fixup! [PAuthLR] Add support for FEAT_PAuth_LR's DWARF frame instruction

Formatting Fixes

Author: Stylie777

llvm/include/llvm/MC/MCDwarf.h

@@ -649,7 +649,6 @@ class MCCFIInstruction {
     return MCCFIInstruction(OpNegateRAStateWithPC, L, 0, INT64_C(0), Loc);
   }
 
-
   /// .cfi_restore says that the rule for Register is now the same as it
   /// was at the beginning of the function, after all initial instructions added
   /// by .cfi_startproc were executed.

llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp

@@ -668,26 +668,26 @@ Error UnwindTable::parseRows(const CFIProgram &CFIP, UnwindRow &Row,
       break;
 
     case dwarf::DW_CFA_AARCH64_negate_ra_state_with_pc: {
-        constexpr uint32_t AArch64DWARFPAuthRaState = 34;
-        auto LRLoc = Row.getRegisterLocations().getRegisterLocation(
-            AArch64DWARFPAuthRaState);
-        if (LRLoc) {
-          if (LRLoc->getLocation() == UnwindLocation::Constant) {
-            // Toggle the constant value of bits[1:0] from 0 to 1 or 1 to 0.
-            LRLoc->setConstant(LRLoc->getConstant() ^ 0x3);
-          } else {
-            return createStringError(
-                errc::invalid_argument,
-                "%s encountered when existing rule for this register is not "
-                "a constant",
-                CFIP.callFrameString(Inst.Opcode).str().c_str());
-          }
+      constexpr uint32_t AArch64DWARFPAuthRaState = 34;
+      auto LRLoc = Row.getRegisterLocations().getRegisterLocation(
+          AArch64DWARFPAuthRaState);
+      if (LRLoc) {
+        if (LRLoc->getLocation() == UnwindLocation::Constant) {
+          // Toggle the constant value of bits[1:0] from 0 to 1 or 1 to 0.
+          LRLoc->setConstant(LRLoc->getConstant() ^ 0x3);
         } else {
-          Row.getRegisterLocations().setRegisterLocation(
-              AArch64DWARFPAuthRaState, UnwindLocation::createIsConstant(0x3));
+          return createStringError(
+              errc::invalid_argument,
+              "%s encountered when existing rule for this register is not "
+              "a constant",
+              CFIP.callFrameString(Inst.Opcode).str().c_str());
         }
-        break;
+      } else {
+        Row.getRegisterLocations().setRegisterLocation(
+            AArch64DWARFPAuthRaState, UnwindLocation::createIsConstant(0x3));
       }
+      break;
+    }
 
     case dwarf::DW_CFA_undefined: {
       llvm::Expected<uint64_t> RegNum = Inst.getOperandAsUnsigned(CFIP, 0);

llvm/lib/Target/AArch64/AArch64PointerAuth.cpp

@@ -224,13 +224,15 @@ void AArch64PointerAuth::authenticateLR(
               TII->get(UseBKey ? AArch64::AUTIBSPPCi : AArch64::AUTIASPPCi))
           .addSym(PACSym)
           .setMIFlag(MachineInstr::FrameDestroy);
-      emitPACCFI(*Subtarget, MBB, MBBI, DL, MachineInstr::FrameDestroy, EmitAsyncCFI);
+      emitPACCFI(*Subtarget, MBB, MBBI, DL, MachineInstr::FrameDestroy,
+                 EmitAsyncCFI);
     } else {
       BuildPACM(*Subtarget, MBB, MBBI, DL, MachineInstr::FrameDestroy, PACSym);
       BuildMI(MBB, MBBI, DL,
               TII->get(UseBKey ? AArch64::AUTIBSP : AArch64::AUTIASP))
           .setMIFlag(MachineInstr::FrameDestroy);
-      emitPACCFI(*Subtarget, MBB, MBBI, DL, MachineInstr::FrameDestroy, EmitAsyncCFI);
+      emitPACCFI(*Subtarget, MBB, MBBI, DL, MachineInstr::FrameDestroy,
+                 EmitAsyncCFI);
     }
 
     if (NeedsWinCFI) {