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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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14
lib/Frontend/Frontend.cpp
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@@ -630,11 +630,9 @@ bool CompilerInstance::setUpVirtualFileSystemOverlays() {
}
if (Invocation.getCASOptions().requireCASFS()) {
if (!CASOpts.CASFSRootIDs.empty() || !CASOpts.ClangIncludeTree.empty() ||
!CASOpts.ClangIncludeTreeFileList.empty()) {
if (Invocation.getCASOptions().HasImmutableFileSystem) {
// Set up CASFS as BaseFS.
auto FS = createCASFileSystem(*CAS, CASOpts.CASFSRootIDs,
CASOpts.ClangIncludeTree,
auto FS = createCASFileSystem(*CAS, CASOpts.ClangIncludeTree,
CASOpts.ClangIncludeTreeFileList);
if (!FS) {
Diagnostics.diagnose(SourceLoc(), diag::error_cas_fs_creation,
@@ -682,8 +680,8 @@ bool CompilerInstance::setUpVirtualFileSystemOverlays() {
}
}
llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem> OverlayVFS =
new llvm::vfs::OverlayFileSystem(SourceMgr.getFileSystem());
OverlayVFS->pushOverlay(MemFS);
new llvm::vfs::OverlayFileSystem(MemFS);
OverlayVFS->pushOverlay(SourceMgr.getFileSystem());
SourceMgr.setFileSystem(std::move(OverlayVFS));
}
@@ -967,10 +965,10 @@ std::string CompilerInstance::getBridgingHeaderPath() const {
}
bool CompilerInstance::setUpInputs() {
// There is no input file when building PCM using ClangIncludeTree.
// There is no input file when building PCM using Caching.
if (Invocation.getFrontendOptions().RequestedAction ==
FrontendOptions::ActionType::EmitPCM &&
Invocation.getClangImporterOptions().HasClangIncludeTreeRoot)
Invocation.getCASOptions().EnableCaching)
return false;
// Adds to InputSourceCodeBufferIDs, so may need to happen before the