[Openmp-commits] [PATCH] D122645: [OpenMP][NFC] lit: Allow setting default environment variables for test

[Misono Tomohiro via Phabricator via Openmp-commits]

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Add LIBOMP_TEST_ENV environment variable which will be passed to environment
variables for test. This provides a handy way to exercise various openmp code
with different settings during development.

For example, to change default barrier pattern:

  $ env LIBOMP_TEST_ENV="KMP_FORKJOIN_BARRIER_PATTERN=hier,hier \
    KMP_PLAIN_BARRIER_PATTERN=hier,hier \
    KMP_REDUCTION_BARRIER_PATTERN=hier,hier" \
    ninja check-openmp

Even with this, each test can set appropriate envionment variables if needed
as before.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122645

Files:
  openmp/runtime/test/lit.cfg


Index: openmp/runtime/test/lit.cfg
===================================================================
--- openmp/runtime/test/lit.cfg
+++ openmp/runtime/test/lit.cfg
@@ -116,6 +116,14 @@
 if 'INTEL_LICENSE_FILE' in os.environ:
     config.environment['INTEL_LICENSE_FILE'] = os.environ['INTEL_LICENSE_FILE']
 
+# set default environment variables for test
+if 'LIBOMP_TEST_ENV' in os.environ:
+    test_env = os.environ['LIBOMP_TEST_ENV'].split()
+    for env in test_env:
+        name = env.split('=')[0]
+        value = env.split('=')[1]
+        config.environment[name] = value
+
 # substitutions
 config.substitutions.append(("%libomp-compile-and-run", \
     "%libomp-compile && %libomp-run"))


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