[AArch64] Add tests for fusion on Ampere1/1A/1B (#81725)

As commented on the PR #81293, the Ampere1-family does not have test
cases for the common fusion cases it implements. This adds the Ampere1
targets to the relevant misched-fusion testcases:
 * addadrp
 * addr
 * aes

Author: ptomsich

llvm/test/CodeGen/AArch64/misched-fusion-addadrp.ll

@@ -15,6 +15,9 @@
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=neoverse-v2     | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=apple-a16 -mattr=-fuse-literals | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=apple-a17 -mattr=-fuse-literals | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1  -mattr=-fuse-literals | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1a -mattr=-fuse-literals | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1b -mattr=-fuse-literals | FileCheck %s
 
 @g = common local_unnamed_addr global ptr null, align 8
 

llvm/test/CodeGen/AArch64/misched-fusion-addr.ll

@@ -3,6 +3,9 @@
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m3     | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m4     | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m5     | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1       | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1a      | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1b      | FileCheck %s
 
 target triple = "aarch64-unknown"
 

llvm/test/CodeGen/AArch64/misched-fusion-aes.ll

@@ -17,6 +17,9 @@
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m3  | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m4  | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m5  | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1    | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1a   | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=ampere1b   | FileCheck %s
 
 declare <16 x i8> @llvm.aarch64.crypto.aese(<16 x i8> %d, <16 x i8> %k)
 declare <16 x i8> @llvm.aarch64.crypto.aesmc(<16 x i8> %d)