[llvm-commits] [llvm] r154665 - /llvm/trunk/test/lit.cfg

[Sylvestre Ledru]

Author: sylvestre
Date: Fri Apr 13 06:22:18 2012
New Revision: 154665

URL: http://llvm.org/viewvc/llvm-project?rev=154665&view=rev
Log:
Catch the Python exception when subprocess.Popen is failing.

For example, if llc cannot be found, the full python stacktrace is displayed
and no interesting information are provided.
+ fail the process when an exception occurs


Modified:
    llvm/trunk/test/lit.cfg

Modified: llvm/trunk/test/lit.cfg
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/lit.cfg?rev=154665&r1=154664&r2=154665&view=diff
==============================================================================
--- llvm/trunk/test/lit.cfg (original)
+++ llvm/trunk/test/lit.cfg Fri Apr 13 06:22:18 2012
@@ -236,8 +236,13 @@
 
 # llc knows whether he is compiled with -DNDEBUG.
 import subprocess
-llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
+try:
+    llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
                            stdout = subprocess.PIPE)
+except OSError, why:
+    print "Could not find llc in " + llvm_tools_dir
+    exit(42)
+
 if re.search(r'with assertions', llc_cmd.stdout.read()):
     config.available_features.add('asserts')
 llc_cmd.wait()