[llvm] [CodeGenPrepare] Reuse free wider zero extensions (PR #228750)

[Simon Pilgrim via llvm-commits]

=?utf-8?q?Dávid_Bolvanský?= <david.bolvansky at gmail.com>,
=?utf-8?q?Dávid_Bolvanský?= <david.bolvansky at gmail.com>,
=?utf-8?q?Dávid_Bolvanský?= <david.bolvansky at gmail.com>,
=?utf-8?q?Dávid_Bolvanský?= <david.bolvansky at gmail.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/228750 at github.com>


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@@ -0,0 +1,50 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=x86_64 -verify-machineinstrs < %s | FileCheck %s
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RKSimon wrote:

Drop -verify-machineinstrs - its not necessary for the test and slows down the test

https://github.com/llvm/llvm-project/pull/228750