[AArch64] apple-m4 & apple-a15 have ADRP+ADD fusion (#123504)

guy-david · web-flow · commit 295d1c361e7b · 2025-01-20T08:18:56.000+02:00
diff --git a/llvm/lib/Target/AArch64/AArch64Processors.td b/llvm/lib/Target/AArch64/AArch64Processors.td
@@ -363,6 +363,7 @@ def TuneAppleA15 : SubtargetFeature<"apple-a15", "ARMProcFamily", "AppleA15",
                                     FeatureArithmeticCbzFusion,
                                     FeatureDisableLatencySchedHeuristic,
                                     FeatureFuseAddress,
+                                    FeatureFuseAdrpAdd,
                                     FeatureFuseAES,
                                     FeatureFuseArithmeticLogic,
                                     FeatureFuseCCSelect,
@@ -413,6 +414,7 @@ def TuneAppleM4 : SubtargetFeature<"apple-m4", "ARMProcFamily", "AppleM4",
                                      FeatureArithmeticCbzFusion,
                                      FeatureDisableLatencySchedHeuristic,
                                      FeatureFuseAddress,
+                                     FeatureFuseAdrpAdd,
                                      FeatureFuseAES,
                                      FeatureFuseArithmeticLogic,
                                      FeatureFuseCCSelect,
