// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
// RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %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

svuint8_t test_svhistseg_s8(svint8_t op1, svint8_t op2)
{
  // CHECK-LABEL: test_svhistseg_s8
  // CHECK: %[[INTRINSIC:.*]] = call <vscale x 16 x i8> @llvm.aarch64.sve.histseg.nxv16i8(<vscale x 16 x i8> %op1, <vscale x 16 x i8> %op2)
  // CHECK: ret <vscale x 16 x i8> %[[INTRINSIC]]
  // overload-warning@+2 {{implicit declaration of function 'svhistseg'}}
  // expected-warning@+1 {{implicit declaration of function 'svhistseg_s8'}}
  return SVE_ACLE_FUNC(svhistseg,_s8,,)(op1, op2);
}

svuint8_t test_svhistseg_u8(svuint8_t op1, svuint8_t op2)
{
  // CHECK-LABEL: test_svhistseg_u8
  // CHECK: %[[INTRINSIC:.*]] = call <vscale x 16 x i8> @llvm.aarch64.sve.histseg.nxv16i8(<vscale x 16 x i8> %op1, <vscale x 16 x i8> %op2)
  // CHECK: ret <vscale x 16 x i8> %[[INTRINSIC]]
  // overload-warning@+2 {{implicit declaration of function 'svhistseg'}}
  // expected-warning@+1 {{implicit declaration of function 'svhistseg_u8'}}
  return SVE_ACLE_FUNC(svhistseg,_u8,,)(op1, op2);
}