diff --git a/llvm/include/llvm/CodeGen/TargetFrameLowering.h b/llvm/include/llvm/CodeGen/TargetFrameLowering.h
index 97de0197da9b4..cdbefb36c00c7 100644
--- a/llvm/include/llvm/CodeGen/TargetFrameLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetFrameLowering.h
@@ -229,10 +229,17 @@ class TargetFrameLowering {
 
   /// Returns true if we may need to fix the unwind information for the
   /// function.
-  virtual bool enableCFIFixup(MachineFunction &MF) const;
+  virtual bool enableCFIFixup(const MachineFunction &MF) const;
+
+  /// enableFullCFIFixup - Returns true if we may need to fix the unwind
+  /// information such that it is accurate for *every* instruction in the
+  /// function (e.g. if the function has an async unwind table).
+  virtual bool enableFullCFIFixup(const MachineFunction &MF) const {
+    return enableCFIFixup(MF);
+  };
 
   /// Emit CFI instructions that recreate the state of the unwind information
-  /// upon fucntion entry.
+  /// upon function entry.
   virtual void resetCFIToInitialState(MachineBasicBlock &MBB) const {}
 
   /// Replace a StackProbe stub (if any) with the actual probe code inline
diff --git a/llvm/lib/CodeGen/CFIFixup.cpp b/llvm/lib/CodeGen/CFIFixup.cpp
index 7986f7d213454..eaef14574385a 100644
--- a/llvm/lib/CodeGen/CFIFixup.cpp
+++ b/llvm/lib/CodeGen/CFIFixup.cpp
@@ -80,6 +80,7 @@
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCDwarf.h"
+#include "llvm/Support/CodeGen.h"
 #include "llvm/Target/TargetMachine.h"
 
 #include <iterator>
@@ -252,6 +253,11 @@ fixupBlock(MachineBasicBlock &CurrBB, const BlockFlagsVector &BlockInfo,
   if (!Info.Reachable)
     return false;
 
+  // If we don't need to perform full CFI fix up, we only need to fix up the
+  // first basic block in the section.
+  if (!TFL.enableFullCFIFixup(MF) && !CurrBB.isBeginSection())
+    return false;
+
   // If the previous block and the current block are in the same section,
   // the frame info will propagate from the previous block to the current one.
   const BlockFlags &PrevInfo =
diff --git a/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp b/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp
index 08e86c705786c..5784974cd8ed9 100644
--- a/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp
+++ b/llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp
@@ -35,7 +35,7 @@ bool TargetFrameLowering::enableCalleeSaveSkip(const MachineFunction &MF) const
   return false;
 }
 
-bool TargetFrameLowering::enableCFIFixup(MachineFunction &MF) const {
+bool TargetFrameLowering::enableCFIFixup(const MachineFunction &MF) const {
   return MF.needsFrameMoves() &&
          !MF.getTarget().getMCAsmInfo()->usesWindowsCFI();
 }
diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
index d3abd79b85a75..d118022395762 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -2612,8 +2612,13 @@ void AArch64FrameLowering::emitEpilogue(MachineFunction &MF,
   }
 }
 
-bool AArch64FrameLowering::enableCFIFixup(MachineFunction &MF) const {
+bool AArch64FrameLowering::enableCFIFixup(const MachineFunction &MF) const {
   return TargetFrameLowering::enableCFIFixup(MF) &&
+         MF.getInfo<AArch64FunctionInfo>()->needsDwarfUnwindInfo(MF);
+}
+
+bool AArch64FrameLowering::enableFullCFIFixup(const MachineFunction &MF) const {
+  return enableCFIFixup(MF) &&
          MF.getInfo<AArch64FunctionInfo>()->needsAsyncDwarfUnwindInfo(MF);
 }
 
diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.h b/llvm/lib/Target/AArch64/AArch64FrameLowering.h
index 8f84702f4d2ba..e7d52bb350f13 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.h
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.h
@@ -36,7 +36,9 @@ class AArch64FrameLowering : public TargetFrameLowering {
   void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
 
