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Switch default backend from 'fastcomp' to 'upstream' (#373)

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When users as for 'latest' or just '1.39.0' we now default to the
upstream llvm backend.

For versions before 1.39.0 we continue to default to fastcomp.

Fixes: https://github.com/emscripten-core/emscripten/issues/5488
This commit is contained in:
Sam Clegg
2019-10-21 14:23:29 -07:00
committed by GitHub
parent e047fe4c1e
commit ae5044e779
2 changed files with 41 additions and 22 deletions
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23
test.py
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@@ -61,8 +61,8 @@ LIBC = os.path.expanduser('~/.emscripten_cache/wasm-obj/libc.a')
# Tests
print('test .emscripten contents (latest was installed/activated in test.sh)')
assert 'fastcomp' in open(os.path.expanduser('~/.emscripten')).read()
assert 'upstream' not in open(os.path.expanduser('~/.emscripten')).read()
assert 'fastcomp' not in open(os.path.expanduser('~/.emscripten')).read()
assert 'upstream' in open(os.path.expanduser('~/.emscripten')).read()
print('building proper system libraries')
@@ -114,23 +114,22 @@ if WINDOWS:
else:
emsdk = './emsdk'
test_lib_building(fastcomp_emcc, use_asmjs_optimizer=True)
test_lib_building(upstream_emcc, use_asmjs_optimizer=True)
print('update')
run_emsdk('update-tags')
print('test latest-releases-upstream')
run_emsdk('install latest-upstream')
run_emsdk('activate latest-upstream')
print('test latest-releases-fastcomp')
run_emsdk('install latest-fastcomp')
run_emsdk('activate latest-fastcomp')
test_lib_building(upstream_emcc, use_asmjs_optimizer=False)
test_lib_building(fastcomp_emcc, use_asmjs_optimizer=False)
assert open(os.path.expanduser('~/.emscripten')).read().count('LLVM_ROOT') == 1
assert 'upstream' in open(os.path.expanduser('~/.emscripten')).read()
assert 'fastcomp' not in open(os.path.expanduser('~/.emscripten')).read()
assert 'upstream' not in open(os.path.expanduser('~/.emscripten')).read()
assert 'fastcomp' in open(os.path.expanduser('~/.emscripten')).read()
print('verify version')
checked_call_with_output(upstream_emcc + ' -v', TAGS['latest'], stderr=subprocess.STDOUT)
checked_call_with_output(fastcomp_emcc + ' -v', TAGS['latest'], stderr=subprocess.STDOUT)
print('clear cache')
check_call(upstream_emcc + ' --clear-cache')
@@ -160,8 +159,8 @@ run_emsdk('install 1.38.33')
print('another install must re-download')
checked_call_with_output(emsdk + ' install 1.38.33', expected='Downloading:', unexpected='already exist in destination')
run_emsdk('activate 1.38.33')
assert 'fastcomp' in open(os.path.expanduser('~/.emscripten')).read()
assert 'upstream' not in open(os.path.expanduser('~/.emscripten')).read()
assert 'fastcomp' in open(os.path.expanduser('~/.emscripten')).read()
print('test specific release (new, full name)')
run_emsdk('install sdk-1.38.33-upstream-64bit')