diff options
Diffstat (limited to 'emscripten.py')
| -rwxr-xr-x | emscripten.py | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/emscripten.py b/emscripten.py index 903eb78a..a5ce0e09 100755 --- a/emscripten.py +++ b/emscripten.py @@ -73,7 +73,8 @@ def optimize(filepath): The path to the optimized file. """ out = get_temp_file('.bc') - ret = subprocess.call([shared.LLVM_OPT, '-O3', '-o=-', filepath], stdout=out) + opts = shared.pick_llvm_opts(3, True) + ret = subprocess.call([shared.LLVM_OPT, '-o=-', filepath] + opts, stdout=out) out.close() if ret != 0: raise RuntimeError('Could not optimize %s.' % filepath) return out.name @@ -108,6 +109,11 @@ def compile_malloc(): return out.name +def has_annotations(filepath): + """Tests whether an assembly file contains annotations.""" + return filepath.endswith('.ll') and '[#uses=' in open(filepath).read() + + def emscript(infile, settings, outfile): """Runs the emscripten LLVM-to-JS compiler. @@ -129,9 +135,10 @@ def emscript(infile, settings, outfile): def main(args): # Construct a final linked and disassembled file. - args.infile = assemble(args.infile) - if args.dlmalloc: args.infile = link(args.infile, compile_malloc()) - if args.optimize: args.infile = optimize(args.infile) + if args.dlmalloc or args.optimize or not has_annotations(args.infile): + args.infile = assemble(args.infile) + if args.dlmalloc: args.infile = link(args.infile, compile_malloc()) + if args.optimize: args.infile = optimize(args.infile) args.infile = disassemble(args.infile) # Prepare settings for serialization to JSON. @@ -165,7 +172,7 @@ if __name__ == '__main__': parser.add_argument('-O', '--optimize', default=False, action='store_true', - help='Run LLVM -O3 optimizations on the input.') + help='Run LLVM optimizations on the input.') parser.add_argument('-m', '--dlmalloc', default=False, action='store_true', |