[PATCH] D146964: [llvm-exegesis] if lit can't find llvm-exegesis, fail gracefully

[Ties Stuij via Phabricator via llvm-commits]

stuij updated this revision to Diff 508654.
stuij added a comment.

amend commit message


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146964/new/

https://reviews.llvm.org/D146964

Files:
  llvm/test/tools/llvm-exegesis/lit.local.cfg


Index: llvm/test/tools/llvm-exegesis/lit.local.cfg
===================================================================
--- llvm/test/tools/llvm-exegesis/lit.local.cfg
+++ llvm/test/tools/llvm-exegesis/lit.local.cfg
@@ -14,6 +14,9 @@
     # only know that at runtime, so we try to measure an empty code snippet
     # and bail out on error.
     llvm_exegesis_exe = lit.util.which('llvm-exegesis', config.llvm_tools_dir)
+    if llvm_exegesis_exe is None:
+       print('could not find llvm-exegesis')
+       return False
     try:
         return_code = subprocess.call(
             [llvm_exegesis_exe, '-mode', mode, '-snippets-file', '/dev/null'] + extra_options,


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