[llvm] update_test_checks: indent dbg records (PR #139230)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-testing-tools

Author: Orlando Cazalet-Hyams (OCHyams)

<details>
<summary>Changes</summary>

LLVM prints debug records like `#dbg_value` indented 2 additional spaces.

---
Full diff: https://github.com/llvm/llvm-project/pull/139230.diff


2 Files Affected:

- (modified) llvm/utils/UpdateTestChecks/common.py (+2) 
- (modified) llvm/utils/update_test_checks.py (+3-2) 


``````````diff
diff --git a/llvm/utils/UpdateTestChecks/common.py b/llvm/utils/UpdateTestChecks/common.py
index e747ae3f385a9..d150612dd368e 100644
--- a/llvm/utils/UpdateTestChecks/common.py
+++ b/llvm/utils/UpdateTestChecks/common.py
@@ -602,6 +602,8 @@ def invoke_tool(exe, cmd_args, ir, preprocess_cmd=None, verbose=False):
 MARCH_ARG_RE = re.compile(r"-march[= ]([^ ]+)")
 DEBUG_ONLY_ARG_RE = re.compile(r"-debug-only[= ]([^ ]+)")
 
+IS_DEBUG_RECORD_RE = re.compile(r"^(\s+)#dbg_")
+
 SCRUB_LEADING_WHITESPACE_RE = re.compile(r"^(\s+)")
 SCRUB_WHITESPACE_RE = re.compile(r"(?!^(|  \w))[ \t]+", flags=re.M)
 SCRUB_PRESERVE_LEADING_WHITESPACE_RE = re.compile(r"((?!^)[ \t]*(\S))[ \t]+")
diff --git a/llvm/utils/update_test_checks.py b/llvm/utils/update_test_checks.py
index f4b45c5581c71..a544a565aa42d 100755
--- a/llvm/utils/update_test_checks.py
+++ b/llvm/utils/update_test_checks.py
@@ -251,8 +251,9 @@ def update_test(ti: common.TestInfo):
                 skip_same_checks=dropped_previous_line,
             ):
                 # This input line of the function body will go as-is into the output.
-                # Except make leading whitespace uniform: 2 spaces.
-                input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(r"  ", input_line)
+                # Except make leading whitespace uniform: 2 spaces. 4 for debug records.
+                indent = "  " if not common.IS_DEBUG_RECORD_RE.match(input_line) else "    "
+                input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(indent, input_line)
                 output_lines.append(input_line)
                 dropped_previous_line = False
                 if input_line.strip() == "}":

``````````

</details>


https://github.com/llvm/llvm-project/pull/139230