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| author | Bill Wendling <isanbard@gmail.com> | 2009-04-29 23:46:43 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2009-04-29 23:46:43 +0000 |
| commit | 8dc85ddf809b9b987b92da27c0ff7875d6e1f72d (patch) | |
| tree | f6cd0c22d30d1ba5b4a8d43f26ecf729f5f58ea6 /tools/llc | |
| parent | b8cb0bb08c7f9f2dfcdfa5f7d72a4c56a9c93228 (diff) | |
| download | external_llvm-8dc85ddf809b9b987b92da27c0ff7875d6e1f72d.zip external_llvm-8dc85ddf809b9b987b92da27c0ff7875d6e1f72d.tar.gz external_llvm-8dc85ddf809b9b987b92da27c0ff7875d6e1f72d.tar.bz2 | |
Error out with bad optimization level specified.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70449 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/llc')
| -rw-r--r-- | tools/llc/llc.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp index bb49d32..439c22f 100644 --- a/tools/llc/llc.cpp +++ b/tools/llc/llc.cpp @@ -58,7 +58,7 @@ static cl::opt<bool> Force("f", cl::desc("Overwrite output files")); // Determine optimization level. Level -O0 is equivalent to "fast" code gen. static cl::opt<char> OptLevel("O", - cl::desc("Optimization level. Similar to llvm-gcc -O."), + cl::desc("Optimization level. [-O0, -O1, -O2, -Os, or -O3]"), cl::Prefix, cl::ZeroOrMore, cl::init(' ')); @@ -257,6 +257,8 @@ int main(int argc, char **argv) { switch (OptLevel) { default: + std::cerr << argv[0] << ": invalid optimization level.\n"; + return 1; case ' ': break; case '0': OLvl = CodeGenOpt::None; break; case '1': OLvl = CodeGenOpt::One; break; |