opt-viewer: output index first

One can start looking at the index while the pages are still generating

llvm-svn: 326123

diff --git a/llvm/tools/opt-viewer/opt-viewer.py b/llvm/tools/opt-viewer/opt-viewer.py
index 8238591..a3eaba1 100755 (executable)
--- a/llvm/tools/opt-viewer/opt-viewer.py
+++ b/llvm/tools/opt-viewer/opt-viewer.py
@@ -242,14 +242,8 @@ def generate_report(all_remarks,
         else:
             raise
 
-    _render_file_bound = functools.partial(_render_file, source_dir, output_dir, context, no_highlight)
     if should_print_progress:
-        print('Rendering HTML files...')
-    optpmap.pmap(_render_file_bound,
-                 file_remarks.items(),
-                 num_jobs,
-                 should_print_progress)
-
+        print('Rendering index page...')
     if should_display_hotness:
         sorted_remarks = sorted(optrecord.itervalues(all_remarks), key=lambda r: (r.Hotness, r.File, r.Line, r.Column, r.PassWithDiffPrefix, r.yaml_tag, r.Function), reverse=True)
     else:
@@ -259,6 +253,14 @@ def generate_report(all_remarks,
     shutil.copy(os.path.join(os.path.dirname(os.path.realpath(__file__)),
             "style.css"), output_dir)
 
+    _render_file_bound = functools.partial(_render_file, source_dir, output_dir, context, no_highlight)
+    if should_print_progress:
+        print('Rendering HTML files...')
+    optpmap.pmap(_render_file_bound,
+                 file_remarks.items(),
+                 num_jobs,
+                 should_print_progress)
+
 
 def main():
     parser = argparse.ArgumentParser(description=desc)