[llvm] [PowerPC] option `-msoft-float` should not block the PC-relative address instruction (PR #92543)

[Amy Kwan via llvm-commits]

================
@@ -0,0 +1,15 @@
+; RUN: llc -o - %s| FileCheck %s
----------------
amy-kwan wrote:

nit: It would be good to add `ppc-asm-full-reg-names` to the RUN line.

https://github.com/llvm/llvm-project/pull/92543