[llvm] [AArch64] Skip storing of stack arguments when lowering tail calls (PR #126735)

[Jon Roelofs via llvm-commits]

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@@ -9328,10 +9328,25 @@ AArch64TargetLowering::LowerCall(CallLoweringInfo &CLI,
       }
       unsigned LocMemOffset = VA.getLocMemOffset();
       int32_t Offset = LocMemOffset + BEAlign;
-      SDValue PtrOff = DAG.getIntPtrConstant(Offset, DL);
-      PtrOff = DAG.getNode(ISD::ADD, DL, PtrVT, StackPtr, PtrOff);
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jroelofs wrote:

Was this dead code?

https://github.com/llvm/llvm-project/pull/126735