-  bool enableCFIFixup(MachineFunction &MF) const override;
+  bool enableCFIFixup(const MachineFunction &MF) const override;
+
+  bool enableFullCFIFixup(const MachineFunction &MF) const override;
 
   bool canUseAsPrologue(const MachineBasicBlock &MBB) const override;
 
diff --git a/llvm/test/CodeGen/AArch64/cfi-fixup-multi-section.mir b/llvm/test/CodeGen/AArch64/cfi-fixup-multi-section.mir
index a24972d138832..a4c88be375c01 100644
--- a/llvm/test/CodeGen/AArch64/cfi-fixup-multi-section.mir
+++ b/llvm/test/CodeGen/AArch64/cfi-fixup-multi-section.mir
@@ -10,9 +10,19 @@
     ret i32 0
   }
 
+  define i32 @f1(i32 %x) #1 {
+  entry: br label %return
+  if.end: br label %return
+  if.then2: br label %return
+  if.else: br label %return
+  return:
+    ret i32 0
+  }
+
   declare i32 @g(i32)
 
   attributes #0 = { nounwind shadowcallstack uwtable "sign-return-address"="non-leaf" "target-features"="+reserve-x18" }
+  attributes #1 = { nounwind shadowcallstack uwtable(sync) "sign-return-address"="non-leaf" "target-features"="+reserve-x18" }
 
