[llvm] 3f82109 - [AArch64] Add FeatureFuseAdrpAdd for NeoverseV2

[David Green via llvm-commits]

Author: David Green
Date: 2023-08-14T17:21:25+01:00
New Revision: 3f8210921ea5976866131c36e2053521bfb2bcb7

URL: https://github.com/llvm/llvm-project/commit/3f8210921ea5976866131c36e2053521bfb2bcb7
DIFF: https://github.com/llvm/llvm-project/commit/3f8210921ea5976866131c36e2053521bfb2bcb7.diff

LOG: [AArch64] Add FeatureFuseAdrpAdd for NeoverseV2

As in all the other cpus from D134521, this adds FeatureFuseAdrpAdd to
NeoverseV2 to allow more linker relaxations.

Added: 
    

Modified: 
    llvm/lib/Target/AArch64/AArch64.td
    llvm/test/CodeGen/AArch64/misched-fusion-addadrp.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AArch64/AArch64.td b/llvm/lib/Target/AArch64/AArch64.td
index 8f50af4b71fd9a..6e327b83e4e639 100644
--- a/llvm/lib/Target/AArch64/AArch64.td
+++ b/llvm/lib/Target/AArch64/AArch64.td
@@ -1146,6 +1146,7 @@ def TuneNeoverseV1 : SubtargetFeature<"neoversev1", "ARMProcFamily", "NeoverseV1
 def TuneNeoverseV2 : SubtargetFeature<"neoversev2", "ARMProcFamily", "NeoverseV2",
                                       "Neoverse V2 ARM processors", [
                                       FeatureFuseAES,
+                                      FeatureFuseAdrpAdd,
                                       FeatureLSLFast,
                                       FeaturePostRAScheduler,
                                       FeatureEnableSelectOptimize,

diff  --git a/llvm/test/CodeGen/AArch64/misched-fusion-addadrp.ll b/llvm/test/CodeGen/AArch64/misched-fusion-addadrp.ll
index 1dc594ba878ea4..cddcd4653bc541 100644
--- a/llvm/test/CodeGen/AArch64/misched-fusion-addadrp.ll
+++ b/llvm/test/CodeGen/AArch64/misched-fusion-addadrp.ll
@@ -12,6 +12,7 @@
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=neoverse-n1     | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=neoverse-v1     | FileCheck %s
 ; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=neoverse-n2     | FileCheck %s
+; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=neoverse-v2     | FileCheck %s
 
 @g = common local_unnamed_addr global ptr null, align 8