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Default llc / lli optimization to "Default", which corresponds to -O1 / -O2. 

llvm-svn: 70934
This commit is contained in:
Evan Cheng 2009-05-04 23:05:19 +00:00
parent c298ccb998
commit 09bd0b1bd2
2 changed files with 25 additions and 11 deletions
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8
llvm/tools/llc/llc.cpp
View File

@ -55,10 +55,11 @@ OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"));
static cl::opt<bool> Force("f", cl::desc("Overwrite output files")); static cl::opt<bool> Force("f", cl::desc("Overwrite output files"));
// Determine optimization level. Level -O0 is equivalent to "fast" code gen. // Determine optimization level.
static cl::opt<char> static cl::opt<char>
OptLevel("O", OptLevel("O",
cl::desc("Optimization level. [-O0, -O1, -O2, or -O3]"), cl::desc("Optimization level. [-O0, -O1, -O2, or -O3] "
"(default = '-O2')"),
cl::Prefix, cl::Prefix,
cl::ZeroOrMore, cl::ZeroOrMore,
cl::init(' ')); cl::init(' '));
@ -253,8 +254,7 @@ int main(int argc, char **argv) {
raw_ostream *Out = GetOutputStream(argv[0]); raw_ostream *Out = GetOutputStream(argv[0]);
if (Out == 0) return 1; if (Out == 0) return 1;
CodeGenOpt::Level OLvl = CodeGenOpt::Aggressive; CodeGenOpt::Level OLvl = CodeGenOpt::Default;
switch (OptLevel) { switch (OptLevel) {
default: default:
std::cerr << argv[0] << ": invalid optimization level.\n"; std::cerr << argv[0] << ": invalid optimization level.\n";

28
llvm/tools/lli/lli.cpp
View File

@ -43,10 +43,14 @@ namespace {
cl::desc("Force interpretation: disable JIT"), cl::desc("Force interpretation: disable JIT"),
cl::init(false)); cl::init(false));
cl::opt<bool> Fast("fast", // Determine optimization level.
cl::desc("Generate code quickly, " cl::opt<char>
"potentially sacrificing code quality"), OptLevel("O",
cl::init(false)); cl::desc("Optimization level. [-O0, -O1, -O2, or -O3] "
"(default = '-O2')"),
cl::Prefix,
cl::ZeroOrMore,
cl::init(' '));
cl::opt<std::string> cl::opt<std::string>
TargetTriple("mtriple", cl::desc("Override target triple for module")); TargetTriple("mtriple", cl::desc("Override target triple for module"));
@ -122,9 +126,19 @@ int main(int argc, char **argv, char * const *envp) {
if (!TargetTriple.empty()) if (!TargetTriple.empty())
Mod->setTargetTriple(TargetTriple); Mod->setTargetTriple(TargetTriple);
EE = ExecutionEngine::create(MP, ForceInterpreter, &ErrorMsg, CodeGenOpt::Level OLvl = CodeGenOpt::Default;
Fast ? switch (OptLevel) {
CodeGenOpt::None : CodeGenOpt::Aggressive); default:
std::cerr << argv[0] << ": invalid optimization level.\n";
return 1;
case ' ': break;
case '0': OLvl = CodeGenOpt::None; break;
case '1':
case '2': OLvl = CodeGenOpt::Default; break;
case '3': OLvl = CodeGenOpt::Aggressive; break;
}
EE = ExecutionEngine::create(MP, ForceInterpreter, &ErrorMsg, OLvl);
if (!EE && !ErrorMsg.empty()) { if (!EE && !ErrorMsg.empty()) {
std::cerr << argv[0] << ":error creating EE: " << ErrorMsg << "\n"; std::cerr << argv[0] << ":error creating EE: " << ErrorMsg << "\n";
exit(1); exit(1);