[AArch64] Add support for Neoverse-N3, Neoverse-V3 and Neoverse-V3AE (#90143)

Neoverse-N3, Neoverse-V3 and Neoverse-V3AE are Armv9.2 AArch64 CPUs.

Technical Reference Manual for Neoverse-N3:
   https://developer.arm.com/documentation/107997/latest/

Technical Reference Manual for Neoverse-V3:
   https://developer.arm.com/documentation/107734/latest/

Technical Reference Manual for Neoverse-V3AE:
   https://developer.arm.com/documentation/101595/latest/

GitOrigin-RevId: a670cdadca54910a8e65d5521f2119337fb0bd03
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 1576f68..9256326 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -633,6 +633,9 @@
     * Arm Cortex-A78AE (cortex-a78ae).
     * Arm Cortex-A520AE (cortex-a520ae).
     * Arm Cortex-A720AE (cortex-a720ae).
+    * Arm Neoverse-N3 (neoverse-n3).
+    * Arm Neoverse-V3 (neoverse-v3).
+    * Arm Neoverse-V3AE (neoverse-v3ae).
 
 Android Support
 ^^^^^^^^^^^^^^^
diff --git a/test/Driver/aarch64-mcpu.c b/test/Driver/aarch64-mcpu.c
index 77ba431..ad4a5f9 100644
--- a/test/Driver/aarch64-mcpu.c
+++ b/test/Driver/aarch64-mcpu.c
@@ -64,10 +64,16 @@
 // NEOVERSE-V1: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-v1"
 // RUN: %clang --target=aarch64 -mcpu=neoverse-v2  -### -c %s 2>&1 | FileCheck -check-prefix=NEOVERSE-V2 %s
 // NEOVERSE-V2: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-v2"
+// RUN: %clang --target=aarch64 -mcpu=neoverse-v3  -### -c %s 2>&1 | FileCheck -check-prefix=NEOVERSE-V3 %s
+// NEOVERSE-V3: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-v3"
+// RUN: %clang --target=aarch64 -mcpu=neoverse-v3ae  -### -c %s 2>&1 | FileCheck -check-prefix=NEOVERSE-V3AE %s
+// NEOVERSE-V3AE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-v3ae"
 // RUN: %clang --target=aarch64 -mcpu=neoverse-n1 -### -c %s 2>&1 | FileCheck -check-prefix=NEOVERSE-N1 %s
 // NEOVERSE-N1: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-n1"
 // RUN: %clang --target=aarch64 -mcpu=neoverse-n2 -### -c %s 2>&1 | FileCheck -check-prefix=NEOVERSE-N2 %s
 // NEOVERSE-N2: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-n2"
+// RUN: %clang --target=aarch64 -mcpu=neoverse-n3 -### -c %s 2>&1 | FileCheck -check-prefix=NEOVERSE-N3 %s
+// NEOVERSE-N3: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-n3"
 // RUN: %clang --target=aarch64 -mcpu=neoverse-512tvb -### -c %s 2>&1 | FileCheck -check-prefix=NEOVERSE-512TVB %s
 // NEOVERSE-512TVB: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "neoverse-512tvb"
 // RUN: %clang --target=aarch64 -mcpu=cortex-a520 -### -c %s 2>&1 | FileCheck -check-prefix=CORTEX-A520 %s
diff --git a/test/Misc/target-invalid-cpu-note.c b/test/Misc/target-invalid-cpu-note.c
index 9c91c41..21d80b7 100644
--- a/test/Misc/target-invalid-cpu-note.c
+++ b/test/Misc/target-invalid-cpu-note.c
@@ -5,11 +5,11 @@
 
