test/CodeGen/attr-arm-sve-vector-bits-cast.c

// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6
// RUN: %clang_cc1 -triple aarch64 -target-feature +sve -mvscale-min=4 -mvscale-max=4 -O1 -emit-llvm -o - %s | FileCheck %s

// REQUIRES: aarch64-registered-target

#include <arm_sve.h>

#define N __ARM_FEATURE_SVE_BITS

typedef svint32_t fixed_int32_t __attribute__((arm_sve_vector_bits(N)));
typedef svfloat64_t fixed_float64_t __attribute__((arm_sve_vector_bits(N)));
typedef svbool_t fixed_bool_t __attribute__((arm_sve_vector_bits(N)));
typedef int32_t gnu_int32_t __attribute__((vector_size(N / 8)));

// CHECK-LABEL: define dso_local noundef <vscale x 4 x i32> @to_svint32_t(
// CHECK-SAME: <vscale x 4 x i32> noundef returned [[TYPE_COERCE:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    ret <vscale x 4 x i32> [[TYPE_COERCE]]
//
svint32_t to_svint32_t(fixed_int32_t type) {
  return type;
}

// CHECK-LABEL: define dso_local <vscale x 4 x i32> @from_svint32_t(
// CHECK-SAME: <vscale x 4 x i32> returned [[TYPE:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    ret <vscale x 4 x i32> [[TYPE]]
//
fixed_int32_t from_svint32_t(svint32_t type) {
  return type;
}

// CHECK-LABEL: define dso_local noundef <vscale x 2 x double> @to_svfloat64_t(
// CHECK-SAME: <vscale x 2 x double> noundef returned [[TYPE_COERCE:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    ret <vscale x 2 x double> [[TYPE_COERCE]]
//
svfloat64_t to_svfloat64_t(fixed_float64_t type) {
  return type;
}

// CHECK-LABEL: define dso_local <vscale x 2 x double> @from_svfloat64_t(
// CHECK-SAME: <vscale x 2 x double> returned [[TYPE:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    ret <vscale x 2 x double> [[TYPE]]
//
fixed_float64_t from_svfloat64_t(svfloat64_t type) {
  return type;
}

// CHECK-LABEL: define dso_local noundef <vscale x 16 x i1> @to_svbool_t(
// CHECK-SAME: <vscale x 16 x i1> noundef returned [[TMP0:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    ret <vscale x 16 x i1> [[TMP0]]
//
svbool_t to_svbool_t(fixed_bool_t type) {
  return type;
}

// CHECK-LABEL: define dso_local <vscale x 16 x i1> @from_svbool_t(
// CHECK-SAME: <vscale x 16 x i1> returned [[TYPE:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    ret <vscale x 16 x i1> [[TYPE]]
//
fixed_bool_t from_svbool_t(svbool_t type) {
  return type;
}

// CHECK-LABEL: define dso_local noundef <vscale x 2 x i64> @lax_cast(
// CHECK-SAME: <vscale x 4 x i32> noundef [[TYPE_COERCE:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[TMP0:%.*]] = bitcast <vscale x 4 x i32> [[TYPE_COERCE]] to <vscale x 2 x i64>
// CHECK-NEXT:    ret <vscale x 2 x i64> [[TMP0]]
//
svint64_t lax_cast(fixed_int32_t type) {
  return type;
}

// CHECK-LABEL: define dso_local <vscale x 4 x i32> @to_svint32_t__from_gnu_int32_t(
// CHECK-SAME: ptr dead_on_return noundef readonly captures(none) [[TMP0:%.*]]) local_unnamed_addr #[[ATTR2:[0-9]+]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[TYPE:%.*]] = load <16 x i32>, ptr [[TMP0]], align 16, !tbaa [[CHAR_TBAA2:![0-9]+]]
// CHECK-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.insert.nxv4i32.v16i32(<vscale x 4 x i32> poison, <16 x i32> [[TYPE]], i64 0)
// CHECK-NEXT:    ret <vscale x 4 x i32> [[CAST_SCALABLE]]
//
svint32_t to_svint32_t__from_gnu_int32_t(gnu_int32_t type) {
  return type;
}

// CHECK-LABEL: define dso_local void @from_svint32_t__to_gnu_int32_t(
// CHECK-SAME: ptr dead_on_unwind noalias writable writeonly sret(<16 x i32>) align 16 captures(none) initializes((0, 64)) [[AGG_RESULT:%.*]], <vscale x 4 x i32> [[TYPE:%.*]]) local_unnamed_addr #[[ATTR3:[0-9]+]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[CAST_FIXED:%.*]] = tail call <16 x i32> @llvm.vector.extract.v16i32.nxv4i32(<vscale x 4 x i32> [[TYPE]], i64 0)
// CHECK-NEXT:    store <16 x i32> [[CAST_FIXED]], ptr [[AGG_RESULT]], align 16, !tbaa [[CHAR_TBAA2]]
// CHECK-NEXT:    ret void
//
gnu_int32_t from_svint32_t__to_gnu_int32_t(svint32_t type) {
  return type;
}

// CHECK-LABEL: define dso_local <vscale x 4 x i32> @to_fixed_int32_t__from_gnu_int32_t(
// CHECK-SAME: ptr dead_on_return noundef readonly captures(none) [[TMP0:%.*]]) local_unnamed_addr #[[ATTR2]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[TYPE:%.*]] = load <16 x i32>, ptr [[TMP0]], align 16, !tbaa [[CHAR_TBAA2]]
// CHECK-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.insert.nxv4i32.v16i32(<vscale x 4 x i32> poison, <16 x i32> [[TYPE]], i64 0)
// CHECK-NEXT:    ret <vscale x 4 x i32> [[CAST_SCALABLE]]
//
fixed_int32_t to_fixed_int32_t__from_gnu_int32_t(gnu_int32_t type) {
  return type;
}

// CHECK-LABEL: define dso_local void @from_fixed_int32_t__to_gnu_int32_t(
// CHECK-SAME: ptr dead_on_unwind noalias writable writeonly sret(<16 x i32>) align 16 captures(none) initializes((0, 64)) [[AGG_RESULT:%.*]], <vscale x 4 x i32> noundef [[TYPE_COERCE:%.*]]) local_unnamed_addr #[[ATTR3]] {
// CHECK-NEXT:  [[ENTRY:.*:]]
// CHECK-NEXT:    [[TYPE:%.*]] = tail call <16 x i32> @llvm.vector.extract.v16i32.nxv4i32(<vscale x 4 x i32> [[TYPE_COERCE]], i64 0)
// CHECK-NEXT:    store <16 x i32> [[TYPE]], ptr [[AGG_RESULT]], align 16, !tbaa [[CHAR_TBAA2]]
// CHECK-NEXT:    ret void
//
gnu_int32_t from_fixed_int32_t__to_gnu_int32_t(fixed_int32_t type) {
  return type;
}
//.
// CHECK: [[CHAR_TBAA2]] = !{[[META3:![0-9]+]], [[META3]], i64 0}
// CHECK: [[META3]] = !{!"omnipotent char", [[META4:![0-9]+]], i64 0}
// CHECK: [[META4]] = !{!"Simple C/C++ TBAA"}
//.