[llvm-branch-commits] [llvm] [Dexter] Add label nodes for line references (PR #202544)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/Inputs/header.h cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/invalid_label.cpp cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/offset.cpp cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/simple_labels.cpp cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/source_root_dir.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/Inputs/header.h b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/Inputs/header.h
index 353053eb1..47d7346e3 100644
--- a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/Inputs/header.h
+++ b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/Inputs/header.h
@@ -1,8 +1,8 @@
 
 int multiply(int a, int b) {
-    int result = 0;
-    for (int i = 0; i < b; ++i) {
-        result += a;
-    }
-    return result; // !dex_label mul
+  int result = 0;
+  for (int i = 0; i < b; ++i) {
+    result += a;
+  }
+  return result; // !dex_label mul
 }
diff --git a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/invalid_label.cpp b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/invalid_label.cpp
index 54418d085..9da5fcb60 100644
--- a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/invalid_label.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/invalid_label.cpp
@@ -1,10 +1,11 @@
 // RUN: %dexter_regression_test_cxx_build %s -o %t
-// RUN: not %dexter_regression_test_run --source-root-dir %S/Inputs --use-script --binary %t -- %s 2>&1 | FileCheck %s
+// RUN: not %dexter_regression_test_run --source-root-dir %S/Inputs --use-script
+// --binary %t -- %s 2>&1 | FileCheck %s
 
 int main() {
-    int a = 4;
-    int b = 4;
-    return b - a; // !dex_label unused
+  int a = 4;
+  int b = 4;
+  return b - a; // !dex_label unused
 }
 
 // CHECK: error: Error with node: Label(used): Label "used" not found
diff --git a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/offset.cpp b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/offset.cpp
index 5c0bb7b99..855b26abc 100644
--- a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/offset.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/offset.cpp
@@ -1,14 +1,14 @@
 // RUN: %dexter_regression_test_cxx_build %s -o %t
-// RUN: %dexter_regression_test_run --use-script --binary %t -- %s | FileCheck %s
-
+// RUN: %dexter_regression_test_run --use-script --binary %t -- %s | FileCheck
+// %s
 
 int main() {
-    int count = 0;
-    ++count; // !dex_label start
-    ++count;
-    ++count;
-    ++count;
-    return count;
+  int count = 0;
+  ++count; // !dex_label start
+  ++count;
+  ++count;
+  ++count;
+  return count;
 } // !dex_label end
 
 // CHECK: total_watched_steps: 5
diff --git a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/simple_labels.cpp b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/simple_labels.cpp
index c65a9c8fc..161b9835e 100644
--- a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/simple_labels.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/simple_labels.cpp
@@ -1,20 +1,21 @@
 // RUN: %dexter_regression_test_cxx_build %s -o %t
-// RUN: %dexter_regression_test_run --use-script --binary %t -- %s | FileCheck %s
+// RUN: %dexter_regression_test_run --use-script --binary %t -- %s | FileCheck
+// %s
 
 #include "Inputs/header.h"
 
 int factorial(int n) {
-    int result = 1;
-    // !dex_label factorial_start
-    for (int i = 1; i <= n; ++i) {
-        result = multiply(result, i);  
-    }
-    return result; // !dex_label factorial_end
+  int result = 1;
+  // !dex_label factorial_start
+  for (int i = 1; i <= n; ++i) {
+    result = multiply(result, i);
+  }
+  return result; // !dex_label factorial_end
 }
 
 int main() {
-    int a = 4;
-    return factorial(a); // !dex_label call
+  int a = 4;
+  return factorial(a); // !dex_label call
 }
 
 // CHECK: total_watched_steps: 20
diff --git a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/source_root_dir.cpp b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/source_root_dir.cpp
index 420d1b6b4..2efa93d75 100644
--- a/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/source_root_dir.cpp
+++ b/cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/labels/source_root_dir.cpp
@@ -1,5 +1,6 @@
 // RUN: %dexter_regression_test_cxx_build %s -o %t
-// RUN: %dexter_regression_test_run --source-root-dir %S/Inputs --use-script --binary %t -- %s | FileCheck %s
+// RUN: %dexter_regression_test_run --source-root-dir %S/Inputs --use-script
+// --binary %t -- %s | FileCheck %s
 
 // Check that when --source-root-dir is provided, labels will be checked
 // relative to that directory.
@@ -7,17 +8,17 @@
 #include "Inputs/header.h"
 
 int factorial(int n) {
-    int result = 1;
-    // !dex_label factorial_start
-    for (int i = 1; i <= n; ++i) {
-        result = multiply(result, i);  
-    }
-    return result; // !dex_label factorial_end
+  int result = 1;
+  // !dex_label factorial_start
+  for (int i = 1; i <= n; ++i) {
+    result = multiply(result, i);
+  }
+  return result; // !dex_label factorial_end
 }
 
 int main() {
-    int a = 4;
-    return factorial(a); // !dex_label call
+  int a = 4;
+  return factorial(a); // !dex_label call
 }
 
 // CHECK: total_watched_steps: 20

``````````

</details>


https://github.com/llvm/llvm-project/pull/202544