[AArch64] Initial sched model for Neoverse V3, V3AE (#163932)

Add the scheduling models for Neoverse V3 and Neoverse V3AE 
based on information taken from the V3 Software Optimization guide: 
https://developer.arm.com/documentation/109678/300/?lang=en

and on information taken from the V3AE Software Optimization guide: 
https://developer.arm.com/documentation/109703/300/?lang=en

Implements #134977

Author: simonwallis2

llvm/lib/Target/AArch64/AArch64.td

@@ -133,6 +133,8 @@ include "AArch64SchedNeoverseN2.td"
 include "AArch64SchedNeoverseN3.td"
 include "AArch64SchedNeoverseV1.td"
 include "AArch64SchedNeoverseV2.td"
+include "AArch64SchedNeoverseV3.td"
+include "AArch64SchedNeoverseV3AE.td"
 include "AArch64SchedOryon.td"
 
 include "AArch64Processors.td"

llvm/lib/Target/AArch64/AArch64Processors.td

@@ -1272,11 +1272,11 @@ def : ProcessorModel<"cortex-x2", NeoverseV2Model, ProcessorFeatures.X2,
                      [TuneX2]>;
 def : ProcessorModel<"cortex-x3", NeoverseV2Model, ProcessorFeatures.X3,
                      [TuneX3]>;
-def : ProcessorModel<"cortex-x4", NeoverseV2Model, ProcessorFeatures.X4,
+def : ProcessorModel<"cortex-x4", NeoverseV3Model, ProcessorFeatures.X4,
                      [TuneX4]>;
-def : ProcessorModel<"cortex-x925", NeoverseV2Model, ProcessorFeatures.X925,
+def : ProcessorModel<"cortex-x925", NeoverseV3Model, ProcessorFeatures.X925,
                      [TuneX925]>;
-def : ProcessorModel<"gb10", NeoverseV2Model, ProcessorFeatures.GB10,
+def : ProcessorModel<"gb10", NeoverseV3Model, ProcessorFeatures.GB10,
                      [TuneX925]>;
 def : ProcessorModel<"grace", NeoverseV2Model, ProcessorFeatures.Grace,
                      [TuneNeoverseV2]>;
@@ -1295,9 +1295,9 @@ def : ProcessorModel<"neoverse-v1", NeoverseV1Model,
                      ProcessorFeatures.NeoverseV1, [TuneNeoverseV1]>;
 def : ProcessorModel<"neoverse-v2", NeoverseV2Model,
                      ProcessorFeatures.NeoverseV2, [TuneNeoverseV2]>;
-def : ProcessorModel<"neoverse-v3", NeoverseV2Model,
+def : ProcessorModel<"neoverse-v3", NeoverseV3Model,
                      ProcessorFeatures.NeoverseV3, [TuneNeoverseV3]>;
-def : ProcessorModel<"neoverse-v3ae", NeoverseV2Model,
+def : ProcessorModel<"neoverse-v3ae", NeoverseV3AEModel,
                      ProcessorFeatures.NeoverseV3AE, [TuneNeoverseV3AE]>;
 def : ProcessorModel<"exynos-m3", ExynosM3Model, ProcessorFeatures.ExynosM3,
                      [TuneExynosM3]>;