[llvm] [llvm-exegesis] Add did-you-mean hint for unknown opcodes (PR #203463)

[Quanye Yang via llvm-commits]

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@@ -0,0 +1,39 @@
+# Verify that skipping an entry with a misspelled opcode name includes a
+# "did you mean ?" hint when a close match exists.
+
+# RUN: llvm-exegesis -mode=analysis -benchmarks-file=%s -analysis-clusters-output-file=- -analysis-clustering-epsilon=0.1 -analysis-inconsistency-epsilon=0.1 -analysis-numpoints=1 2> %t.err | FileCheck -check-prefix=CHECK-CLUSTERS %s
+# RUN: FileCheck -check-prefix=CHECK-WARN %s < %t.err
+
+# CHECK-WARN: warning: skipping benchmark entry: No opcode with name 'VADDPDYrrr' - did you mean 'VADDPDYrr' ?
+# CHECK-WARN: warning: skipped 1 benchmark entries that could not be parsed
+
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quanyeyang wrote:

I add a test here now.

https://github.com/llvm/llvm-project/pull/203463