[llvm] [AArch64][SME] Fix inlining bug introduced in #78703 (PR #79994)

[Kerry McLaughlin via llvm-commits]

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@@ -2,70 +2,71 @@
 ; RUN: opt < %s -mtriple=aarch64-unknown-linux-gnu -mattr=+sme -S -passes=inline | FileCheck %s
 
 declare void @inlined_body() "aarch64_pstate_sm_compatible";
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kmclaughlin-arm wrote:

Can `inlined_body()` be removed now?

https://github.com/llvm/llvm-project/pull/79994