Vendor import of clang trunk r256633:

https://llvm.org/svn/llvm-project/cfe/trunk@256633

1 files changed, 46 insertions, 0 deletions

diff --git a/utils/perf-training/perf-helper.py b/utils/perf-training/perf-helper.py
new file mode 100644
index 0000000..4488011
--- /dev/null
+++ b/utils/perf-training/perf-helper.py
@@ -0,0 +1,46 @@
+#===- perf-helper.py - Clang Python Bindings -----------------*- python -*--===#
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+#===------------------------------------------------------------------------===#
+
+import sys
+import os
+import subprocess
+
+def findProfrawFiles(path):
+  profraw_files = []
+  for root, dirs, files in os.walk(path): 
+    for filename in files:
+      if filename.endswith(".profraw"):
+        profraw_files.append(os.path.join(root, filename))
+  return profraw_files
+
+def clean(args):
+  if len(args) != 1:
+    print 'Usage: %s clean <path>\n\tRemoves all *.profraw files from <path>.' % __file__
+    return 1
+  for profraw in findProfrawFiles(args[0]):
+    os.remove(profraw)
+  return 0
+
+def merge(args):
+  if len(args) != 3:
+    print 'Usage: %s clean <llvm-profdata> <output> <path>\n\tMerges all profraw files from path into output.' % __file__
+    return 1
+  cmd = [args[0], 'merge', '-o', args[1]]
+  cmd.extend(findProfrawFiles(args[2]))
+  subprocess.check_call(cmd)
+  return 0
+
+commands = {'clean' : clean, 'merge' : merge}
+
+def main():
+  f = commands[sys.argv[1]]
+  sys.exit(f(sys.argv[2:]))
+
+if __name__ == '__main__':
+  main()