test/CodeGen/RISCV/attr-rvv-vector-bits-bitcast-less-8.c

// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6
// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=2 -mvscale-max=2 -O1 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-128

// REQUIRES: riscv-registered-target

#include <stdint.h>

typedef __rvv_int8m1_t vint8m1_t;
typedef __rvv_uint8m1_t vuint8m1_t;
typedef __rvv_int16m1_t vint16m1_t;
typedef __rvv_uint16m1_t vuint16m1_t;
typedef __rvv_int32m1_t vint32m1_t;
typedef __rvv_uint32m1_t vuint32m1_t;
typedef __rvv_int64m1_t vint64m1_t;
typedef __rvv_uint64m1_t vuint64m1_t;
typedef __rvv_float32m1_t vfloat32m1_t;
typedef __rvv_float64m1_t vfloat64m1_t;

typedef __rvv_bool1_t vbool1_t;
typedef __rvv_bool2_t vbool2_t;
typedef __rvv_bool4_t vbool4_t;
typedef __rvv_bool8_t vbool8_t;
typedef __rvv_bool16_t vbool16_t;
typedef __rvv_bool32_t vbool32_t;
typedef __rvv_bool64_t vbool64_t;

typedef vint64m1_t fixed_int64m1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)));
typedef vfloat64m1_t fixed_float64m1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)));
typedef vbool1_t fixed_bool1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)));
typedef vbool2_t fixed_bool2_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 2)));
typedef vbool4_t fixed_bool4_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 4)));
typedef vbool8_t fixed_bool8_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 8)));
typedef vbool16_t fixed_bool16_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 16)));
typedef vbool32_t fixed_bool32_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 32)));
typedef vbool64_t fixed_bool64_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 64)));

#define DEFINE_STRUCT(ty)   \
  struct struct_##ty {      \
    fixed_##ty##_t x, y[3]; \
  } struct_##ty;

DEFINE_STRUCT(int64m1)
DEFINE_STRUCT(float64m1)
DEFINE_STRUCT(bool1)
DEFINE_STRUCT(bool2)
DEFINE_STRUCT(bool4)
DEFINE_STRUCT(bool8)
DEFINE_STRUCT(bool16)
DEFINE_STRUCT(bool32)
DEFINE_STRUCT(bool64)

//===----------------------------------------------------------------------===//
// bool
//===----------------------------------------------------------------------===//

// CHECK-128-LABEL: define dso_local <vscale x 2 x i1> @read_bool32(
// CHECK-128-SAME: ptr noundef readonly captures(none) [[S:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
// CHECK-128-NEXT:  [[ENTRY:.*:]]
// CHECK-128-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S]], i64 1
// CHECK-128-NEXT:    [[TMP0:%.*]] = load <1 x i8>, ptr [[Y]], align 1, !tbaa [[CHAR_TBAA6:![0-9]+]]
// CHECK-128-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x i8> @llvm.vector.insert.nxv1i8.v1i8(<vscale x 1 x i8> poison, <1 x i8> [[TMP0]], i64 0)
// CHECK-128-NEXT:    [[TMP1:%.*]] = bitcast <vscale x 1 x i8> [[CAST_SCALABLE]] to <vscale x 8 x i1>
// CHECK-128-NEXT:    [[TMP2:%.*]] = tail call <vscale x 2 x i1> @llvm.vector.extract.nxv2i1.nxv8i1(<vscale x 8 x i1> [[TMP1]], i64 0)
// CHECK-128-NEXT:    ret <vscale x 2 x i1> [[TMP2]]
//
vbool32_t read_bool32(struct struct_bool32 *s) {
  return s->y[0];
}

