[llvm] [AArch64] Initial compiler support for SVE unwind on Windows. (PR #138609)

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git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp llvm/lib/Target/AArch64/AArch64FrameLowering.cpp llvm/lib/Target/AArch64/AArch64InstrInfo.cpp llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
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View the diff from clang-format here.
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diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
index 05f1b67c4..87703dc6f 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -2040,7 +2040,8 @@ void AArch64FrameLowering::emitPrologue(MachineFunction &MF,
 
   if (windowsRequiresStackProbe(MF, NumBytes + RealignmentPadding)) {
     if (AFI->getSVECalleeSavedStackSize())
-      report_fatal_error("SVE callee saves not yet supported with stack probing");
+      report_fatal_error(
+          "SVE callee saves not yet supported with stack probing");
     uint64_t NumWords = (NumBytes + RealignmentPadding) >> 4;
     if (NeedsWinCFI) {
       HasWinCFI = true;
@@ -2686,7 +2687,8 @@ AArch64FrameLowering::getFrameIndexReferenceFromSP(const MachineFunction &MF,
   bool FPAfterSVECalleeSaves =
       isTargetWindows(MF) && AFI->getSVECalleeSavedStackSize();
   if (MFI.getStackID(FI) == TargetStackID::ScalableVector) {
-    if (FPAfterSVECalleeSaves && -ObjectOffset <= AFI->getSVECalleeSavedStackSize())
+    if (FPAfterSVECalleeSaves &&
+        -ObjectOffset <= AFI->getSVECalleeSavedStackSize())
       return StackOffset::get(0, ObjectOffset);
     return StackOffset::get(-((int64_t)AFI->getCalleeSavedStackSize()),
                             ObjectOffset);

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https://github.com/llvm/llvm-project/pull/138609