[llvm] r262878 - [lit] Teach lit about global-isel requirement.

[Quentin Colombet via llvm-commits]

Author: qcolombet
Date: Mon Mar  7 18:03:40 2016
New Revision: 262878

URL: http://llvm.org/viewvc/llvm-project?rev=262878&view=rev
Log:
[lit] Teach lit about global-isel requirement.

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=262878&r1=262877&r2=262878&view=diff
==============================================================================
--- llvm/trunk/test/lit.cfg (original)
+++ llvm/trunk/test/lit.cfg Mon Mar  7 18:03:40 2016
@@ -482,3 +482,17 @@ gmalloc_path_str = lit_config.params.get
 
 if use_gmalloc:
      config.environment.update({'DYLD_INSERT_LIBRARIES' : gmalloc_path_str})
+
+# Ask llvm-config about global-isel.
+try:
+    llvm_config_cmd = subprocess.Popen(
+        [os.path.join(llvm_tools_dir, 'llvm-config'), '--has-global-isel'],
+        stdout = subprocess.PIPE,
+        env=config.environment)
+except OSError:
+    print("Could not find llvm-config in " + llvm_tools_dir)
+    exit(42)
+
+if re.search(r'ON', llvm_config_cmd.stdout.read().decode('ascii')):
+    config.available_features.add('global-isel')
+llvm_config_cmd.wait()