diff --git a/clang/lib/Basic/Targets/AArch64.cpp b/clang/lib/Basic/Targets/AArch64.cpp
index 46f14b47261ae4..36d178ea8ae98c 100644
--- a/clang/lib/Basic/Targets/AArch64.cpp
+++ b/clang/lib/Basic/Targets/AArch64.cpp
@@ -258,7 +258,6 @@ void AArch64TargetInfo::getTargetDefinesARMV83A(const LangOptions &Opts,
                                                 MacroBuilder &Builder) const {
   Builder.defineMacro("__ARM_FEATURE_COMPLEX", "1");
   Builder.defineMacro("__ARM_FEATURE_JCVT", "1");
-  Builder.defineMacro("__ARM_FEATURE_PAUTH", "1");
   // Also include the Armv8.2 defines
   getTargetDefinesARMV82A(Opts, Builder);
 }
diff --git a/clang/test/CodeGen/aarch64-targetattr.c b/clang/test/CodeGen/aarch64-targetattr.c
index 02da18264da0a3..1a3a84a73dbad1 100644
--- a/clang/test/CodeGen/aarch64-targetattr.c
+++ b/clang/test/CodeGen/aarch64-targetattr.c
@@ -97,19 +97,19 @@ void minusarch() {}
 // CHECK: attributes #0 = { {{.*}} "target-features"="+crc,+fp-armv8,+lse,+neon,+ras,+rdm,+v8.1a,+v8.2a,+v8a" }
 // CHECK: attributes #1 = { {{.*}} "target-features"="+crc,+fp-armv8,+fullfp16,+lse,+neon,+ras,+rdm,+sve,+v8.1a,+v8.2a,+v8a" }
 // CHECK: attributes #2 = { {{.*}} "target-features"="+crc,+fp-armv8,+fullfp16,+lse,+neon,+ras,+rdm,+sve,+sve2,+v8.1a,+v8.2a,+v8a" }
-// CHECK: attributes #3 = { {{.*}} "target-features"="+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fullfp16,+i8mm,+jsconv,+lse,+neon,+ras,+rcpc,+rdm,+sve,+sve2,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+v8.6a,+v8a" }
+// CHECK: attributes #3 = { {{.*}} "target-features"="+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fullfp16,+i8mm,+jsconv,+lse,+neon,+pauth,+ras,+rcpc,+rdm,+sve,+sve2,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+v8.6a,+v8a" }
 // CHECK: attributes #4 = { {{.*}} "target-cpu"="cortex-a710" "target-features"="+bf16,+complxnum,+crc,+dotprod,+flagm,+fp-armv8,+fp16fml,+fullfp16,+i8mm,+jsconv,+lse,+mte,+neon,+pauth,+ras,+rcpc,+rdm,+sb,+sve,+sve2,+sve2-bitperm" }
 // CHECK: attributes #5 = { {{.*}} "tune-cpu"="cortex-a710" }
 // CHECK: attributes #6 = { {{.*}} "target-cpu"="generic" }
 // CHECK: attributes #7 = { {{.*}} "tune-cpu"="generic" }
 // CHECK: attributes #8 = { {{.*}} "target-cpu"="neoverse-n1" "target-features"="+aes,+crc,+dotprod,+fp-armv8,+fullfp16,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+spe,+ssbs" "tune-cpu"="cortex-a710" }
 // CHECK: attributes #9 = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+sve" "tune-cpu"="cortex-a710" }
-// CHECK: attributes #10 = { {{.*}} "target-cpu"="neoverse-v1" "target-features"="+aes,+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+i8mm,+jsconv,+lse,+neon,+rand,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+spe,+ssbs,+sve,+sve2" }
-// CHECK: attributes #11 = { {{.*}} "target-cpu"="neoverse-v1" "target-features"="+aes,+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+i8mm,+jsconv,+lse,+neon,+rand,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+spe,+ssbs,-sve" }
+// CHECK: attributes #10 = { {{.*}} "target-cpu"="neoverse-v1" "target-features"="+aes,+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+i8mm,+jsconv,+lse,+neon,+pauth,+rand,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+spe,+ssbs,+sve,+sve2" }
+// CHECK: attributes #11 = { {{.*}} "target-cpu"="neoverse-v1" "target-features"="+aes,+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+i8mm,+jsconv,+lse,+neon,+pauth,+rand,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+spe,+ssbs,-sve" }
 // CHECK: attributes #12 = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+sve" }
