jansvoboda11 updated this revision to Diff 378980.
jansvoboda11 added a comment.
Leave existing cache, create new cache indexed by module names.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D111543/new/
https://reviews.llvm.org/D111543
Files:
clang/include/clang/Lex/ModuleMap.h
clang/lib/Frontend/CompilerInstance.cpp
clang/test/Modules/Inputs/module-name-used-by-objc-bridge/Interface.h
clang/test/Modules/Inputs/module-name-used-by-objc-bridge/InterfaceBridge.h
clang/test/Modules/Inputs/module-name-used-by-objc-bridge/module.modulemap
clang/test/Modules/module-name-used-by-objc-bridge.m
Index: clang/test/Modules/module-name-used-by-objc-bridge.m
===================================================================
--- /dev/null
+++ clang/test/Modules/module-name-used-by-objc-bridge.m
@@ -0,0 +1,25 @@
+// RUN: rm -rf %t && mkdir %t
+
+// RUN: %clang_cc1 -fmodules -x objective-c -emit-module -fmodule-name=InterfaceBridge \
+// RUN: %S/Inputs/module-name-used-by-objc-bridge/module.modulemap -o %t/InterfaceBridge.pcm
+
+// RUN: %clang_cc1 -fmodules -x objective-c -emit-module -fmodule-name=Interface \
+// RUN: %S/Inputs/module-name-used-by-objc-bridge/module.modulemap -o %t/Interface.pcm
+
+// Check that the `-fmodule-file=<name>=<path>` form succeeds:
+// RUN: %clang_cc1 -fmodules -fsyntax-only %s -I %S/Inputs/module-name-used-by-objc-bridge \
+// RUN: -fmodule-file=InterfaceBridge=%t/InterfaceBridge.pcm -fmodule-file=Interface=%t/Interface.pcm \
+// RUN: -fmodule-map-file=%S/Inputs/module-name-used-by-objc-bridge/module.modulemap -verify
+
+// Check that the `-fmodule-file=<path>` form succeeds:
+// RUN: %clang_cc1 -fmodules -fsyntax-only %s -I %S/Inputs/module-name-used-by-objc-bridge \
+// RUN: -fmodule-file=%t/InterfaceBridge.pcm -fmodule-file=%t/Interface.pcm \
+// RUN: -fmodule-map-file=%S/Inputs/module-name-used-by-objc-bridge/module.modulemap -verify
+
+#import "InterfaceBridge.h"
+#import "Interface.h"
+
+@interface Interface (User)
+@end
+
+// expected-no-diagnostics
Index: clang/test/Modules/Inputs/module-name-used-by-objc-bridge/module.modulemap
===================================================================
--- /dev/null
+++ clang/test/Modules/Inputs/module-name-used-by-objc-bridge/module.modulemap
@@ -0,0 +1,7 @@
+module InterfaceBridge {
+ header "InterfaceBridge.h"
+}
+
+module Interface {
+ header "Interface.h"
+}
Index: clang/test/Modules/Inputs/module-name-used-by-objc-bridge/InterfaceBridge.h
===================================================================
--- /dev/null
+++ clang/test/Modules/Inputs/module-name-used-by-objc-bridge/InterfaceBridge.h
@@ -0,0 +1 @@
+typedef struct __attribute__((objc_bridge(Interface))) Foo *Bar;
Index: clang/test/Modules/Inputs/module-name-used-by-objc-bridge/Interface.h
===================================================================
--- /dev/null
+++ clang/test/Modules/Inputs/module-name-used-by-objc-bridge/Interface.h
@@ -0,0 +1,2 @@
+@interface Interface
+@end
Index: clang/lib/Frontend/CompilerInstance.cpp
===================================================================
--- clang/lib/Frontend/CompilerInstance.cpp
+++ clang/lib/Frontend/CompilerInstance.cpp
@@ -1639,28 +1639,27 @@
// the files we were handed.
struct ReadModuleNames : ASTReaderListener {
CompilerInstance &CI;
- llvm::SmallVector<IdentifierInfo*, 8> LoadedModules;
+ llvm::SmallVector<StringRef, 8> LoadedModules;
ReadModuleNames(CompilerInstance &CI) : CI(CI) {}
void ReadModuleName(StringRef ModuleName) override {
- LoadedModules.push_back(
- CI.getPreprocessor().getIdentifierInfo(ModuleName));
+ LoadedModules.push_back(ModuleName);
}
void registerAll() {
ModuleMap &MM = CI.getPreprocessor().getHeaderSearchInfo().getModuleMap();
- for (auto *II : LoadedModules)
- MM.cacheModuleLoad(*II, MM.findModule(II->getName()));
+ for (StringRef LoadedModule : LoadedModules)
+ MM.cacheTopLevelModuleLoad(LoadedModule, MM.findModule(LoadedModule));
LoadedModules.clear();
}
void markAllUnavailable() {
- for (auto *II : LoadedModules) {
+ for (StringRef LoadedModule : LoadedModules) {
if (Module *M = CI.getPreprocessor()
.getHeaderSearchInfo()
.getModuleMap()
- .findModule(II->getName())) {
+ .findModule(LoadedModule)) {
M->HasIncompatibleModuleFile = true;
// Mark module as available if the only reason it was unavailable
Index: clang/include/clang/Lex/ModuleMap.h
===================================================================
--- clang/include/clang/Lex/ModuleMap.h
+++ clang/include/clang/Lex/ModuleMap.h
@@ -101,6 +101,10 @@
/// The top-level modules that are known.
llvm::StringMap<Module *> Modules;
+ /// Top-module loading cache, indexed by module names.
+ /// nullptr is stored for modules that are known to fail to load.
+ llvm::StringMap<Module*, llvm::BumpPtrAllocator> CachedTopLevelModuleLoads;
+
/// Module loading cache that includes submodules, indexed by IdentifierInfo.
/// nullptr is stored for modules that are known to fail to load.
llvm::DenseMap<const IdentifierInfo *, Module *> CachedModuleLoads;
@@ -707,12 +711,22 @@
CachedModuleLoads[&II] = M;
}
+ /// Cache a top-level module load. M might be nullptr.
+ void cacheTopLevelModuleLoad(StringRef ModuleName, Module *M) {
+ CachedTopLevelModuleLoads[ModuleName] = M;
+ }
+
/// Return a cached module load.
llvm::Optional<Module *> getCachedModuleLoad(const IdentifierInfo &II) {
- auto I = CachedModuleLoads.find(&II);
- if (I == CachedModuleLoads.end())
- return None;
- return I->second;
+ auto It1 = CachedModuleLoads.find(&II);
+ if (It1 != CachedModuleLoads.end())
+ return It1->second;
+
+ auto It2 = CachedTopLevelModuleLoads.find(II.getName());
+ if (It2 != CachedTopLevelModuleLoads.end())
+ return CachedModuleLoads[&II] = It2->second;
+
+ return None;
}
};
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