[llvm] [GlobalISel] Don't push `freeze`s post-legalizer when that creates illegal instruction (PR #204785)

[Matt Arsenault via llvm-commits]

=?utf-8?q?Ömer_Sinan_Ağacan?= <omeragacan at gmail.com>,
=?utf-8?q?Ömer_Sinan_Ağacan?= <omeragacan at gmail.com>,
=?utf-8?q?Ömer_Sinan_Ağacan?= <omeragacan at gmail.com>,
=?utf-8?q?Ömer_Sinan_Ağacan?= <omeragacan at gmail.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/204785 at github.com>


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@@ -0,0 +1,63 @@
+# NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+# RUN: llc -mtriple=arm64-apple-macosx -global-isel -start-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s
----------------
arsenm wrote:

```suggestion
# RUN: llc -mtriple=arm64-apple-macosx -start-after=irtranslator %s -o - | FileCheck %s
```

Use the exact run-pass. Or preferably, IR tesT?

https://github.com/llvm/llvm-project/pull/204785