[PATCH] D128045: [AArch64][SVE] Match (add x (lsr/asr y c)) -> usra/ssra x y c

[Paul Walker via Phabricator via llvm-commits]

paulwalker-arm added inline comments.


================
Comment at: llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td:3216-3236
+let Predicates = [HasSVE2orSME] in {
+  multiclass sraPat<ValueType Ty, ValueType PredTy, ValueType ShiftTy,
+                    ComplexPattern cast, SDPatternOperator shift,
+                    Instruction DestAdrIns> {
+    def : Pat<(add Ty:$Op1,
+                  (Ty (shift (PredTy (SVEAllActive)),
+                                    Ty:$Op2,
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Rather than adding new patterns can you create a `PatFrags` instead? See `AArch64saba` for what I mean.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128045/new/

https://reviews.llvm.org/D128045