[clang] [clang][clangir] add vpaddl and vpaddlq support (PR #191845)

[Andrzej Warzyński via cfe-commits]

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@@ -0,0 +1,155 @@
+// REQUIRES: aarch64-registered-target || arm-registered-target
+
+// RUN:                   %clang_cc1 -triple arm64-none-linux-gnu -target-feature +neon -disable-O0-optnone -flax-vector-conversions=none           -emit-llvm -o - %s | opt -S -passes=mem2reg,sroa | FileCheck %s --check-prefixes=LLVM
+// RUN: %if cir-enabled %{%clang_cc1 -triple arm64-none-linux-gnu -target-feature +neon -disable-O0-optnone -flax-vector-conversions=none -fclangir -emit-llvm -o - %s | opt -S -passes=mem2reg,sroa | FileCheck %s --check-prefixes=LLVM %}
+// RUN: %if cir-enabled %{%clang_cc1 -triple arm64-none-linux-gnu -target-feature +neon -disable-O0-optnone -flax-vector-conversions=none -fclangir -emit-cir  -o - %s |                               FileCheck %s --check-prefixes=CIR %}
+
+#include <arm_neon.h>
+
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banach-space wrote:

[nit] Add a block comment like e.g. here: https://github.com/llvm/llvm-project/blob/7b4c9bb2069536e0df18597795b858e18a1cbaaf/clang/test/CodeGen/AArch64/neon/intrinsics.c?plain=1#L38-L40

https://github.com/llvm/llvm-project/pull/191845