// CHECK-128-LABEL: define dso_local void @write_bool32(
// CHECK-128-SAME: ptr noundef writeonly captures(none) initializes((1, 2)) [[S:%.*]], <vscale x 2 x i1> [[X:%.*]]) local_unnamed_addr #[[ATTR2:[0-9]+]] {
// CHECK-128-NEXT:  [[ENTRY:.*:]]
// CHECK-128-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x i1> @llvm.vector.insert.nxv8i1.nxv2i1(<vscale x 8 x i1> zeroinitializer, <vscale x 2 x i1> [[X]], i64 0)
// CHECK-128-NEXT:    [[TMP1:%.*]] = bitcast <vscale x 8 x i1> [[TMP0]] to <vscale x 1 x i8>
// CHECK-128-NEXT:    [[CAST_FIXED:%.*]] = tail call <1 x i8> @llvm.vector.extract.v1i8.nxv1i8(<vscale x 1 x i8> [[TMP1]], i64 0)
// CHECK-128-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S]], i64 1
// CHECK-128-NEXT:    store <1 x i8> [[CAST_FIXED]], ptr [[Y]], align 1, !tbaa [[CHAR_TBAA6]]
// CHECK-128-NEXT:    ret void
//
void write_bool32(struct struct_bool32 *s, vbool32_t x) {
  s->y[0] = x;
}

// CHECK-128-LABEL: define dso_local <vscale x 1 x i1> @read_bool64(
// CHECK-128-SAME: ptr noundef readonly captures(none) [[S:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-128-NEXT:  [[ENTRY:.*:]]
// CHECK-128-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S]], i64 1
// CHECK-128-NEXT:    [[TMP0:%.*]] = load <1 x i8>, ptr [[Y]], align 1, !tbaa [[CHAR_TBAA6]]
// CHECK-128-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x i8> @llvm.vector.insert.nxv1i8.v1i8(<vscale x 1 x i8> poison, <1 x i8> [[TMP0]], i64 0)
// CHECK-128-NEXT:    [[TMP1:%.*]] = bitcast <vscale x 1 x i8> [[CAST_SCALABLE]] to <vscale x 8 x i1>
// CHECK-128-NEXT:    [[TMP2:%.*]] = tail call <vscale x 1 x i1> @llvm.vector.extract.nxv1i1.nxv8i1(<vscale x 8 x i1> [[TMP1]], i64 0)
// CHECK-128-NEXT:    ret <vscale x 1 x i1> [[TMP2]]
//
vbool64_t read_bool64(struct struct_bool64 *s) {
  return s->y[0];
}

// CHECK-128-LABEL: define dso_local void @write_bool64(
// CHECK-128-SAME: ptr noundef writeonly captures(none) initializes((1, 2)) [[S:%.*]], <vscale x 1 x i1> [[X:%.*]]) local_unnamed_addr #[[ATTR2]] {
// CHECK-128-NEXT:  [[ENTRY:.*:]]
// CHECK-128-NEXT:    [[TMP0:%.*]] = tail call <vscale x 8 x i1> @llvm.vector.insert.nxv8i1.nxv1i1(<vscale x 8 x i1> zeroinitializer, <vscale x 1 x i1> [[X]], i64 0)
// CHECK-128-NEXT:    [[TMP1:%.*]] = bitcast <vscale x 8 x i1> [[TMP0]] to <vscale x 1 x i8>
// CHECK-128-NEXT:    [[CAST_FIXED:%.*]] = tail call <1 x i8> @llvm.vector.extract.v1i8.nxv1i8(<vscale x 1 x i8> [[TMP1]], i64 0)
// CHECK-128-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S]], i64 1
// CHECK-128-NEXT:    store <1 x i8> [[CAST_FIXED]], ptr [[Y]], align 1, !tbaa [[CHAR_TBAA6]]
// CHECK-128-NEXT:    ret void
//
void write_bool64(struct struct_bool64 *s, vbool64_t x) {
  s->y[0] = x;
}
//.
// CHECK-128: [[CHAR_TBAA6]] = !{[[META7:![0-9]+]], [[META7]], i64 0}
// CHECK-128: [[META7]] = !{!"omnipotent char", [[META8:![0-9]+]], i64 0}
// CHECK-128: [[META8]] = !{!"Simple C/C++ TBAA"}
//.