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Add support for deleting a module provider from a JIT in such a way that it does not cause the owned module to be fully materialized.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62864 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman 2009-01-23 19:27:28 +00:00
parent 80303aade2
commit 60789e419e
4 changed files with 48 additions and 2 deletions
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8
include/llvm/ExecutionEngine/ExecutionEngine.h
View File

@ -143,10 +143,16 @@ public:
/// removeModuleProvider - Remove a ModuleProvider from the list of modules.
/// Release module from ModuleProvider.
/// Relases the Module from the ModuleProvider, materializing it in the
/// process, and returns the materialized Module.
virtual Module* removeModuleProvider(ModuleProvider *P,
std::string *ErrInfo = 0);
/// deleteModuleProvider - Remove a ModuleProvider from the list of modules,
/// and deletes the ModuleProvider and owned Module. Avoids materializing
/// the underlying module.
virtual void deleteModuleProvider(ModuleProvider *P,std::string *ErrInfo = 0);
/// FindFunctionNamed - Search all of the active modules to find the one that
/// defines FnName. This is very slow operation and shouldn't be used for
/// general code.

20
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -59,7 +59,8 @@ char* ExecutionEngine::getMemoryForGV(const GlobalVariable* GV) {
}
/// removeModuleProvider - Remove a ModuleProvider from the list of modules.
/// Release module from ModuleProvider.
/// Relases the Module from the ModuleProvider, materializing it in the
/// process, and returns the materialized Module.
Module* ExecutionEngine::removeModuleProvider(ModuleProvider *P,
std::string *ErrInfo) {
for(SmallVector<ModuleProvider *, 1>::iterator I = Modules.begin(),
@ -74,6 +75,23 @@ Module* ExecutionEngine::removeModuleProvider(ModuleProvider *P,
return NULL;
}
/// deleteModuleProvider - Remove a ModuleProvider from the list of modules,
/// and deletes the ModuleProvider and owned Module. Avoids materializing
/// the underlying module.
void ExecutionEngine::deleteModuleProvider(ModuleProvider *P,
std::string *ErrInfo) {
for(SmallVector<ModuleProvider *, 1>::iterator I = Modules.begin(),
E = Modules.end(); I != E; ++I) {
ModuleProvider *MP = *I;
if (MP == P) {
Modules.erase(I);
clearGlobalMappingsFromModule(MP->getModule());
delete MP;
return;
}
}
}
/// FindFunctionNamed - Search all of the active modules to find the one that
/// defines FnName. This is very slow operation and shouldn't be used for
/// general code.

13
lib/ExecutionEngine/JIT/JIT.cpp
View File

@ -297,6 +297,19 @@ Module *JIT::removeModuleProvider(ModuleProvider *MP, std::string *E) {
return result;
}
/// deleteModuleProvider - Remove a ModuleProvider from the list of modules,
/// and deletes the ModuleProvider and owned Module. Avoids materializing
/// the underlying module.
void JIT::deleteModuleProvider(ModuleProvider *MP, std::string *E) {
ExecutionEngine::deleteModuleProvider(MP, E);
MutexGuard locked(lock);
if (Modules.empty()) {
delete jitstate;
jitstate = 0;
}
}
/// run - Start execution with the specified function and arguments.
///
GenericValue JIT::runFunction(Function *F,

9
lib/ExecutionEngine/JIT/JIT.h
View File

@ -77,9 +77,18 @@ public:
}
virtual void addModuleProvider(ModuleProvider *MP);
/// removeModuleProvider - Remove a ModuleProvider from the list of modules.
/// Relases the Module from the ModuleProvider, materializing it in the
/// process, and returns the materialized Module.
virtual Module *removeModuleProvider(ModuleProvider *MP,
std::string *ErrInfo = 0);
/// deleteModuleProvider - Remove a ModuleProvider from the list of modules,
/// and deletes the ModuleProvider and owned Module. Avoids materializing
/// the underlying module.
virtual void deleteModuleProvider(ModuleProvider *P,std::string *ErrInfo = 0);
/// runFunction - Start execution with the specified function and arguments.
///
virtual GenericValue runFunction(Function *F,