[llvm] [AArch64] merge index address with large offset into base address (PR #75343)

[via llvm-commits]

================
@@ -171,6 +178,13 @@ struct AArch64LoadStoreOpt : public MachineFunctionPass {
   findMatchingUpdateInsnForward(MachineBasicBlock::iterator I,
                                 int UnscaledOffset, unsigned Limit);
 
+  // Scan the instruction list to find a register assigned with a const
+  // value that can be combined with the current instruction (a load or store)
+  // using base addressing with writeback. Scan forwards.
----------------
vfdff wrote:

yes, you are right, I'll update

https://github.com/llvm/llvm-project/pull/75343