 // CHECK: attributes #13 = { {{.*}} "target-features"="+fp-armv8,+fullfp16,+neon,+sve,-sve2" }
 // CHECK: attributes #14 = { {{.*}} "target-features"="+fullfp16" }
-// CHECK: attributes #15 = { {{.*}} "target-cpu"="neoverse-n1" "target-features"="+aes,+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fullfp16,+i8mm,+jsconv,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+spe,+ssbs,+sve,+sve2,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+v8.6a,+v8a" "tune-cpu"="cortex-a710" }
-// CHECK: attributes #16 = { {{.*}} "branch-target-enforcement"="true" "guarded-control-stack"="true" {{.*}} "target-features"="+aes,+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fullfp16,+i8mm,+jsconv,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+spe,+ssbs,+sve,+sve2,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+v8.6a,+v8a" "tune-cpu"="cortex-a710" }
+// CHECK: attributes #15 = { {{.*}} "target-cpu"="neoverse-n1" "target-features"="+aes,+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fullfp16,+i8mm,+jsconv,+lse,+neon,+pauth,+ras,+rcpc,+rdm,+sha2,+spe,+ssbs,+sve,+sve2,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+v8.6a,+v8a" "tune-cpu"="cortex-a710" }
+// CHECK: attributes #16 = { {{.*}} "branch-target-enforcement"="true" "guarded-control-stack"="true" {{.*}} "target-features"="+aes,+bf16,+complxnum,+crc,+dotprod,+fp-armv8,+fullfp16,+i8mm,+jsconv,+lse,+neon,+pauth,+ras,+rcpc,+rdm,+sha2,+spe,+ssbs,+sve,+sve2,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+v8.6a,+v8a" "tune-cpu"="cortex-a710" }
 // CHECK: attributes #17 = { {{.*}} "target-features"="-neon" }
 // CHECK: attributes #18 = { {{.*}} "target-features"="-v9.3a" }
diff --git a/clang/test/Preprocessor/aarch64-target-features.c b/clang/test/Preprocessor/aarch64-target-features.c
index 062b802909f167..43402225f06891 100644
--- a/clang/test/Preprocessor/aarch64-target-features.c
+++ b/clang/test/Preprocessor/aarch64-target-features.c
@@ -314,15 +314,15 @@
 // CHECK-MCPU-APPLE-A7: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8a" "-target-feature" "+aes"{{.*}} "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-APPLE-A10: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8a" "-target-feature" "+aes"{{.*}} "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-APPLE-A11: "-cc1"{{.*}} "-triple" "aarch64{{.*}}"{{.*}}"-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.2a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+lse" "-target-feature" "+ras" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+neon"
-// CHECK-MCPU-APPLE-A12: "-cc1"{{.*}} "-triple" "aarch64"{{.*}} "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.3a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+neon"
+// CHECK-MCPU-APPLE-A12: "-cc1"{{.*}} "-triple" "aarch64"{{.*}} "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.3a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+pauth" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-A34: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
-// CHECK-MCPU-APPLE-A13: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "apple-a13" "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.4a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+fp16fml" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+sha3" "-target-feature" "+neon"
+// CHECK-MCPU-APPLE-A13: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "apple-a13" "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.4a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+fp16fml" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+pauth" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+sha3" "-target-feature" "+neon"
