[clang] [clang][bytecode][NFC] Use getElemType() in __builtin_memchr as well (PR #132550)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

<details>
<summary>Changes</summary>

For consistency.

---
Full diff: https://github.com/llvm/llvm-project/pull/132550.diff


1 Files Affected:

- (modified) clang/lib/AST/ByteCode/InterpBuiltin.cpp (+1-3) 


``````````diff
diff --git a/clang/lib/AST/ByteCode/InterpBuiltin.cpp b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
index 57037b674feba..300c4127a9856 100644
--- a/clang/lib/AST/ByteCode/InterpBuiltin.cpp
+++ b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
@@ -2052,9 +2052,7 @@ static bool interp__builtin_memchr(InterpState &S, CodePtr OpPC,
       (ID == Builtin::BIstrchr || ID == Builtin::BI__builtin_strchr);
 
   PrimType ElemT =
-      IsRawByte
-          ? PT_Sint8
-          : *S.getContext().classify(Ptr.getFieldDesc()->getElemQualType());
+      IsRawByte ? PT_Sint8 : *S.getContext().classify(getElemType(Ptr));
 
   size_t Index = Ptr.getIndex();
   size_t Step = 0;

``````````

</details>


https://github.com/llvm/llvm-project/pull/132550