[llvm] [AArch64][PAC] Protect the entire function if pac-ret+leaf is passed (PR #140895)

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions h,cpp -- llvm/lib/Target/AArch64/AArch64FrameLowering.cpp llvm/lib/Target/AArch64/AArch64FrameLowering.h llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.cpp llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.h
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
index 028abd4f2..15b11b68c 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -711,7 +711,8 @@ static void emitCalleeSavedRestores(MachineBasicBlock &MBB,
 
   // If pac-ret+leaf is in effect, ".cfi_restore w30" is emitted near
   // PAUTH_EPILOGUE pseudo instruction by emitPacRetPlusLeafHardening().
-  bool ShouldSkipLR = MF.getInfo<AArch64FunctionInfo>()->shouldSignReturnAddressEverywhere();
+  bool ShouldSkipLR =
+      MF.getInfo<AArch64FunctionInfo>()->shouldSignReturnAddressEverywhere();
 
   for (const auto &Info : CSI) {
     if (ShouldSkipLR && Info.getReg() == AArch64::LR)

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https://github.com/llvm/llvm-project/pull/140895