diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/__init__.py | 0 | ||||
| -rw-r--r-- | tools/shared.py | 78 |
2 files changed, 72 insertions, 6 deletions
diff --git a/tools/__init__.py b/tools/__init__.py new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/tools/__init__.py diff --git a/tools/shared.py b/tools/shared.py index c172a322..8cb602df 100644 --- a/tools/shared.py +++ b/tools/shared.py @@ -1,10 +1,9 @@ - -import shutil, time +import shutil, time, os from subprocess import Popen, PIPE, STDOUT CONFIG_FILE = os.path.expanduser('~/.emscripten') if not os.path.exists(CONFIG_FILE): - shutil.copy(path_from_root('tests', 'settings.py'), CONFIG_FILE) + shutil.copy(path_from_root('settings.py'), CONFIG_FILE) exec(open(CONFIG_FILE, 'r').read()) # Tools @@ -47,9 +46,7 @@ def to_cc(cxx): return cxx.replace('clang++', 'clang').replace('g++', 'gcc') def line_splitter(data): - ''' - Silly little tool to split JSON arrays over many lines. - ''' + """Silly little tool to split JSON arrays over many lines.""" out = '' counter = 0 @@ -68,3 +65,72 @@ def limit_size(string, MAX=80*20): if len(string) < MAX: return string return string[0:MAX] + '...' +def pick_llvm_opts(optimization_level, optimize_size, allow_nonportable=False): + opts = [] + if optimization_level > 0: + if allow_nonportable: + opts.append('-O%d' % optimization_level) + else: + # createStandardAliasAnalysisPasses + #opts.append('-tbaa') + #opts.append('-basicaa') # makes fannkuch slow but primes fast + + opts.append('-globalopt') + opts.append('-ipsccp') + opts.append('-deadargelim') + if allow_nonportable: opts.append('-instcombine') + opts.append('-simplifycfg') + + opts.append('-prune-eh') + opts.append('-inline') + opts.append('-functionattrs') + if optimization_level > 2: + opts.append('-argpromotion') + + # XXX Danger: Can turn a memcpy into something that violates the + # load-store consistency hypothesis. See hashnum() in Lua. + # Note: this opt is of great importance for raytrace... + if allow_nonportable: opts.append('-scalarrepl') + + if allow_nonportable: opts.append('-early-cse') # ? + opts.append('-simplify-libcalls') + opts.append('-jump-threading') + if allow_nonportable: opts.append('-correlated-propagation') # ? + opts.append('-simplifycfg') + if allow_nonportable: opts.append('-instcombine') + + opts.append('-tailcallelim') + opts.append('-simplifycfg') + opts.append('-reassociate') + opts.append('-loop-rotate') + opts.append('-licm') + opts.append('-loop-unswitch') # XXX should depend on optimize_size + if allow_nonportable: opts.append('-instcombine') + opts.append('-indvars') + if allow_nonportable: opts.append('-loop-idiom') # ? + opts.append('-loop-deletion') + opts.append('-loop-unroll') + if allow_nonportable: opts.append('-instcombine') + + # XXX Danger: Messes up Lua output for unknown reasons + # Note: this opt is of minor importance for raytrace... + if optimization_level > 1 and allow_nonportable: opts.append('-gvn') + + opts.append('-memcpyopt') # Danger? + opts.append('-sccp') + + if allow_nonportable: opts.append('-instcombine') + opts.append('-jump-threading') + opts.append('-correlated-propagation') + opts.append('-dse') + opts.append('-adce') + opts.append('-simplifycfg') + + opts.append('-strip-dead-prototypes') + opts.append('-deadtypeelim') + + if optimization_level > 2: opts.append('-globaldce') + + if optimization_level > 1: opts.append('-constmerge') + + return opts |