[llvm] [llvm][aarch64] Apple A16 & A17 had adrp-add fusion, but A14 did not (PR #81325)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-aarch64

Author: Jon Roelofs (jroelofs)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/81325.diff


1 Files Affected:

- (modified) llvm/lib/Target/AArch64/AArch64.td (+2-1) 


``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64.td b/llvm/lib/Target/AArch64/AArch64.td
index 02fb01caf7e80..bc5cb852e13f1 100644
--- a/llvm/lib/Target/AArch64/AArch64.td
+++ b/llvm/lib/Target/AArch64/AArch64.td
@@ -1120,7 +1120,6 @@ def TuneAppleA14 : SubtargetFeature<"apple-a14", "ARMProcFamily", "AppleA14",
                                     FeatureFuseArithmeticLogic,
                                     FeatureFuseCCSelect,
                                     FeatureFuseCryptoEOR,
-                                    FeatureFuseAdrpAdd,
                                     FeatureFuseLiterals,
                                     FeatureStorePairSuppress,
                                     FeatureZCRegMove,
@@ -1149,6 +1148,7 @@ def TuneAppleA16 : SubtargetFeature<"apple-a16", "ARMProcFamily", "AppleA16",
                                     FeatureArithmeticCbzFusion,
                                     FeatureDisableLatencySchedHeuristic,
                                     FeatureFuseAddress,
+                                    FeatureFuseAdrpAdd,
                                     FeatureFuseAES,
                                     FeatureFuseArithmeticLogic,
                                     FeatureFuseCCSelect,
@@ -1165,6 +1165,7 @@ def TuneAppleA17 : SubtargetFeature<"apple-a17", "ARMProcFamily", "AppleA17",
                                     FeatureArithmeticCbzFusion,
                                     FeatureDisableLatencySchedHeuristic,
                                     FeatureFuseAddress,
+                                    FeatureFuseAdrpAdd,
                                     FeatureFuseAES,
                                     FeatureFuseArithmeticLogic,
                                     FeatureFuseCCSelect,

``````````

</details>


https://github.com/llvm/llvm-project/pull/81325