[PATCH] D148123: [AArch64][CostModel] Make sext/zext free if folded into a masked load

[David Sherwood via Phabricator via llvm-commits]

david-arm marked 2 inline comments as done.
david-arm added inline comments.


================
Comment at: llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp:1833-1834
+        ((Opcode == Instruction::ZExt) ? ISD::ZEXTLOAD : ISD::SEXTLOAD);
+    if (TLI->isLoadExtLegal(LType, DstTy, SrcTy))
+      return 0;
+  }
----------------
sdesmalen wrote:
> When the target has SVE and the CCH is masked, is it worth just calling `getCastInstrCost` again but instead passing `CastContextHint::Normal` ?
Good suggestion, thanks @sdesmalen !


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D148123/new/

https://reviews.llvm.org/D148123