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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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4
lib/AST/ModuleLoader.cpp
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@@ -94,7 +94,9 @@ static bool findOverlayFilesInDirectory(ASTContext &ctx, StringRef path,
callback(file);
}
if (error && error != std::errc::no_such_file_or_directory) {
// A CAS file list returns operation not permitted on directory iterations.
if (error && error != std::errc::no_such_file_or_directory &&
error != std::errc::operation_not_permitted) {
ctx.Diags.diagnose(diagLoc, diag::cannot_list_swiftcrossimport_dir,
moduleName, error.message(), path);
}