[llvm] [Mips] Optimize `or (and $src1, mask0), (shl $src2, mask1)` to `ins` (PR #103017)

[via llvm-commits]

================
@@ -0,0 +1,39 @@
+; RUN: llc -O3 -mcpu=mips64r2 -mtriple=mips64el-unknown-linux-gnuabi64 < %s -o - | FileCheck %s
----------------
yingopq wrote:

OK, I would update the test.

https://github.com/llvm/llvm-project/pull/103017