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[lli] Make the OptLevel (-O=<char>) option accessible to the lazy JIT. 

No test case - this only affects generated code performance.

llvm-svn: 239383
This commit is contained in:
Lang Hames 2015-06-09 02:43:27 +00:00
parent 78324f2bce
commit 1899d0c3b1
2 changed files with 20 additions and 13 deletions
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7
llvm/tools/lli/OrcLazyJIT.cpp
View File

@ -108,6 +108,9 @@ OrcLazyJIT::TransformFtor OrcLazyJIT::createDebugDumper() {
llvm_unreachable("Unknown DumpKind");
}
// Defined in lli.cpp.
CodeGenOpt::Level getOptLevel();
int llvm::runOrcLazyJIT(std::unique_ptr<Module> M, int ArgC, char* ArgV[]) {
// Add the program's symbols into the JIT's search space.
if (sys::DynamicLibrary::LoadLibraryPermanently(nullptr)) {
@ -117,7 +120,9 @@ int llvm::runOrcLazyJIT(std::unique_ptr<Module> M, int ArgC, char* ArgV[]) {
// Grab a target machine and try to build a factory function for the
// target-specific Orc callback manager.
auto TM = std::unique_ptr<TargetMachine>(EngineBuilder().selectTarget());
EngineBuilder EB;
EB.setOptLevel(getOptLevel());
auto TM = std::unique_ptr<TargetMachine>(EB.selectTarget());
auto &Context = getGlobalContext();
auto CallbackMgrBuilder =
OrcLazyJIT::createCallbackManagerBuilder(Triple(TM->getTargetTriple()));

26
llvm/tools/lli/lli.cpp
View File

@ -365,6 +365,19 @@ static void addCygMingExtraModule(ExecutionEngine *EE,
EE->addModule(std::move(M));
}
CodeGenOpt::Level getOptLevel() {
switch (OptLevel) {
default:
errs() << "lli: Invalid optimization level.\n";
exit(1);
case '0': return CodeGenOpt::None;
case '1': return CodeGenOpt::Less;
case ' ':
case '2': return CodeGenOpt::Default;
case '3': return CodeGenOpt::Aggressive;
}
llvm_unreachable("Unrecognized opt level.");
}
//===----------------------------------------------------------------------===//
// main Driver function
@ -451,18 +464,7 @@ int main(int argc, char **argv, char * const *envp) {
exit(1);
}
CodeGenOpt::Level OLvl = CodeGenOpt::Default;
switch (OptLevel) {
default:
errs() << argv[0] << ": invalid optimization level.\n";
return 1;
case ' ': break;
case '0': OLvl = CodeGenOpt::None; break;
case '1': OLvl = CodeGenOpt::Less; break;
case '2': OLvl = CodeGenOpt::Default; break;
case '3': OLvl = CodeGenOpt::Aggressive; break;
}
builder.setOptLevel(OLvl);
builder.setOptLevel(getOptLevel());
TargetOptions Options;
if (FloatABIForCalls != FloatABI::Default)