llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: Jan Svoboda (jansvoboda11) <details> <summary>Changes</summary> Instead of handling the context hash in a preprocessor callback on each file change, do it once at the end of the scan. --- Full diff: https://github.com/llvm/llvm-project/pull/141966.diff 2 Files Affected: - (modified) clang/include/clang/Tooling/DependencyScanning/ModuleDepCollector.h (-2) - (modified) clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp (+3-7) ``````````diff diff --git a/clang/include/clang/Tooling/DependencyScanning/ModuleDepCollector.h b/clang/include/clang/Tooling/DependencyScanning/ModuleDepCollector.h index 06717a64c9a78..ad452a3faa73c 100644 --- a/clang/include/clang/Tooling/DependencyScanning/ModuleDepCollector.h +++ b/clang/include/clang/Tooling/DependencyScanning/ModuleDepCollector.h @@ -325,8 +325,6 @@ class ModuleDepCollector final : public DependencyCollector { const ArrayRef<StringRef> StableDirs; /// Path to the main source file. std::string MainFile; - /// Hash identifying the compilation conditions of the current TU. - std::string ContextHash; /// Non-modular file dependencies. This includes the main source file and /// textually included header files. std::vector<std::string> FileDeps; diff --git a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp index 45901cbcedcb7..a6693e5a870e2 100644 --- a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp +++ b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp @@ -632,13 +632,6 @@ void ModuleDepCollectorPP::LexedFileChanged(FileID FID, if (Reason != LexedFileChangeReason::EnterFile) return; - // This has to be delayed as the context hash can change at the start of - // `CompilerInstance::ExecuteAction`. - if (MDC.ContextHash.empty()) { - MDC.ContextHash = MDC.ScanInstance.getInvocation().getModuleHash(); - MDC.Consumer.handleContextHash(MDC.ContextHash); - } - SourceManager &SM = MDC.ScanInstance.getSourceManager(); // Dependency generation really does want to go all the way to the @@ -720,6 +713,9 @@ void ModuleDepCollectorPP::EndOfMainFile() { for (const Module *M : MDC.DirectModularDeps) handleTopLevelModule(M); + MDC.Consumer.handleContextHash( + MDC.ScanInstance.getInvocation().getModuleHash()); + MDC.Consumer.handleDependencyOutputOpts(*MDC.Opts); if (MDC.Service.getFormat() == ScanningOutputFormat::P1689) `````````` </details> https://github.com/llvm/llvm-project/pull/141966 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits