def test_llvm(self):
LLVM_WARNING = 'LLVM version appears incorrect'
restore_and_set_up()
# Clang should report the version number we expect, and emcc should not warn
assert shared.check_llvm_version()
output = self.check_working(EMCC)
self.assertNotContained(LLVM_WARNING, output)
# Fake a different llvm version
restore_and_set_up()
with open(config_file, 'a') as f:
f.write('LLVM_ROOT = "' + self.in_dir('fake') + '"')
real_version_x, real_version_y = (int(x) for x in EXPECTED_LLVM_VERSION.split('.'))
make_fake_llc(self.in_dir('fake', 'llc'), 'wasm32 - WebAssembly 32-bit')
make_fake_lld(self.in_dir('fake', 'wasm-ld'))
with env_modify({'EM_IGNORE_SANITY': '1'}):
for inc_x in range(-2, 3):
for inc_y in range(-2, 3):
expected_x = real_version_x + inc_x
expected_y = real_version_y + inc_y
if expected_x < 0 or expected_y < 0:
continue # must be a valid llvm version
print("mod LLVM version: %d %d -> %d %d" % (real_version_x, real_version_x, expected_x, expected_y))
make_fake_clang(self.in_dir('fake', 'clang'), '%s.%s' % (expected_x, expected_y))
did_modify = inc_x != 0 or inc_y != 0
if did_modify:
output = self.check_working(EMCC, LLVM_WARNING)
else:
output = self.check_working(EMCC)
self.assertNotContained(LLVM_WARNING, output)
def test_llvm(self):
LLVM_WARNING = 'LLVM version appears incorrect'
restore_and_set_up()
# Clang should report the version number we expect, and emcc should not warn
assert shared.check_llvm_version()
output = self.check_working(EMCC)
self.assertNotContained(LLVM_WARNING, output)
# Fake a different llvm version
restore_and_set_up()
with open(CONFIG_FILE, 'a') as f:
f.write('LLVM_ROOT = "' + path_from_root('tests', 'fake') + '"')
real_version_x, real_version_y = (
int(x) for x in expected_llvm_version().split('.'))
if shared.get_llvm_target() == shared.WASM_TARGET:
make_fake_llc(path_from_root('tests', 'fake', 'llc'),
'wasm32 - WebAssembly 32-bit')
make_fake_lld(path_from_root('tests', 'fake', 'wasm-ld'))
else:
make_fake_llc(path_from_root('tests', 'fake', 'llc'),
'js - JavaScript (asm.js, emscripten)')
with env_modify({'EM_IGNORE_SANITY': '1'}):
for inc_x in range(-2, 3):
for inc_y in range(-2, 3):
expected_x = real_version_x + inc_x
expected_y = real_version_y + inc_y
if expected_x < 0 or expected_y < 0:
continue # must be a valid llvm version
print("mod LLVM version: %d %d -> %d %d" %
(real_version_x, real_version_x, expected_x,
expected_y))
make_fake_clang(path_from_root('tests', 'fake', 'clang'),
'%s.%s' % (expected_x, expected_y))
did_modify = inc_x != 0 or inc_y != 0
if did_modify:
output = self.check_working(EMCC, LLVM_WARNING)
else:
output = self.check_working(EMCC)
self.assertNotContained(LLVM_WARNING, output)
