[llvm] [MemCpyOpt] Merge memset and skip unrelated clobber in one scan (PR #90350)

[via llvm-commits]

================
@@ -158,11 +158,16 @@ class MemsetRanges {
 
   /// A sorted list of the memset ranges.
   SmallVector<MemsetRange, 8> Ranges;
-
-  const DataLayout &DL;
+  const DataLayout *DL;
 
 public:
-  MemsetRanges(const DataLayout &DL) : DL(DL) {}
+  MemsetRanges() {}
----------------
XChy wrote:

Yes, it requires.

https://github.com/llvm/llvm-project/pull/90350