[llvm] [ObjCARC] Add more intrinsics that do not touch reference counts (PR #94919)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-analysis

Author: AtariDreams (AtariDreams)

<details>
<summary>Changes</summary>

memset, memmove, and memcpy have variations that are not covered by the switch case but should be. They do not touch the retain count either.

---
Full diff: https://github.com/llvm/llvm-project/pull/94919.diff


1 Files Affected:

- (modified) llvm/lib/Analysis/ObjCARCInstKind.cpp (+5) 


``````````diff
diff --git a/llvm/lib/Analysis/ObjCARCInstKind.cpp b/llvm/lib/Analysis/ObjCARCInstKind.cpp
index d177ee056a93a..370ed88bf57df 100644
--- a/llvm/lib/Analysis/ObjCARCInstKind.cpp
+++ b/llvm/lib/Analysis/ObjCARCInstKind.cpp
@@ -201,8 +201,13 @@ static bool isUseOnlyIntrinsic(unsigned ID) {
   // TODO: Expand this into a covered switch. There is a lot more here.
   switch (ID) {
   case Intrinsic::memcpy:
+  case Intrinsic::memcpy_element_unordered_atomic:
+  case Intrinsic::memcpy_inline:
   case Intrinsic::memmove:
+  case Intrinsic::memmove_element_unordered_atomic:
   case Intrinsic::memset:
+  case Intrinsic::memset_element_unordered_atomic:
+  case Intrinsic::memset_inline:
     return true;
   default:
     return false;

``````````

</details>


https://github.com/llvm/llvm-project/pull/94919