add lto in benchmarks

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/runner.py b/tests/runner.py
index e631b025..e4c7a1e1 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -11282,7 +11282,7 @@ elif 'benchmark' in str(sys.argv):
       try_delete(final_filename)
       output = Popen([PYTHON, EMCC, filename, #'-O3',
                       '-O2', '-s', 'INLINING_LIMIT=0', '-s', 'DOUBLE_MODE=0', '-s', 'PRECISE_I64_MATH=0',# '-s', 'EXPLICIT_ZEXT=1',
-                      '-s', 'ASM_JS=1', '-s', 'USE_MATH_IMUL=1',
+                      '-s', 'ASM_JS=1', '-s', 'USE_MATH_IMUL=1', '--llvm-lto', '1',
                       '-s', 'TOTAL_MEMORY=128*1024*1024', '-s', 'FAST_MEMORY=10*1024*1024',
                       '-o', final_filename] + shared_args + emcc_args, stdout=PIPE, stderr=self.stderr_redirect).communicate()
       assert os.path.exists(final_filename), 'Failed to compile file: ' + output[0]