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Added command line option -no-lazy to disable JIT lazy compilation.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50095 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-04-22 06:51:41 +00:00
parent d38c14e6ed
commit c290a5b9ff
1 changed files with 30 additions and 8 deletions
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38
tools/lli/lli.cpp
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@ -52,6 +52,11 @@ namespace {
cl::opt<bool>
DisableCoreFiles("disable-core-files", cl::Hidden,
cl::desc("Disable emission of core files if possible"));
cl::opt<bool>
NoLazyCompilation("no-lazy",
cl::desc("Disable JIT lazy compilation"),
cl::init(false));
}
static ExecutionEngine *EE = 0;
@ -76,8 +81,8 @@ int main(int argc, char **argv, char * const *envp) {
// Load the bitcode...
std::string ErrorMsg;
ModuleProvider *MP = 0;
if (MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFile,&ErrorMsg)){
ModuleProvider *MP = NULL;
if (MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFile,&ErrorMsg)) {
MP = getBitcodeModuleProvider(Buffer, &ErrorMsg);
if (!MP) delete Buffer;
}
@ -89,18 +94,27 @@ int main(int argc, char **argv, char * const *envp) {
}
// Get the module as the MP could go away once EE takes over.
Module *Mod = MP->getModule();
Module *Mod = NoLazyCompilation
? MP->materializeModule(&ErrorMsg) : MP->getModule();
if (!Mod) {
std::cerr << argv[0] << ": bitcode didn't read correctly.\n";
std::cerr << "Reason: " << ErrorMsg << "\n";
exit(1);
}
// If we are supposed to override the target triple, do so now.
if (!TargetTriple.empty())
Mod->setTargetTriple(TargetTriple);
EE = ExecutionEngine::create(MP, ForceInterpreter, &ErrorMsg);
if (!EE && !ErrorMsg.empty()) {
std::cerr << argv[0] << ":error creating EE: " << ErrorMsg << "\n";
exit(1);
}
if (NoLazyCompilation)
EE->DisableLazyCompilation();
// If the user specifically requested an argv[0] to pass into the program,
// do it now.
if (!FakeArgv0.empty()) {
@ -120,8 +134,8 @@ int main(int argc, char **argv, char * const *envp) {
// using the contents of Args to determine argc & argv, and the contents of
// EnvVars to determine envp.
//
Function *Fn = Mod->getFunction("main");
if (!Fn) {
Function *MainFn = Mod->getFunction("main");
if (!MainFn) {
std::cerr << "'main' function not found in module.\n";
return -1;
}
@ -136,9 +150,17 @@ int main(int argc, char **argv, char * const *envp) {
// Run static constructors.
EE->runStaticConstructorsDestructors(false);
if (NoLazyCompilation) {
for (Module::iterator I = Mod->begin(), E = Mod->end(); I != E; ++I) {
Function *Fn = &*I;
if (Fn != MainFn && !Fn->isDeclaration())
EE->getPointerToFunction(Fn);
}
}
// Run main.
int Result = EE->runFunctionAsMain(Fn, InputArgv, envp);
int Result = EE->runFunctionAsMain(MainFn, InputArgv, envp);
// Run static destructors.
EE->runStaticConstructorsDestructors(true);