// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4
// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sve2 -target-feature +sve2p1 -O2 -Werror -Wall -emit-llvm -o - %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s
// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sve2 -target-feature +sve2p1 -O2 -Werror -Wall -emit-llvm -o - -x c++ %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
// RUN: %clang_cc1 -triple aarch64 -target-feature +sme -target-feature +sme2 -O2 -Werror -Wall -emit-llvm -o - %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s
// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -target-feature +sme -target-feature +sme2 -O2 -Werror -Wall -emit-llvm -o - %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s
// RUN: %clang_cc1 -triple aarch64 -target-feature +sme -target-feature +sve -target-feature +sve2 -target-feature +sve2p1 -O2 -Werror -Wall -emit-llvm -o - %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s
// RUN: %clang_cc1 -triple aarch64 -target-feature +sme -target-feature +sme2 -O2 -Werror -Wall -emit-llvm -o - -x c++ %s | opt -S -passes=mem2reg,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
// RUN: %clang_cc1 -triple aarch64 -target-feature +sme -target-feature +sme2 -S -disable-O0-optnone -Werror -Wall -o /dev/null %s

// REQUIRES: aarch64-registered-target

#include <arm_sve.h>

#if defined(__ARM_FEATURE_SME) && defined(__ARM_FEATURE_SVE)
#define MODE_ATTR __arm_streaming_compatible
#elif defined(__ARM_FEATURE_SME)
#define MODE_ATTR __arm_streaming
#else
#define MODE_ATTR
#endif

// CHECK-LABEL: define dso_local { <vscale x 16 x i1>, <vscale x 16 x i1> } @test_svundef2_b(
// CHECK-SAME: ) local_unnamed_addr #[[ATTR0:[0-9]+]] {
// CHECK-NEXT:  entry:
// CHECK-NEXT:    ret { <vscale x 16 x i1>, <vscale x 16 x i1> } undef
//
// CPP-CHECK-LABEL: define dso_local { <vscale x 16 x i1>, <vscale x 16 x i1> } @_Z15test_svundef2_bv(
// CPP-CHECK-SAME: ) local_unnamed_addr #[[ATTR0:[0-9]+]] {
// CPP-CHECK-NEXT:  entry:
// CPP-CHECK-NEXT:    ret { <vscale x 16 x i1>, <vscale x 16 x i1> } undef
//
svboolx2_t test_svundef2_b(void) MODE_ATTR {
    return svundef2_b();
}

// CHECK-LABEL: define dso_local { <vscale x 16 x i1>, <vscale x 16 x i1>, <vscale x 16 x i1>, <vscale x 16 x i1> } @test_svundef4_b(
// CHECK-SAME: ) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT:  entry:
// CHECK-NEXT:    ret { <vscale x 16 x i1>, <vscale x 16 x i1>, <vscale x 16 x i1>, <vscale x 16 x i1> } undef
//
// CPP-CHECK-LABEL: define dso_local { <vscale x 16 x i1>, <vscale x 16 x i1>, <vscale x 16 x i1>, <vscale x 16 x i1> } @_Z15test_svundef4_bv(
// CPP-CHECK-SAME: ) local_unnamed_addr #[[ATTR0]] {
// CPP-CHECK-NEXT:  entry:
// CPP-CHECK-NEXT:    ret { <vscale x 16 x i1>, <vscale x 16 x i1>, <vscale x 16 x i1>, <vscale x 16 x i1> } undef
//
svboolx4_t test_svundef4_b(void) MODE_ATTR {
    return svundef4_b();
}