[llvm] [PowerPC] fix legalization crash (PR #105563)

[Amy Kwan via llvm-commits]

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@@ -0,0 +1,60 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -verify-machineinstrs < %s | FileCheck %s
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amy-kwan wrote:

Can we also add `-ppc-asm-full-reg-names -ppc-vsr-nums-as-vr` to the RUN line?

https://github.com/llvm/llvm-project/pull/105563