[clang] [llvm] [X86][APX] Return CopyMI when added in foldMemoryOperandImpl (PR #191368)

[Phoebe Wang via cfe-commits]

================
@@ -0,0 +1,65 @@
+; REQUIRES: x86-registered-target
+; RUN: %clang -O1 -mapx-features=ndd --target=x86_64-pc-windows-gnu -S %s -mllvm -verify-machineinstrs -o /dev/null
----------------
phoebewang wrote:

I tried to create one but failed too. I also tried to create a MIR test but not successed either. @Andarwinux Are you using clang when reducing the code? Would you try to reduce it with llc? I removed it for now.

https://github.com/llvm/llvm-project/pull/191368