[Mlir-commits] [mlir] [mlir] Add support for broader range of input files in generate-test-checks.py (PR #134327)

[Kevin Gleason]

================
@@ -236,9 +236,12 @@ def process_attribute_references(line, attribute_namer):
 # Pre-process a line of input to remove any character sequences that will be
 # problematic with FileCheck.
 def preprocess_line(line):
+    # If input line has `{{` i.e. in a StrAttr with serialized proto.
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GleasonK wrote:

Good point - Changed to be more consistent with the other comments in this function:

```
    # Replace any `{{` with escaped replacements. `{{` corresponds to regex
    # checks in FileCheck.
```

https://github.com/llvm/llvm-project/pull/134327