big function finder tool

1 files changed, 23 insertions, 0 deletions

diff --git a/tools/find_bigfuncs.py b/tools/find_bigfuncs.py
new file mode 100644
index 00000000..ebff8b6e
--- /dev/null
+++ b/tools/find_bigfuncs.py
@@ -0,0 +1,23 @@
+'''
+Simple tool to find big functions in an .ll file. Anything over i64 is of interest.
+'''
+
+import os, sys, re
+
+filename = sys.argv[1]
+i = 0
+maxx = -1
+maxxest = '?'
+start = -1
+curr = '?'
+for line in open(filename):
+  i += 1
+  if line.startswith('function '):
+    start = i
+    curr = line
+  elif line.startswith('}'):
+    size = i - start
+    if size > maxx:
+      maxx = size
+      maxxest = curr
+print maxx, 'lines in', maxxest