[llvm] [X86] Fix expand-fp on optnone functions (PR #156900)

[Frederik Harwath via llvm-commits]

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@@ -0,0 +1,98 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=x86_64-- --expand-fp < %s | FileCheck %s
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frederik-h wrote:

> Could also just exclusively use the new PM run line

With the new PM, the `sitofp` does not get expanded even without the changes of #130988. I assume this is expected with the `optnone` attribute, but I am not really sure. Should this become the test's expectation for the new PM run?

https://github.com/llvm/llvm-project/pull/156900