test/CodeGen/attr-riscv-rvv-vector-bits-globals.c

// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=1 -mvscale-max=1 -S -O1 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-64
// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=4 -mvscale-max=4 -S -O1 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-256

// 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_bool4_t vbool4_t;
typedef __rvv_bool32_t vbool32_t;

typedef vint64m1_t fixed_int64m1_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 vbool4_t fixed_bool4_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen/4)));
#if __riscv_v_fixed_vlen >= 256
typedef vbool32_t fixed_bool32_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen/32)));
#endif

fixed_int64m1_t global_i64;

fixed_bool1_t global_bool1;
fixed_bool4_t global_bool4;
#if __riscv_v_fixed_vlen >= 256
fixed_bool32_t global_bool32;
#endif

//===----------------------------------------------------------------------===//
// WRITES
//===----------------------------------------------------------------------===//

// CHECK-64-LABEL: @write_global_i64(
// CHECK-64-NEXT:  entry:
// CHECK-64-NEXT:    [[CAST_FIXED:%.*]] = tail call <1 x i64> @llvm.vector.extract.v1i64.nxv1i64(<vscale x 1 x i64> [[V:%.*]], i64 0)
// CHECK-64-NEXT:    store <1 x i64> [[CAST_FIXED]], ptr @global_i64, align 8, !tbaa [[TBAA4:![0-9]+]]
// CHECK-64-NEXT:    ret void
//
// CHECK-256-LABEL: @write_global_i64(
// CHECK-256-NEXT:  entry:
// CHECK-256-NEXT:    [[CAST_FIXED:%.*]] = tail call <4 x i64> @llvm.vector.extract.v4i64.nxv1i64(<vscale x 1 x i64> [[V:%.*]], i64 0)
// CHECK-256-NEXT:    store <4 x i64> [[CAST_FIXED]], ptr @global_i64, align 8, !tbaa [[TBAA4:![0-9]+]]
// CHECK-256-NEXT:    ret void
//
void write_global_i64(vint64m1_t v) { global_i64 = v; }

// CHECK-64-LABEL: @write_global_bool1(
// CHECK-64-NEXT:  entry:
// CHECK-64-NEXT:    [[TMP0:%.*]] = bitcast <vscale x 64 x i1> [[V:%.*]] to <vscale x 8 x i8>
// CHECK-64-NEXT:    [[CAST_FIXED:%.*]] = tail call <8 x i8> @llvm.vector.extract.v8i8.nxv8i8(<vscale x 8 x i8> [[TMP0]], i64 0)
// CHECK-64-NEXT:    store <8 x i8> [[CAST_FIXED]], ptr @global_bool1, align 8, !tbaa [[TBAA4]]
// CHECK-64-NEXT:    ret void
//
// CHECK-256-LABEL: @write_global_bool1(
// CHECK-256-NEXT:  entry:
// CHECK-256-NEXT:    [[TMP0:%.*]] = bitcast <vscale x 64 x i1> [[V:%.*]] to <vscale x 8 x i8>
// CHECK-256-NEXT:    [[CAST_FIXED:%.*]] = tail call <32 x i8> @llvm.vector.extract.v32i8.nxv8i8(<vscale x 8 x i8> [[TMP0]], i64 0)
// CHECK-256-NEXT:    store <32 x i8> [[CAST_FIXED]], ptr @global_bool1, align 8, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    ret void
//
void write_global_bool1(vbool1_t v) { global_bool1 = v; }

// CHECK-64-LABEL: @write_global_bool4(
// CHECK-64-NEXT:  entry:
// CHECK-64-NEXT:    [[TMP0:%.*]] = bitcast <vscale x 16 x i1> [[V:%.*]] to <vscale x 2 x i8>
// CHECK-64-NEXT:    [[CAST_FIXED:%.*]] = tail call <2 x i8> @llvm.vector.extract.v2i8.nxv2i8(<vscale x 2 x i8> [[TMP0]], i64 0)
// CHECK-64-NEXT:    store <2 x i8> [[CAST_FIXED]], ptr @global_bool4, align 2, !tbaa [[TBAA4]]
// CHECK-64-NEXT:    ret void
//
// CHECK-256-LABEL: @write_global_bool4(
// CHECK-256-NEXT:  entry:
// CHECK-256-NEXT:    [[TMP0:%.*]] = bitcast <vscale x 16 x i1> [[V:%.*]] to <vscale x 2 x i8>
// CHECK-256-NEXT:    [[CAST_FIXED:%.*]] = tail call <8 x i8> @llvm.vector.extract.v8i8.nxv2i8(<vscale x 2 x i8> [[TMP0]], i64 0)
// CHECK-256-NEXT:    store <8 x i8> [[CAST_FIXED]], ptr @global_bool4, align 8, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    ret void
//
void write_global_bool4(vbool4_t v) { global_bool4 = v; }

