[clang] [llvm] [AArch64][NEON] NEON intrinsic compilation error with -fno-lax-vector-conversion flag fix (PR #149329)

[Amina Chabane via llvm-commits]

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@@ -0,0 +1,51 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
+
+; This test verifies that NEON intrinsics using polynomial types (poly8/16/64) emit correct AArch64 instructions
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Amichaxx wrote:

I've added a new c test that addresses every intrinsic in the issue, except for vdupbh_lane_p16. I couldn't find it mentioned in arm_neon.h or the [arm developer docs](https://developer.arm.com/architectures/instruction-sets/intrinsics/#q=vdupbh_lane_p16).

https://github.com/llvm/llvm-project/pull/149329