 // RUN: not %clang_cc1 -triple arm64--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix AARCH64
 // AARCH64: error: unknown target CPU 'not-a-cpu'
-// AARCH64-NEXT: note: valid target CPU values are: cortex-a34, cortex-a35, cortex-a53, cortex-a55, cortex-a510, cortex-a520, cortex-a520ae, cortex-a57, cortex-a65, cortex-a65ae, cortex-a72, cortex-a73, cortex-a75, cortex-a76, cortex-a76ae, cortex-a77, cortex-a78, cortex-a78ae, cortex-a78c, cortex-a710, cortex-a715, cortex-a720, cortex-a720ae, cortex-r82, cortex-x1, cortex-x1c, cortex-x2, cortex-x3, cortex-x4, neoverse-e1, neoverse-n1, neoverse-n2, neoverse-512tvb, neoverse-v1, neoverse-v2, cyclone, apple-a7, apple-a8, apple-a9, apple-a10, apple-a11, apple-a12, apple-a13, apple-a14, apple-a15, apple-a16, apple-a17, apple-m1, apple-m2, apple-m3, apple-s4, apple-s5, exynos-m3, exynos-m4, exynos-m5, falkor, saphira, kryo, thunderx2t99, thunderx3t110, thunderx, thunderxt88, thunderxt81, thunderxt83, tsv110, a64fx, carmel, ampere1, ampere1a, ampere1b, cobalt-100, grace{{$}}
+// AARCH64-NEXT: note: valid target CPU values are: cortex-a34, cortex-a35, cortex-a53, cortex-a55, cortex-a510, cortex-a520, cortex-a520ae, cortex-a57, cortex-a65, cortex-a65ae, cortex-a72, cortex-a73, cortex-a75, cortex-a76, cortex-a76ae, cortex-a77, cortex-a78, cortex-a78ae, cortex-a78c, cortex-a710, cortex-a715, cortex-a720, cortex-a720ae, cortex-r82, cortex-x1, cortex-x1c, cortex-x2, cortex-x3, cortex-x4, neoverse-e1, neoverse-n1, neoverse-n2, neoverse-n3, neoverse-512tvb, neoverse-v1, neoverse-v2, neoverse-v3, neoverse-v3ae, cyclone, apple-a7, apple-a8, apple-a9, apple-a10, apple-a11, apple-a12, apple-a13, apple-a14, apple-a15, apple-a16, apple-a17, apple-m1, apple-m2, apple-m3, apple-s4, apple-s5, exynos-m3, exynos-m4, exynos-m5, falkor, saphira, kryo, thunderx2t99, thunderx3t110, thunderx, thunderxt88, thunderxt81, thunderxt83, tsv110, a64fx, carmel, ampere1, ampere1a, ampere1b, cobalt-100, grace{{$}}
 
 // RUN: not %clang_cc1 -triple arm64--- -tune-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix TUNE_AARCH64
 // TUNE_AARCH64: error: unknown target CPU 'not-a-cpu'
-// TUNE_AARCH64-NEXT: note: valid target CPU values are: cortex-a34, cortex-a35, cortex-a53, cortex-a55, cortex-a510, cortex-a520, cortex-a520ae, cortex-a57, cortex-a65, cortex-a65ae, cortex-a72, cortex-a73, cortex-a75, cortex-a76, cortex-a76ae, cortex-a77, cortex-a78, cortex-a78ae, cortex-a78c, cortex-a710, cortex-a715, cortex-a720, cortex-a720ae, cortex-r82, cortex-x1, cortex-x1c, cortex-x2, cortex-x3, cortex-x4, neoverse-e1, neoverse-n1, neoverse-n2, neoverse-512tvb, neoverse-v1, neoverse-v2, cyclone, apple-a7, apple-a8, apple-a9, apple-a10, apple-a11, apple-a12, apple-a13, apple-a14, apple-a15, apple-a16, apple-a17, apple-m1, apple-m2, apple-m3, apple-s4, apple-s5, exynos-m3, exynos-m4, exynos-m5, falkor, saphira, kryo, thunderx2t99, thunderx3t110, thunderx, thunderxt88, thunderxt81, thunderxt83, tsv110, a64fx, carmel, ampere1, ampere1a, ampere1b, cobalt-100, grace{{$}}
+// TUNE_AARCH64-NEXT: note: valid target CPU values are: cortex-a34, cortex-a35, cortex-a53, cortex-a55, cortex-a510, cortex-a520, cortex-a520ae, cortex-a57, cortex-a65, cortex-a65ae, cortex-a72, cortex-a73, cortex-a75, cortex-a76, cortex-a76ae, cortex-a77, cortex-a78, cortex-a78ae, cortex-a78c, cortex-a710, cortex-a715, cortex-a720, cortex-a720ae, cortex-r82, cortex-x1, cortex-x1c, cortex-x2, cortex-x3, cortex-x4, neoverse-e1, neoverse-n1, neoverse-n2, neoverse-n3, neoverse-512tvb, neoverse-v1, neoverse-v2, neoverse-v3, neoverse-v3ae, cyclone, apple-a7, apple-a8, apple-a9, apple-a10, apple-a11, apple-a12, apple-a13, apple-a14, apple-a15, apple-a16, apple-a17, apple-m1, apple-m2, apple-m3, apple-s4, apple-s5, exynos-m3, exynos-m4, exynos-m5, falkor, saphira, kryo, thunderx2t99, thunderx3t110, thunderx, thunderxt88, thunderxt81, thunderxt83, tsv110, a64fx, carmel, ampere1, ampere1a, ampere1b, cobalt-100, grace{{$}}
 
 // RUN: not %clang_cc1 -triple i386--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix X86
 // X86: error: unknown target CPU 'not-a-cpu'