 // CHECK-MCPU-A35: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-A53: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-A57: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-A72: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-CORTEX-A73: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
-// CHECK-MCPU-CORTEX-R82: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8r" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+fp16fml" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sb" "-target-feature" "+neon" "-target-feature" "+ssbs"
+// CHECK-MCPU-CORTEX-R82: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8r" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+fp16fml" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+pauth" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sb" "-target-feature" "+neon" "-target-feature" "+ssbs"
 // CHECK-MCPU-M3: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-M4: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8.2a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+lse" "-target-feature" "+ras" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+neon"
 // CHECK-MCPU-KRYO: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+sha2" "-target-feature" "+neon"
@@ -331,10 +331,10 @@
 // CHECK-MCPU-CARMEL: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+v8.2a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+lse" "-target-feature" "+ras" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+neon"
 
 // RUN: %clang -target x86_64-apple-macosx -arch arm64 -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-ARCH-ARM64 %s
-// CHECK-ARCH-ARM64: "-target-cpu" "apple-m1" "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.5a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+fp16fml" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+sha3" "-target-feature" "+neon"
+// CHECK-ARCH-ARM64: "-target-cpu" "apple-m1" "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.5a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+dotprod" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+fp16fml" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+pauth" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+sha3" "-target-feature" "+neon"
 
 // RUN: %clang -target x86_64-apple-macosx -arch arm64_32 -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-ARCH-ARM64_32 %s
-// CHECK-ARCH-ARM64_32: "-target-cpu" "apple-s4" "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.3a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+neon"
+// CHECK-ARCH-ARM64_32: "-target-cpu" "apple-s4" "-target-feature" "+zcm" "-target-feature" "+zcz" "-target-feature" "+v8.3a" "-target-feature" "+aes" "-target-feature" "+crc" "-target-feature" "+complxnum" "-target-feature" "+fp-armv8" "-target-feature" "+fullfp16" "-target-feature" "+jsconv" "-target-feature" "+lse" "-target-feature" "+pauth" "-target-feature" "+ras" "-target-feature" "+rcpc" "-target-feature" "+rdm" "-target-feature" "+sha2" "-target-feature" "+neon"
 
 // RUN: %clang -target aarch64 -march=armv8-a+fp+simd+crc+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MARCH-1 %s
 // RUN: %clang -target aarch64 -march=armv8-a+nofp+nosimd+nocrc+nocrypto+fp+simd+crc+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MARCH-1 %s
@@ -497,9 +497,10 @@
 // CHECK-MEMTAG: __ARM_FEATURE_MEMORY_TAGGING 1
 
 // ================== Check Pointer Authentication Extension (PAuth).
-// RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH-OFF %s
-// RUN: %clang -target arm64-none-linux-gnu -march=armv8.5-a -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH-OFF %s
-// RUN: %clang -target arm64-none-linux-gnu -march=armv8-a+pauth -mbranch-protection=none -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH-ON %s
+// RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -x c -E -dM %s -o - | FileCheck -check-prefixes=CHECK-PAUTH-OFF,CHECK-CPU-NOPAUTH %s
+// RUN: %clang -target arm64-none-linux-gnu -march=armv8.5-a+nopauth -x c -E -dM %s -o - | FileCheck -check-prefixes=CHECK-PAUTH-OFF,CHECK-CPU-NOPAUTH %s
+// RUN: %clang -target arm64-none-linux-gnu -march=armv8.5-a -x c -E -dM %s -o - | FileCheck -check-prefixes=CHECK-PAUTH-OFF,CHECK-CPU-PAUTH %s
+// RUN: %clang -target arm64-none-linux-gnu -march=armv8-a+pauth -mbranch-protection=none -x c -E -dM %s -o - | FileCheck -check-prefixes=CHECK-PAUTH-OFF,CHECK-CPU-PAUTH %s
 // RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -mbranch-protection=none -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH-OFF %s
 // RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -mbranch-protection=bti -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH-OFF %s
 // RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -mbranch-protection=standard -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH %s
@@ -507,12 +508,18 @@
 // RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -mbranch-protection=pac-ret+b-key -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH-BKEY %s
 // RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -mbranch-protection=pac-ret+leaf -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH-ALL %s
 // RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -mbranch-protection=pac-ret+leaf+b-key -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-PAUTH-BKEY-ALL %s
-// CHECK-PAUTH-OFF-NOT:  __ARM_FEATURE_PAC_DEFAULT
-// CHECK-PAUTH:          #define __ARM_FEATURE_PAC_DEFAULT 1
-// CHECK-PAUTH-BKEY:     #define __ARM_FEATURE_PAC_DEFAULT 2
-// CHECK-PAUTH-ALL:      #define __ARM_FEATURE_PAC_DEFAULT 5
-// CHECK-PAUTH-BKEY-ALL: #define __ARM_FEATURE_PAC_DEFAULT 6
-// CHECK-PAUTH-ON:       #define __ARM_FEATURE_PAUTH 1
+//
+// Note: PAUTH-OFF - pac-ret is disabled
+//       CPU-NOPAUTH - FEAT_PAUTH support is disabled (but pac-ret can still use HINT-encoded instructions)
+//
+// CHECK-CPU-NOPAUTH-NOT: __ARM_FEATURE_PAUTH
+// CHECK-PAUTH-OFF-NOT:   __ARM_FEATURE_PAC_DEFAULT
+// CHECK-PAUTH:           #define __ARM_FEATURE_PAC_DEFAULT 1
+// CHECK-PAUTH-BKEY:      #define __ARM_FEATURE_PAC_DEFAULT 2
+// CHECK-PAUTH-ALL:       #define __ARM_FEATURE_PAC_DEFAULT 5
+// CHECK-PAUTH-BKEY-ALL:  #define __ARM_FEATURE_PAC_DEFAULT 6
+// CHECK-CPU-PAUTH:       #define __ARM_FEATURE_PAUTH 1
+// CHECK-CPU-NOPAUTH-NOT: __ARM_FEATURE_PAUTH
 
 // ================== Check Branch Target Identification (BTI).
 // RUN: %clang -target arm64-none-linux-gnu -march=armv8-a -x c -E -dM %s -o - | FileCheck -check-prefix=CHECK-BTI-OFF %s
diff --git a/llvm/include/llvm/TargetParser/AArch64TargetParser.h b/llvm/include/llvm/TargetParser/AArch64TargetParser.h
index 92039c20c90449..cce9d6db260d75 100644
--- a/llvm/include/llvm/TargetParser/AArch64TargetParser.h
+++ b/llvm/include/llvm/TargetParser/AArch64TargetParser.h
@@ -478,7 +478,7 @@ inline constexpr ArchInfo ARMV8_1A  = { VersionTuple{8, 1}, AProfile, "armv8.1-a
 inline constexpr ArchInfo ARMV8_2A  = { VersionTuple{8, 2}, AProfile, "armv8.2-a", "+v8.2a", (ARMV8_1A.DefaultExts |
                                         AArch64::ExtensionBitset({AArch64::AEK_RAS}))};
 inline constexpr ArchInfo ARMV8_3A  = { VersionTuple{8, 3}, AProfile, "armv8.3-a", "+v8.3a", (ARMV8_2A.DefaultExts |
-                                        AArch64::ExtensionBitset({AArch64::AEK_RCPC, AArch64::AEK_JSCVT, AArch64::AEK_FCMA}))};
+                                        AArch64::ExtensionBitset({AArch64::AEK_FCMA, AArch64::AEK_JSCVT, AArch64::AEK_PAUTH, AArch64::AEK_RCPC}))};
 inline constexpr ArchInfo ARMV8_4A  = { VersionTuple{8, 4}, AProfile, "armv8.4-a", "+v8.4a", (ARMV8_3A.DefaultExts |
                                         AArch64::ExtensionBitset({AArch64::AEK_DOTPROD}))};
 inline constexpr ArchInfo ARMV8_5A  = { VersionTuple{8, 5}, AProfile, "armv8.5-a", "+v8.5a", (ARMV8_4A.DefaultExts)};
diff --git a/llvm/unittests/TargetParser/TargetParserTest.cpp b/llvm/unittests/TargetParser/TargetParserTest.cpp
index 2fde5b4e642c5f..cbd8fe18cd181c 100644
--- a/llvm/unittests/TargetParser/TargetParserTest.cpp
+++ b/llvm/unittests/TargetParser/TargetParserTest.cpp
@@ -133,8 +133,8 @@ template <ARM::ISAKind ISAKind> struct AssertSameExtensionFlags {
 
     return testing::AssertionFailure() << llvm::formatv(
                "CPU: {4}\n"
-               "Expected extension flags: {0} ({1:x})\n"
-               "     Got extension flags: {2} ({3:x})\n",
+               "Expected extension flags: {0} ({1})\n"
+               "     Got extension flags: {2} ({3})\n",
                FormatExtensionFlags(ExpectedFlags),
                SerializeExtensionFlags(ExpectedFlags),
                FormatExtensionFlags(GotFlags),
@@ -1260,7 +1260,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_AES,     AArch64::AEK_SHA2,  AArch64::AEK_SHA3,
                  AArch64::AEK_SM4,     AArch64::AEK_FP16,  AArch64::AEK_BF16,
                  AArch64::AEK_PROFILE, AArch64::AEK_RAND,  AArch64::AEK_FP16FML,
-                 AArch64::AEK_I8MM,    AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_I8MM,    AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.4-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "neoverse-v2", "armv9-a", "neon-fp-armv8",
@@ -1275,7 +1276,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_SVE2,        AArch64::AEK_PROFILE,
                  AArch64::AEK_FP16FML,     AArch64::AEK_I8MM,
                  AArch64::AEK_SVE2BITPERM, AArch64::AEK_RAND,
-                 AArch64::AEK_JSCVT,       AArch64::AEK_FCMA})),
+                 AArch64::AEK_JSCVT,       AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "9-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "cortex-r82", "armv8-r", "crypto-neon-fp-armv8",
@@ -1284,7 +1286,7 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_DOTPROD, AArch64::AEK_FP, AArch64::AEK_SIMD,
                  AArch64::AEK_FP16, AArch64::AEK_FP16FML, AArch64::AEK_RAS,
                  AArch64::AEK_RCPC, AArch64::AEK_LSE, AArch64::AEK_SB,
-                 AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_JSCVT, AArch64::AEK_FCMA, AArch64::AEK_PAUTH})),
             "8-R"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "cortex-x1", "armv8.2-a", "crypto-neon-fp-armv8",
@@ -1389,7 +1391,8 @@ INSTANTIATE_TEST_SUITE_P(
                 {AArch64::AEK_CRC, AArch64::AEK_AES, AArch64::AEK_SHA2,
                  AArch64::AEK_FP, AArch64::AEK_SIMD, AArch64::AEK_LSE,
                  AArch64::AEK_RAS, AArch64::AEK_RDM, AArch64::AEK_RCPC,
-                 AArch64::AEK_FP16, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_FP16, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.3-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-a13", "armv8.4-a", "crypto-neon-fp-armv8",
@@ -1399,7 +1402,7 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_LSE, AArch64::AEK_RAS, AArch64::AEK_RDM,
                  AArch64::AEK_RCPC, AArch64::AEK_DOTPROD, AArch64::AEK_FP16,
                  AArch64::AEK_FP16FML, AArch64::AEK_SHA3, AArch64::AEK_JSCVT,
-                 AArch64::AEK_FCMA})),
+                 AArch64::AEK_FCMA, AArch64::AEK_PAUTH})),
             "8.4-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-a14", "armv8.5-a", "crypto-neon-fp-armv8",
@@ -1409,7 +1412,7 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_LSE, AArch64::AEK_RAS, AArch64::AEK_RDM,
                  AArch64::AEK_RCPC, AArch64::AEK_DOTPROD, AArch64::AEK_FP16,
                  AArch64::AEK_FP16FML, AArch64::AEK_SHA3, AArch64::AEK_JSCVT,
-                 AArch64::AEK_FCMA})),
+                 AArch64::AEK_FCMA, AArch64::AEK_PAUTH})),
             "8.5-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-a15", "armv8.6-a", "crypto-neon-fp-armv8",
@@ -1419,7 +1422,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_LSE, AArch64::AEK_RAS, AArch64::AEK_RDM,
                  AArch64::AEK_RCPC, AArch64::AEK_DOTPROD, AArch64::AEK_FP16,
                  AArch64::AEK_FP16FML, AArch64::AEK_SHA3, AArch64::AEK_BF16,
-                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.6-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-a16", "armv8.6-a", "crypto-neon-fp-armv8",
@@ -1429,7 +1433,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_LSE, AArch64::AEK_RAS, AArch64::AEK_RDM,
                  AArch64::AEK_RCPC, AArch64::AEK_DOTPROD, AArch64::AEK_FP16,
                  AArch64::AEK_FP16FML, AArch64::AEK_SHA3, AArch64::AEK_BF16,
-                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.6-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-a17", "armv8.6-a", "crypto-neon-fp-armv8",
@@ -1439,7 +1444,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_LSE, AArch64::AEK_RAS, AArch64::AEK_RDM,
                  AArch64::AEK_RCPC, AArch64::AEK_DOTPROD, AArch64::AEK_FP16,
                  AArch64::AEK_FP16FML, AArch64::AEK_SHA3, AArch64::AEK_BF16,
-                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.6-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-m1", "armv8.5-a", "crypto-neon-fp-armv8",
@@ -1449,7 +1455,7 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_LSE, AArch64::AEK_RAS, AArch64::AEK_RDM,
                  AArch64::AEK_RCPC, AArch64::AEK_DOTPROD, AArch64::AEK_FP16,
                  AArch64::AEK_FP16FML, AArch64::AEK_SHA3, AArch64::AEK_JSCVT,
-                 AArch64::AEK_FCMA})),
+                 AArch64::AEK_FCMA, AArch64::AEK_PAUTH})),
             "8.5-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-m2", "armv8.6-a", "crypto-neon-fp-armv8",
@@ -1459,7 +1465,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_LSE, AArch64::AEK_RAS, AArch64::AEK_RDM,
                  AArch64::AEK_RCPC, AArch64::AEK_DOTPROD, AArch64::AEK_FP16,
                  AArch64::AEK_FP16FML, AArch64::AEK_SHA3, AArch64::AEK_BF16,
-                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.6-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-m3", "armv8.6-a", "crypto-neon-fp-armv8",
@@ -1469,7 +1476,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_LSE, AArch64::AEK_RAS, AArch64::AEK_RDM,
                  AArch64::AEK_RCPC, AArch64::AEK_DOTPROD, AArch64::AEK_FP16,
                  AArch64::AEK_FP16FML, AArch64::AEK_SHA3, AArch64::AEK_BF16,
-                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_I8MM, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.6-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-s4", "armv8.3-a", "crypto-neon-fp-armv8",
@@ -1477,7 +1485,8 @@ INSTANTIATE_TEST_SUITE_P(
                 {AArch64::AEK_CRC, AArch64::AEK_AES, AArch64::AEK_SHA2,
                  AArch64::AEK_FP, AArch64::AEK_SIMD, AArch64::AEK_LSE,
                  AArch64::AEK_RAS, AArch64::AEK_RDM, AArch64::AEK_RCPC,
-                 AArch64::AEK_FP16, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_FP16, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.3-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "apple-s5", "armv8.3-a", "crypto-neon-fp-armv8",
@@ -1485,7 +1494,8 @@ INSTANTIATE_TEST_SUITE_P(
                 {AArch64::AEK_CRC, AArch64::AEK_AES, AArch64::AEK_SHA2,
                  AArch64::AEK_FP, AArch64::AEK_SIMD, AArch64::AEK_LSE,
                  AArch64::AEK_RAS, AArch64::AEK_RDM, AArch64::AEK_RCPC,
-                 AArch64::AEK_FP16, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_FP16, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.3-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "exynos-m3", "armv8-a", "crypto-neon-fp-armv8",
@@ -1550,7 +1560,7 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_SB,          AArch64::AEK_SVE2,
                  AArch64::AEK_SVE2BITPERM, AArch64::AEK_BF16,
                  AArch64::AEK_I8MM,        AArch64::AEK_JSCVT,
-                 AArch64::AEK_FCMA})),
+                 AArch64::AEK_FCMA,        AArch64::AEK_PAUTH})),
             "8.5-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "ampere1", "armv8.6-a", "crypto-neon-fp-armv8",
@@ -1561,7 +1571,7 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_SHA3, AArch64::AEK_BF16, AArch64::AEK_SHA2,
                  AArch64::AEK_AES, AArch64::AEK_I8MM, AArch64::AEK_SSBS,
                  AArch64::AEK_SB, AArch64::AEK_RAND, AArch64::AEK_JSCVT,
-                 AArch64::AEK_FCMA})),
+                 AArch64::AEK_FCMA, AArch64::AEK_PAUTH})),
             "8.6-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "ampere1a", "armv8.6-a", "crypto-neon-fp-armv8",
@@ -1572,7 +1582,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_SM4, AArch64::AEK_SHA3, AArch64::AEK_BF16,
                  AArch64::AEK_SHA2, AArch64::AEK_AES, AArch64::AEK_I8MM,
                  AArch64::AEK_SSBS, AArch64::AEK_SB, AArch64::AEK_RAND,
-                 AArch64::AEK_MTE, AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_MTE, AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.6-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "neoverse-512tvb", "armv8.4-a", "crypto-neon-fp-armv8",
@@ -1584,7 +1595,8 @@ INSTANTIATE_TEST_SUITE_P(
                  AArch64::AEK_AES,     AArch64::AEK_SHA2,  AArch64::AEK_SHA3,
                  AArch64::AEK_SM4,     AArch64::AEK_FP16,  AArch64::AEK_BF16,
                  AArch64::AEK_PROFILE, AArch64::AEK_RAND,  AArch64::AEK_FP16FML,
-                 AArch64::AEK_I8MM,    AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_I8MM,    AArch64::AEK_JSCVT, AArch64::AEK_FCMA,
+                 AArch64::AEK_PAUTH})),
             "8.4-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "thunderx2t99", "armv8.1-a", "crypto-neon-fp-armv8",
@@ -1599,7 +1611,7 @@ INSTANTIATE_TEST_SUITE_P(
                 {AArch64::AEK_CRC, AArch64::AEK_AES, AArch64::AEK_SHA2,
                  AArch64::AEK_LSE, AArch64::AEK_RDM, AArch64::AEK_FP,
                  AArch64::AEK_SIMD, AArch64::AEK_RAS, AArch64::AEK_RCPC,
-                 AArch64::AEK_JSCVT, AArch64::AEK_FCMA})),
+                 AArch64::AEK_JSCVT, AArch64::AEK_FCMA, AArch64::AEK_PAUTH})),
             "8.3-A"),
         ARMCPUTestParams<AArch64::ExtensionBitset>(
             "thunderx", "armv8-a", "crypto-neon-fp-armv8",