[llvm] [AArch64] Replace AND with LSL#2 for LDR target (#34101) (PR #89531)

[via llvm-commits]

ParkHanbum wrote:

I tested this with test-suite in m1 macbook and here is that results:

```
current main

Failed Tests (1):
  test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-alloca-1.test

```

```
This

Failed Tests (2):
  test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-alloca-1.test
  test-suite :: SingleSource/UnitTests/AArch64/aarch64-acle-fmv-features.test
```

what different result at test aarch64-acle-fmv-features.test between main and this. 

```
 22 bti
======main======
 23 simd
======this======
 23         FAIL
 24 simd
 25 fp
```



https://github.com/llvm/llvm-project/pull/89531