diff options
| -rwxr-xr-x | emcc | 1 | ||||
| -rw-r--r-- | tests/runner.py | 3 |
2 files changed, 2 insertions, 2 deletions
@@ -314,6 +314,7 @@ elif use_compiler: shared.Settings.I64_MODE = 0 shared.Settings.DOUBLE_MODE = 0 shared.Settings.DISABLE_EXCEPTION_CATCHING = 1 + print >> sys.stderr, 'Warning: Applying some potentially unsafe optimizations! (Use -O2 if this fails.)' # TODO: apply -s settings in newargs here (after -Ox, so they can override it) diff --git a/tests/runner.py b/tests/runner.py index 72e90e26..8a98b0e8 100644 --- a/tests/runner.py +++ b/tests/runner.py @@ -4949,6 +4949,7 @@ JavaScript in the final linking stage of building. assert len(output[0]) == 0, output[0] assert os.path.exists('something.js'), '\n'.join(output) assert ('Warning: The relooper optimization can be very slow.' in output[1]) == (opt_level >= 2), 'relooper warning should appear in opt >= 2' + assert ('Warning: Applying some potentially unsafe optimizations!' in output[1]) == (opt_level >= 3), 'unsafe warning should appear in opt >= 3' self.assertContained('hello, world!', run_js('something.js')) # Verify optimization level in the generated code @@ -4962,8 +4963,6 @@ JavaScript in the final linking stage of building. assert 'SAFE_HEAP' not in generated, 'safe heap should not be used by default' # TODO: -O1 plus eliminator, plus js optimizer - # emcc -O2 src.cpp ==> plus reloop (warn about speed) - # emcc -O3 src.cpp ==> no corrections, relax some other stuff like i64 1 into 0, etc., do closure: dangerous stuff, warn, suggest -O2! # emcc --typed-arrays=x .. ==> should use typed arrays. default should be 2 # emcc --llvm-opts=x .. ==> pick level of LLVM optimizations (default is 0, to be safe?) # emcc -s RELOOP=1 src.cpp ==> should pass -s to emscripten.py |