[llvm] [X86] Reuse AND flags for redundant TEST with known SF (PR #202918)

[Phoebe Wang via llvm-commits]

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@@ -0,0 +1,34 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
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phoebewang wrote:

Add a new RUN with `-mattr=ndd` to check NDD case if possible.

https://github.com/llvm/llvm-project/pull/202918