[llvm] [SelectionDAG] Faster generic expansion of llvm.pext and llvm.pdep (PR #227292)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,185 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc < %s -mtriple=aarch64 -mcpu=apple-m1 | FileCheck %s
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arsenm wrote:

if you use a macOS triple won't that set the default cpu appropriately

https://github.com/llvm/llvm-project/pull/227292