[PATCH] D139592: [llvm-lit] Keep start/end part of the output when truncating

[Andrei Elovikov via Phabricator via llvm-commits]

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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139592

Files:
  llvm/utils/lit/lit/TestRunner.py


Index: llvm/utils/lit/lit/TestRunner.py
===================================================================
--- llvm/utils/lit/lit/TestRunner.py
+++ llvm/utils/lit/lit/TestRunner.py
@@ -971,7 +971,7 @@
                 out += "# redirected output from %r:\n" % (name,)
                 data = to_string(data.decode('utf-8', errors='replace'))
                 if len(data) > 1024:
-                    out += data[:1024] + "\n...\n"
+                    out += data[:512] + "\n...\n" + data[-512:]
                     out += "note: data was truncated\n"
                 else:
                     out += data


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