================
@@ -804,10 +804,28 @@ Check for performance anti-patterns when using Grand
Central Dispatch.
.. _optin-performance-Padding:
-optin.performance.Padding
-"""""""""""""""""""""""""
+optin.performance.Padding (PaddingChecker)
+"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
Check for excessively padded structs.
+.. code-block:: objc
+
+ struct TestStruct {
+ int data1; // 4 bytes
+ char data2; // 1 byte
+ char padding[27]; // 27 bytes of padding
+ }; // Total size: 32 bytes
+
+ void TestFunction() {
+ struct TestStruct struct1; // Warning is generated due to excessive
padding.
+ }
+
+ // Reports are only generated if the excessive padding exceeds 'AllowedPad'
in bytes.
+
+ // AllowedPad: Default Value: 24 bytes
+
+ Usage: `AllowedPad=<value>`
----------------
steakhal wrote:
In other places we use double backticks. Why do you use one where?
https://github.com/llvm/llvm-project/pull/86411
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