[clang] [CIR][AArch64] Upstream store (vst[234]_*/vst[234]q_*) NEON builtins (PR #212040)

[Jiahao Guo via cfe-commits]

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@@ -1484,3 +1484,2343 @@ void test_vst1q_u8_x4(uint8_t *a, uint8x16x4_t b) {
 // LLVM: ret void
   vst1q_u8_x4(a, b);
 }
+
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E00N777 wrote:

 I noticed that a few test cases were migrated here from poly64.c, but the -ffp-contract=fast and -flax-vector-conversions=none flags from its RUN line were dropped. I think we should probably keep -flax-vector-conversions=none at least ?

https://github.com/llvm/llvm-project/pull/212040