[llvm] [CodeGen] Add widening support for ISD::CTTZ_ELTS (PR #205841)

[Chandana Mudda via llvm-commits]

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@@ -0,0 +1,56 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
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chandmudda wrote:

Thank You for your review. Switched the Hexagon test to update_llc_test_checks.py with --filter, so the checks are auto-generated but scoped to the result values and widening signature, avoiding the scheduling noise.

https://github.com/llvm/llvm-project/pull/205841