[llvm] [X86] Prevent APX NDD compression when it creates a partial write (PR #132051)

[Phoebe Wang via llvm-commits]

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@@ -0,0 +1,92 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+# RUN: llc %s -mtriple=x86_64-unknown -mattr=+ndd,+egpr -run-pass=break-false-deps -o - | FileCheck --check-prefixes=MIR,RCDEFAULT %s
+# RUN: llc %s -mtriple=x86_64-unknown -mattr=+ndd,+egpr -run-pass=break-false-deps -partial-reg-update-clearance=1 -o - | FileCheck --check-prefixes=MIR,RC1 %s
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phoebewang wrote:

ditto.

https://github.com/llvm/llvm-project/pull/132051