[llvm] [BOLT]Identify indirect call (PR #123305)

[Paschalis Mpeis via llvm-commits]

================
@@ -1961,6 +1961,44 @@ bool BinaryFunction::postProcessIndirectBranches(
       bool IsEpilogue = llvm::any_of(BB, [&](const MCInst &Instr) {
         return BC.MIB->isLeave(Instr) || BC.MIB->isPop(Instr);
       });
+      if (BC.isAArch64()) {
+        // Any ADR instruction of AArch64 will generate a new entry,
+        // ADR instruction cannot afford to do any optimizations. Because ADR
+        // computes a PC-relative address within a limited range tied to the
+        // current program counter, optimizing transformations (like code
+        // rearrangements) can change address distances and potentially exceed
+        // ADR’s range.
----------------
paschalis-mpeis wrote:

Is the comment on ADR still relevant for this patch?

https://github.com/llvm/llvm-project/pull/123305