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[CAS] swift dependency scanning using CAS for compiler caching (#66366)

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Teach swift dependency scanner to use CAS to capture the full dependencies for a build and construct build commands with immutable inputs from CAS.

This allows swift compilation caching using CAS.
This commit is contained in:
Steven Wu
2023-06-12 10:55:53 -07:00
committed by GitHub
parent 2db4a038c3
commit b1f99b8e93
34 changed files with 2671 additions and 298 deletions
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18
lib/Frontend/CompilerInvocation.cpp
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@@ -1438,12 +1438,15 @@ static bool ParseClangImporterArgs(ClangImporterOptions &Opts,
Opts.ExtraArgs.push_back("-fdebug-prefix-map=" + Val);
}
if (!workingDirectory.empty()) {
// Provide a working directory to Clang as well if there are any -Xcc
// options, in case some of them are search-related. But do it at the
// beginning, so that an explicit -Xcc -working-directory will win.
Opts.ExtraArgs.insert(Opts.ExtraArgs.begin(),
{"-working-directory", workingDirectory.str()});
if (FrontendOpts.CASFSRootIDs.empty() &&
FrontendOpts.ClangIncludeTrees.empty()) {
if (!workingDirectory.empty()) {
// Provide a working directory to Clang as well if there are any -Xcc
// options, in case some of them are search-related. But do it at the
// beginning, so that an explicit -Xcc -working-directory will win.
Opts.ExtraArgs.insert(Opts.ExtraArgs.begin(),
{"-working-directory", workingDirectory.str()});
}
}
Opts.DumpClangDiagnostics |= Args.hasArg(OPT_dump_clang_diagnostics);
@@ -1463,6 +1466,8 @@ static bool ParseClangImporterArgs(ClangImporterOptions &Opts,
if (auto *A = Args.getLastArg(OPT_import_objc_header))
Opts.BridgingHeader = A->getValue();
Opts.BridgingHeaderPCHCacheKey =
Args.getLastArgValue(OPT_bridging_header_pch_key);
Opts.DisableSwiftBridgeAttr |= Args.hasArg(OPT_disable_swift_bridge_attr);
Opts.DisableOverlayModules |= Args.hasArg(OPT_emit_imported_modules);
@@ -1473,6 +1478,7 @@ static bool ParseClangImporterArgs(ClangImporterOptions &Opts,
Opts.ExtraArgsOnly |= Args.hasArg(OPT_extra_clang_options_only);
Opts.DirectClangCC1ModuleBuild |= Args.hasArg(OPT_direct_clang_cc1_module_build);
Opts.UseClangIncludeTree |= Args.hasArg(OPT_clang_include_tree);
if (const Arg *A = Args.getLastArg(OPT_pch_output_dir)) {
Opts.PrecompiledHeaderOutputDir = A->getValue();