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Default llc / lli optimization to "Default", which corresponds to -O1 / -O2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70934 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -55,10 +55,11 @@ OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"));
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static cl::opt<bool> Force("f", cl::desc("Overwrite output files"));
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// Determine optimization level. Level -O0 is equivalent to "fast" code gen.
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// Determine optimization level.
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static cl::opt<char>
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OptLevel("O",
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cl::desc("Optimization level. [-O0, -O1, -O2, or -O3]"),
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cl::desc("Optimization level. [-O0, -O1, -O2, or -O3] "
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"(default = '-O2')"),
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cl::Prefix,
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cl::ZeroOrMore,
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cl::init(' '));
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@ -253,8 +254,7 @@ int main(int argc, char **argv) {
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raw_ostream *Out = GetOutputStream(argv[0]);
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if (Out == 0) return 1;
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CodeGenOpt::Level OLvl = CodeGenOpt::Aggressive;
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CodeGenOpt::Level OLvl = CodeGenOpt::Default;
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switch (OptLevel) {
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default:
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std::cerr << argv[0] << ": invalid optimization level.\n";
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@ -43,10 +43,14 @@ namespace {
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cl::desc("Force interpretation: disable JIT"),
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cl::init(false));
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cl::opt<bool> Fast("fast",
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cl::desc("Generate code quickly, "
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"potentially sacrificing code quality"),
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cl::init(false));
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// Determine optimization level.
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cl::opt<char>
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OptLevel("O",
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cl::desc("Optimization level. [-O0, -O1, -O2, or -O3] "
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"(default = '-O2')"),
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cl::Prefix,
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cl::ZeroOrMore,
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cl::init(' '));
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cl::opt<std::string>
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TargetTriple("mtriple", cl::desc("Override target triple for module"));
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@ -122,9 +126,19 @@ int main(int argc, char **argv, char * const *envp) {
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if (!TargetTriple.empty())
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Mod->setTargetTriple(TargetTriple);
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EE = ExecutionEngine::create(MP, ForceInterpreter, &ErrorMsg,
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Fast ?
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CodeGenOpt::None : CodeGenOpt::Aggressive);
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CodeGenOpt::Level OLvl = CodeGenOpt::Default;
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switch (OptLevel) {
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default:
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std::cerr << argv[0] << ": invalid optimization level.\n";
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return 1;
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case ' ': break;
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case '0': OLvl = CodeGenOpt::None; break;
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case '1':
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case '2': OLvl = CodeGenOpt::Default; break;
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case '3': OLvl = CodeGenOpt::Aggressive; break;
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}
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EE = ExecutionEngine::create(MP, ForceInterpreter, &ErrorMsg, OLvl);
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if (!EE && !ErrorMsg.empty()) {
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std::cerr << argv[0] << ":error creating EE: " << ErrorMsg << "\n";
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exit(1);
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