[clang] [llvm] [AArch64][SelectionDAG] Add CodeGen support for scalar FEAT_CPA (PR #105669)

[Rodolfo Wottrich via cfe-commits]

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@@ -0,0 +1,451 @@
+; RUN: llc -mtriple=aarch64 -verify-machineinstrs --mattr=+cpa -O0 -global-isel=0 -fast-isel=0 %s -o - 2>&1 | FileCheck %s --check-prefixes=CHECK-CPA-O0
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rgwott wrote:

I have put codegen behind -mcpa-codegen. Let me know if you prefer some other flag name.

https://github.com/llvm/llvm-project/pull/105669