If you can attach the bitcode file that would be easiest to reproduce the problem with. Otherwise you can see where it happens by adding some debug printouts in the code and rebuilding fastcomp. In this case, puts(raw) right before that assert should help.
- Alon On Tue, Jan 28, 2014 at 9:37 AM, Xiang Li <[email protected]> wrote: > I tried using fastcomp to compile my project, I got the following error. > > I used emcc 'incoming' branch and the last llvm backend. How do I know > which part of my code triggers the error? > > > > Warning: Variable __init_array_start not referenced > Warning: Variable __init_array_end not referenced > Warning: Variable __fini_array_start not referenced > Warning: Variable __fini_array_end not referenced > (len&1) == 0 > /Users/xiangl/Build_cmake_assignment/fastcomp/emscripten-fastcomp/lib/Target/JSBackend/JSBackend.cpp > : 769 > LLVM ERROR: fail > Traceback (most recent call last): > File "/opt/emscripten-incoming/emscripten.py", line 1352, in <module> > _main(environ=os.environ) > File "/opt/emscripten-incoming/emscripten.py", line 1340, in _main > temp_files.run_and_clean(lambda: main( > File "/opt/emscripten-incoming/tools/tempfiles.py", line 39, in > run_and_clean > return func() > File "/opt/emscripten-incoming/emscripten.py", line 1348, in <lambda> > DEBUG_CACHE=DEBUG_CACHE, > File "/opt/emscripten-incoming/emscripten.py", line 1235, in main > jcache=jcache, temp_files=temp_files, DEBUG=DEBUG, > DEBUG_CACHE=DEBUG_CACHE) > File "/opt/emscripten-incoming/emscripten.py", line 749, in emscript_fast > backend_output = open(temp_js).read() > IOError: [Errno 2] No such file or directory: '/tmp/tmpcZyQuB.4.js' > Traceback (most recent call last): > File "/opt/emscripten-incoming/emcc", line 1863, in <module> > final = shared.Building.emscripten(final, append_ext=False, > extra_args=extra_args) > File "/opt/emscripten-incoming/tools/shared.py", line 1276, in emscripten > assert os.path.exists(filename + '.o.js') and len(open(filename + > '.o.js', 'r').read()) > 0, 'Emscripten failed to generate .js: ' + > str(compiler_output) > AssertionError: Emscripten failed to generate .js: > make[2]: *** [MCore/test/MCoreTest.html] Error 1 > make[1]: *** [MCore/test/CMakeFiles/MCoreTest.dir/all] Error 2 > make: *** [all] Error 2 > > > > -Xiang Li > > -- > You received this message because you are subscribed to the Google Groups > "emscripten-discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
