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

[Matt Arsenault via llvm-commits]

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


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@@ -0,0 +1,26 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=arm64-apple-macosx -global-isel -run-pass=aarch64-postlegalizer-combiner %s -o - | FileCheck %s
+---
+name:            _0
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arsenm wrote:

Use something normal as the function name? 

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