[llvm] [AArch64][Codegen]Transform saturating smull to sqdmulh (PR #143671)

[Nashe Mncube via llvm-commits]

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@@ -0,0 +1,45 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=aarch64-none-elf < %s | FileCheck %s
+define void @arm_mult_q31(ptr %0, ptr %1, ptr %2){
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nasherm wrote:

Done

https://github.com/llvm/llvm-project/pull/143671