[clang] [CIR][AArch64] Upstream store (vst1_*/vst1q_*) NEON builtins (PR #209347)

[Andrzej Warzyński via cfe-commits]

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@@ -0,0 +1,1636 @@
+// REQUIRES: aarch64-registered-target || arm-registered-target
+
+// RUN:                   %clang_cc1_cg_arm64_neon           -emit-llvm %s -disable-O0-optnone | opt -S -passes=mem2reg,sroa,instcombine | FileCheck %s --check-prefix=LLVM
+// RUN: %if cir-enabled %{%clang_cc1_cg_arm64_neon -fclangir -emit-llvm %s -disable-O0-optnone | opt -S -passes=mem2reg,sroa,instcombine,simplifycfg | FileCheck %s --check-prefix=LLVM %}
+// RUN: %if cir-enabled %{%clang_cc1_cg_arm64_neon -fclangir -emit-cir  %s -disable-O0-optnone |                               FileCheck %s --check-prefix=CIR %}
+
+#include <arm_neon.h>
+
+//===------------------------------------------------------===//
+// 2.14.3. Store
----------------
banach-space wrote:

```suggestion
// 2.1.11. Store
```

https://github.com/llvm/llvm-project/pull/209347