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[Caching] Remove CASFS clang module implemenation

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Remove the CASFS based clang module implemenation as it is not longer
used.
This commit is contained in:
Steven Wu
2025-04-24 10:13:52 -07:00
parent 7025bf816b
commit 3c81c1ca9f
18 changed files with 46 additions and 370 deletions
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23
include/swift/AST/ModuleDependencies.h
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@@ -1000,7 +1000,7 @@ using ModuleDependenciesKindMap =
/// Track swift dependency
class SwiftDependencyTracker {
public:
SwiftDependencyTracker(llvm::cas::CachingOnDiskFileSystem &FS,
SwiftDependencyTracker(std::shared_ptr<llvm::cas::ObjectStore> CAS,
llvm::PrefixMapper *Mapper,
const CompilerInvocation &CI);
@@ -1009,7 +1009,8 @@ public:
llvm::Expected<llvm::cas::ObjectProxy> createTreeFromDependencies();
private:
llvm::IntrusiveRefCntPtr<llvm::cas::CachingOnDiskFileSystem> FS;
llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS;
std::shared_ptr<llvm::cas::ObjectStore> CAS;
llvm::PrefixMapper *Mapper;
struct FileEntry {
@@ -1035,10 +1036,7 @@ class SwiftDependencyScanningService {
ClangScanningService;
/// CachingOnDiskFileSystem for dependency tracking.
llvm::IntrusiveRefCntPtr<llvm::cas::CachingOnDiskFileSystem> CacheFS;
/// If use clang include tree.
bool UseClangIncludeTree = false;
llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> CacheFS;
/// CAS Instance.
std::shared_ptr<llvm::cas::ObjectStore> CAS;
@@ -1076,8 +1074,8 @@ public:
return *SharedFilesystemCache;
}
llvm::cas::CachingOnDiskFileSystem &getSharedCachingFS() const {
assert(CacheFS && "Expect CachingOnDiskFileSystem");
llvm::vfs::FileSystem &getSharedCachingFS() const {
assert(CacheFS && "Expect a CASFileSystem");
return *CacheFS;
}
@@ -1088,20 +1086,17 @@ public:
std::optional<SwiftDependencyTracker>
createSwiftDependencyTracker(const CompilerInvocation &CI) {
if (!CacheFS)
if (!CAS)
return std::nullopt;
return SwiftDependencyTracker(*CacheFS, Mapper.get(), CI);
return SwiftDependencyTracker(CAS, Mapper.get(), CI);
}
llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> getClangScanningFS() const {
if (UseClangIncludeTree)
if (CAS)
return llvm::cas::createCASProvidingFileSystem(
CAS, llvm::vfs::createPhysicalFileSystem());
if (CacheFS)
return CacheFS->createProxyFS();
return llvm::vfs::createPhysicalFileSystem();
}