[llvm] [clang] [SVE2.1][Clang][LLVM]Add 128bits builtin in Clang and LLVM intrinisc (PR #71930)

[Momchil Velikov via llvm-commits]

================
@@ -0,0 +1,217 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 2
+// REQUIRES: aarch64-registered-target
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2p1\
+// RUN:   -S -Werror -emit-llvm -disable-O0-optnone -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2p1\
+// RUN:   -S -Werror -emit-llvm -disable-O0-optnone -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2p1\
+// RUN:   -S -Werror -emit-llvm -disable-O0-optnone -o - -x c++ %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2p1\
+// RUN:   -S -Werror -emit-llvm -disable-O0-optnone -o - -x c++ %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2p1\
+// RUN:   -S -disable-O0-optnone -Werror -Wall -o /dev/null %s
+
+#include <arm_sve.h>
+
+#ifdef SVE_OVERLOADED_FORMS
+// A simple used,unused... macro, long enough to represent any SVE builtin.
+#define SVE_ACLE_FUNC(A1, A2_UNUSED, A3, A4_UNUSED) A1##A3
+#else
+#define SVE_ACLE_FUNC(A1, A2, A3, A4) A1##A2##A3##A4
+#endif
+
+// CHECK-LABEL: define dso_local <vscale x 16 x i8> @test_svuzpq1_u8
+// CHECK-SAME: (<vscale x 16 x i8> [[ZN:%.*]], <vscale x 16 x i8> [[ZM:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 16 x i8> @llvm.aarch64.sve.uzpq1.nxv16i8(<vscale x 16 x i8> [[ZN]], <vscale x 16 x i8> [[ZM]])
+// CHECK-NEXT:    ret <vscale x 16 x i8> [[TMP0]]
+//
+// CPP-CHECK-LABEL: define dso_local <vscale x 16 x i8> @_Z15test_svuzpq1_u8u11__SVUint8_tu11__SVUint8_t
+// CPP-CHECK-SAME: (<vscale x 16 x i8> [[ZN:%.*]], <vscale x 16 x i8> [[ZM:%.*]]) #[[ATTR0:[0-9]+]] {
+// CPP-CHECK-NEXT:  entry:
+// CPP-CHECK-NEXT:    [[TMP0:%.*]] = tail call <vscale x 16 x i8> @llvm.aarch64.sve.uzpq1.nxv16i8(<vscale x 16 x i8> [[ZN]], <vscale x 16 x i8> [[ZM]])
+// CPP-CHECK-NEXT:    ret <vscale x 16 x i8> [[TMP0]]
+//
+svuint8_t test_svuzpq1_u8(svuint8_t zn, svuint8_t zm) {
+    return svuzpq1_u8(zn, zm);
----------------
momchil-velikov wrote:

The short variants are not tested, i.e. needs `SVE_ACLE_FUNC(svuzpq1,_u8,,)`

https://github.com/llvm/llvm-project/pull/71930