[llvm] [AArch64] Unfold adds when eliminating frame index with scalable offset (PR #158597)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
``````````

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``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
index 855f8fb4e..4e0bdb433 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -6615,10 +6615,9 @@ bool llvm::rewriteAArch64FrameIndex(MachineInstr &MI, unsigned FrameRegIdx,
 
   if (Opcode == AArch64::ADDSXri || Opcode == AArch64::ADDXri) {
     Offset += StackOffset::getFixed(NewMI->getOperand(ImmIdx).getImm());
-    emitFrameOffset(*NewMI->getParent(), *NewMI,
-                    NewMI->getDebugLoc(), NewMI->getOperand(0).getReg(),
-                    FrameReg, Offset, TII, MachineInstr::NoFlags,
-                    (Opcode == AArch64::ADDSXri));
+    emitFrameOffset(*NewMI->getParent(), *NewMI, NewMI->getDebugLoc(),
+                    NewMI->getOperand(0).getReg(), FrameReg, Offset, TII,
+                    MachineInstr::NoFlags, (Opcode == AArch64::ADDSXri));
     NewMI->eraseFromParent();
     Offset = StackOffset();
     return true;

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https://github.com/llvm/llvm-project/pull/158597