 ...
 ---
@@ -197,4 +207,181 @@ body:             |
     B %bb.7
 
 
+...
+---
+name:            f1
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+hasWinCFI:       false
+failsVerification: false
+registers:       []
+liveins:
+  - { reg: '$w0', virtual-reg: '' }
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       16
+  offsetAdjustment: 0
+  maxAlignment:    16
+  adjustsStack:    true
+  hasCalls:        true
+  stackProtector:  ''
+  maxCallFrameSize: 0
+  cvBytesOfCalleeSavedRegisters: 0
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  hasTailCall:     false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:      []
+stack:
+  - { id: 0, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16,
+      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+callSites:       []
+debugValueSubstitutions: []
+constants:       []
+body:             |
+  ; CHECK-LABEL: name: f1
+  ; CHECK: bb.0.entry:
+  ; CHECK-NEXT:   successors: %bb.4(0x30000000), %bb.1(0x50000000)
+  ; CHECK-NEXT:   liveins: $w0, $lr, $x18
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   CBZW renamable $w0, %bb.4
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.1.if.end:
+  ; CHECK-NEXT:   successors: %bb.3(0x30000000), %bb.2(0x50000000)
+  ; CHECK-NEXT:   liveins: $w0, $lr, $x18
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   early-clobber $x18 = frame-setup STRXpost $lr, $x18, 8
+  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION escape 0x16, 0x12, 0x02, 0x82, 0x78
+  ; CHECK-NEXT:   frame-setup PACIASP implicit-def $lr, implicit killed $lr, implicit $sp
+  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION negate_ra_sign_state
+  ; CHECK-NEXT:   early-clobber $sp = frame-setup STRXpre killed $lr, $sp, -16 :: (store (s64) into %stack.0)
+  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_offset 16
+  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION offset $w30, -16
+  ; CHECK-NEXT:   TBNZW renamable $w0, 31, %bb.3
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.2.if.else:
+  ; CHECK-NEXT:   successors: %bb.5(0x80000000)
+  ; CHECK-NEXT:   liveins: $w0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   renamable $w0 = nuw nsw ADDWri killed renamable $w0, 1, 0
+  ; CHECK-NEXT:   BL @g, csr_aarch64_aapcs_scs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
+  ; CHECK-NEXT:   renamable $w8 = MOVZWi 1, 0
+  ; CHECK-NEXT:   $w0 = SUBWrs killed renamable $w8, killed renamable $w0, 0
+  ; CHECK-NEXT:   B %bb.5
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.3.if.then2 (bbsections 1):
+  ; CHECK-NEXT:   successors: %bb.5(0x80000000)
+  ; CHECK-NEXT:   liveins: $w0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION escape 0x16, 0x12, 0x02, 0x82, 0x78
+  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION negate_ra_sign_state
+  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_offset 16
+  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION offset $w30, -16
+  ; CHECK-NEXT:   renamable $w0 = nsw SUBWri killed renamable $w0, 1, 0
+  ; CHECK-NEXT:   BL @g, csr_aarch64_aapcs_scs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
+  ; CHECK-NEXT:   renamable $w0 = nsw ADDWri killed renamable $w0, 1, 0
+  ; CHECK-NEXT:   B %bb.5
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.4.return:
+  ; CHECK-NEXT:   liveins: $w0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   RET undef $lr, implicit killed $w0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.5.return:
+  ; CHECK-NEXT:   successors: %bb.7(0x80000000)
+  ; CHECK-NEXT:   liveins: $w0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   B %bb.7
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.6.return:
+  ; CHECK-NEXT:   liveins: $w0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   early-clobber $sp, $lr = frame-destroy LDRXpost $sp, 16 :: (load (s64) from %stack.0)
+  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 0
+  ; CHECK-NEXT:   frame-destroy AUTIASP implicit-def $lr, implicit killed $lr, implicit $sp
+  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION negate_ra_sign_state
+  ; CHECK-NEXT:   early-clobber $x18, $lr = frame-destroy LDRXpre $x18, -8
+  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w18
+  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w30
+  ; CHECK-NEXT:   RET undef $lr, implicit killed $w0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.7.return:
+  ; CHECK-NEXT:   successors: %bb.6(0x80000000)
+  ; CHECK-NEXT:   liveins: $w0
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   B %bb.6
+  bb.0.entry:
+    successors: %bb.4(0x30000000), %bb.1(0x50000000)
+    liveins: $w0, $lr, $x18
+
+    CBZW renamable $w0, %bb.4
+
+  bb.1.if.end:
+    successors: %bb.3(0x30000000), %bb.2(0x50000000)
+    liveins: $w0, $lr, $x18
+
+    early-clobber $x18 = frame-setup STRXpost $lr, $x18, 8
+    frame-setup CFI_INSTRUCTION escape 0x16, 0x12, 0x02, 0x82, 0x78
+    frame-setup PACIASP implicit-def $lr, implicit killed $lr, implicit $sp
+    frame-setup CFI_INSTRUCTION negate_ra_sign_state
+    early-clobber $sp = frame-setup STRXpre killed $lr, $sp, -16 :: (store (s64) into %stack.0)
+    frame-setup CFI_INSTRUCTION def_cfa_offset 16
+    frame-setup CFI_INSTRUCTION offset $w30, -16
+    TBNZW renamable $w0, 31, %bb.3
+
+  bb.2.if.else:
+    successors: %bb.5(0x80000000)
+    liveins: $w0
+
+    renamable $w0 = nuw nsw ADDWri killed renamable $w0, 1, 0
+    BL @g, csr_aarch64_aapcs_scs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
+    renamable $w8 = MOVZWi 1, 0
+    $w0 = SUBWrs killed renamable $w8, killed renamable $w0, 0
+    B %bb.5
+
+  bb.3.if.then2 (bbsections 1):
+    successors: %bb.5(0x80000000)
+    liveins: $w0
+
+    renamable $w0 = nsw SUBWri killed renamable $w0, 1, 0
+    BL @g, csr_aarch64_aapcs_scs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
+    renamable $w0 = nsw ADDWri killed renamable $w0, 1, 0
+    B %bb.5
+
+  bb.4.return:
+    liveins: $w0
+    RET undef $lr, implicit killed $w0
+
+  bb.5.return:
+    liveins: $w0
+    B %bb.6
+
+  bb.7.return:
+    liveins: $w0
+    early-clobber $sp, $lr = frame-destroy LDRXpost $sp, 16 :: (load (s64) from %stack.0)
+    frame-destroy CFI_INSTRUCTION def_cfa_offset 0
+    frame-destroy AUTIASP implicit-def $lr, implicit killed $lr, implicit $sp
+    frame-destroy CFI_INSTRUCTION negate_ra_sign_state
+    early-clobber $x18, $lr = frame-destroy LDRXpre $x18, -8
+    frame-destroy CFI_INSTRUCTION restore $w18
+    frame-destroy CFI_INSTRUCTION restore $w30
+    RET undef $lr, implicit killed $w0
+
+  bb.6.return:
+    liveins: $w0
+    B %bb.7
+
+
 ...