[clang] [AArch64] Stack probing for function prologues (PR #66524)

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git-clang-format --diff 8d59fc5fd1599bd7153817d2af903ae9a6103343 7b66d75f43bfd4e52f48307e9fcc2992eefb8bdd -- clang/lib/CodeGen/CodeGenModule.cpp clang/lib/Driver/ToolChains/Clang.cpp clang/test/CodeGen/stack-clash-protection.c llvm/lib/CodeGen/CFIFixup.cpp llvm/lib/Target/AArch64/AArch64FrameLowering.cpp llvm/lib/Target/AArch64/AArch64FrameLowering.h llvm/lib/Target/AArch64/AArch64ISelLowering.cpp llvm/lib/Target/AArch64/AArch64ISelLowering.h llvm/lib/Target/AArch64/AArch64InstrInfo.cpp llvm/lib/Target/AArch64/AArch64InstrInfo.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 --git a/llvm/lib/CodeGen/CFIFixup.cpp b/llvm/lib/CodeGen/CFIFixup.cpp
index 7269616e3fff..964a8d56511f 100644
--- a/llvm/lib/CodeGen/CFIFixup.cpp
+++ b/llvm/lib/CodeGen/CFIFixup.cpp
@@ -100,7 +100,8 @@ static bool containsEpilogue(const MachineBasicBlock &MBB) {
 static MachineBasicBlock *
 findPrologueEnd(MachineFunction &MF, MachineBasicBlock::iterator &PrologueEnd) {
   MachineBasicBlock *PrologueBlock = nullptr;
-  for (auto It = po_begin(&MF.front()), End = po_end(&MF.front()); It != End; ++It) {
+  for (auto It = po_begin(&MF.front()), End = po_end(&MF.front()); It != End;
+       ++It) {
     MachineBasicBlock *MBB = *It;
     llvm::for_each(MBB->instrs(), [&](MachineInstr &MI) {
       if (isPrologueCFIInstruction(MI)) {

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https://github.com/llvm/llvm-project/pull/66524