSummaryAnalysis.h>
6 #include <llvm/Transforms/IPO/AlwaysInliner.h>
7
8 #include <driver/Driver.h>
9
10 namespace spice::compiler {
11
12 31 void IROptimizer::prepare() {
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 31 llvm::PipelineTuningOptions pto;
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 31 if (!resourceManager.cliOptions.testMode)
15 ✗ si.registerCallbacks(pic, &moduleAnalysisMgr);
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 31 passBuilder = std::make_unique<llvm::PassBuilder>(sourceFile->targetMachine.get(), pto, std::nullopt, &pic);
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 62 functionAnalysisMgr.registerPass([&] { return passBuilder->buildDefaultAAPipeline(); });
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 31 passBuilder->registerModuleAnalyses(moduleAnalysisMgr);
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 31 passBuilder->registerCGSCCAnalyses(cgsccAnalysisMgr);
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 31 passBuilder->registerFunctionAnalyses(functionAnalysisMgr);
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 31 passBuilder->registerLoopAnalyses(loopAnalysisMgr);
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 31 passBuilder->crossRegisterProxies(loopAnalysisMgr, functionAnalysisMgr, cgsccAnalysisMgr, moduleAnalysisMgr);
25 31 }
26
27 29 void IROptimizer::optimizeDefault() {
28
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 29 if (cliOptions.printDebugOutput && cliOptions.dumpSettings.dumpIR && !cliOptions.dumpSettings.dumpToFiles)
29 − std::cout << "\nOptimizing on level " + std::to_string(cliOptions.optLevel) << " ...\n"; // GCOV_EXCL_LINE
30
31 // Run passes
32 29 const llvm::OptimizationLevel llvmOptLevel = getLLVMOptLevelFromSpiceOptLevel();
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 29 llvm::ModulePassManager modulePassMgr = passBuilder->buildPerModuleDefaultPipeline(llvmOptLevel);
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 29 modulePassMgr.addPass(llvm::AlwaysInlinerPass());
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 29 modulePassMgr.run(*sourceFile->llvmModule, moduleAnalysisMgr);
36 29 }
37
38 1 void IROptimizer::optimizePreLink() {
39 − if (cliOptions.printDebugOutput && cliOptions.dumpSettings.dumpIR && !cliOptions.dumpSettings.dumpToFiles) // GCOV_EXCL_LINE
40 − std::cout << "\nOptimizing on level " + std::to_string(cliOptions.optLevel) << " (pre-link) ...\n"; // GCOV_EXCL_LINE
41
42 // Run passes
43 1 const llvm::OptimizationLevel llvmOptLevel = getLLVMOptLevelFromSpiceOptLevel();
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 1 llvm::ModulePassManager modulePassMgr = passBuilder->buildLTOPreLinkDefaultPipeline(llvmOptLevel);
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 1 modulePassMgr.addPass(llvm::AlwaysInlinerPass());
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 1 modulePassMgr.run(*sourceFile->llvmModule, moduleAnalysisMgr);
47
48 // Generate module summary index
49 llvm::ModuleSummaryIndexAnalysis moduleSummaryIndexAnalysis;
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 1 moduleSummaryIndexAnalysis.run(*sourceFile->llvmModule, moduleAnalysisMgr);
51 1 }
52
53 1 void IROptimizer::optimizePostLink() {
54 − if (cliOptions.printDebugOutput && cliOptions.dumpSettings.dumpIR && !cliOptions.dumpSettings.dumpToFiles) // GCOV_EXCL_LINE
55 − std::cout << "\nOptimizing on level " + std::to_string(cliOptions.optLevel) << " (post-link) ...\n"; // GCOV_EXCL_LINE
56 1 llvm::Module &ltoModule = *resourceManager.ltoModule;
57
58 // Compute module summary index
59 llvm::ModuleSummaryIndexAnalysis moduleSummaryIndexAnalysis;
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 1 llvm::ModuleSummaryIndex moduleSummaryIndex = moduleSummaryIndexAnalysis.run(ltoModule, moduleAnalysisMgr);
61 1 moduleSummaryIndex.setWithWholeProgramVisibility();
62
63 // Run passes
64 1 const llvm::OptimizationLevel llvmOptLevel = getLLVMOptLevelFromSpiceOptLevel();
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 1 llvm::ModulePassManager modulePassMgr = passBuilder->buildLTODefaultPipeline(llvmOptLevel, &moduleSummaryIndex);
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 1 modulePassMgr.addPass(llvm::AlwaysInlinerPass());
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 1 modulePassMgr.run(ltoModule, moduleAnalysisMgr);
68 1 }
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70 31 llvm::OptimizationLevel IROptimizer::getLLVMOptLevelFromSpiceOptLevel() const {
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 31 switch (cliOptions.optLevel) {
72 1 case O1:
73 1 return llvm::OptimizationLevel::O1;
74 22 case O2:
75 22 return llvm::OptimizationLevel::O2;
76 6 case O3:
77 6 return llvm::OptimizationLevel::O3;
78 1 case Os:
79 1 return llvm::OptimizationLevel::Os;
80 1 case Oz:
81 1 return llvm::OptimizationLevel::Oz;
82 ✗ default:
83 ✗ return llvm::OptimizationLevel::O0;
84 }
85 }
86
87 } // namespace spice::compiler
88