[PATCH] D127209: [SVE][AArch64] Refine hasSVEArgsOrReturn

[Matt Devereau via Phabricator via llvm-commits]

MattDevereau added inline comments.


================
Comment at: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:6196
+      CallConv = CallingConv::AArch64_SVE_VectorCall;
+      FuncInfo->setIsSVECC(true);
+    }
----------------
efriedma wrote:
> I don't understand what you're doing here; FuncInfo describes the caller, not the callee.
Not doing this causes `sve_caller_sve_callee` and `sve_caller_sve_callee_fastcc` in `sve-tailcall.ll` to fail.
>From `ISD::InputArg`:

```
  /// InputArg - This struct carries flags and type information about a
  /// single incoming (formal) argument or incoming (from the perspective
  /// of the caller) return value virtual register.
  ///
```


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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D127209/new/

https://reviews.llvm.org/D127209