#if __riscv_v_fixed_vlen >= 256
// CHECK-256-LABEL: @write_global_bool32(
// CHECK-256-NEXT:  entry:
// CHECK-256-NEXT:    [[SAVED_VALUE:%.*]] = alloca <vscale x 2 x i1>, align 1
// CHECK-256-NEXT:    store <vscale x 2 x i1> [[V:%.*]], ptr [[SAVED_VALUE]], align 1, !tbaa [[TBAA7:![0-9]+]]
// CHECK-256-NEXT:    [[TMP0:%.*]] = load <1 x i8>, ptr [[SAVED_VALUE]], align 1, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    store <1 x i8> [[TMP0]], ptr @global_bool32, align 1, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    ret void
//
void write_global_bool32(vbool32_t v) { global_bool32 = v; }
#endif

//===----------------------------------------------------------------------===//
// READS
//===----------------------------------------------------------------------===//

// CHECK-64-LABEL: @read_global_i64(
// CHECK-64-NEXT:  entry:
// CHECK-64-NEXT:    [[TMP0:%.*]] = load <1 x i64>, ptr @global_i64, align 8, !tbaa [[TBAA4]]
// CHECK-64-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x i64> @llvm.vector.insert.nxv1i64.v1i64(<vscale x 1 x i64> undef, <1 x i64> [[TMP0]], i64 0)
// CHECK-64-NEXT:    ret <vscale x 1 x i64> [[CAST_SCALABLE]]
//
// CHECK-256-LABEL: @read_global_i64(
// CHECK-256-NEXT:  entry:
// CHECK-256-NEXT:    [[TMP0:%.*]] = load <4 x i64>, ptr @global_i64, align 8, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x i64> @llvm.vector.insert.nxv1i64.v4i64(<vscale x 1 x i64> undef, <4 x i64> [[TMP0]], i64 0)
// CHECK-256-NEXT:    ret <vscale x 1 x i64> [[CAST_SCALABLE]]
//
vint64m1_t read_global_i64() { return global_i64; }

// CHECK-64-LABEL: @read_global_bool1(
// CHECK-64-NEXT:  entry:
// CHECK-64-NEXT:    [[TMP0:%.*]] = load <8 x i8>, ptr @global_bool1, align 8, !tbaa [[TBAA4]]
// CHECK-64-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 8 x i8> @llvm.vector.insert.nxv8i8.v8i8(<vscale x 8 x i8> undef, <8 x i8> [[TMP0]], i64 0)
// CHECK-64-NEXT:    [[TMP1:%.*]] = bitcast <vscale x 8 x i8> [[CAST_SCALABLE]] to <vscale x 64 x i1>
// CHECK-64-NEXT:    ret <vscale x 64 x i1> [[TMP1]]
//
// CHECK-256-LABEL: @read_global_bool1(
// CHECK-256-NEXT:  entry:
// CHECK-256-NEXT:    [[TMP0:%.*]] = load <32 x i8>, ptr @global_bool1, align 8, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 8 x i8> @llvm.vector.insert.nxv8i8.v32i8(<vscale x 8 x i8> undef, <32 x i8> [[TMP0]], i64 0)
// CHECK-256-NEXT:    [[TMP1:%.*]] = bitcast <vscale x 8 x i8> [[CAST_SCALABLE]] to <vscale x 64 x i1>
// CHECK-256-NEXT:    ret <vscale x 64 x i1> [[TMP1]]
//
vbool1_t read_global_bool1() { return global_bool1; }

// CHECK-64-LABEL: @read_global_bool4(
// CHECK-64-NEXT:  entry:
// CHECK-64-NEXT:    [[TMP0:%.*]] = load <2 x i8>, ptr @global_bool4, align 2, !tbaa [[TBAA4]]
// CHECK-64-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 2 x i8> @llvm.vector.insert.nxv2i8.v2i8(<vscale x 2 x i8> undef, <2 x i8> [[TMP0]], i64 0)
// CHECK-64-NEXT:    [[TMP1:%.*]] = bitcast <vscale x 2 x i8> [[CAST_SCALABLE]] to <vscale x 16 x i1>
// CHECK-64-NEXT:    ret <vscale x 16 x i1> [[TMP1]]
//
// CHECK-256-LABEL: @read_global_bool4(
// CHECK-256-NEXT:  entry:
// CHECK-256-NEXT:    [[TMP0:%.*]] = load <8 x i8>, ptr @global_bool4, align 8, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 2 x i8> @llvm.vector.insert.nxv2i8.v8i8(<vscale x 2 x i8> undef, <8 x i8> [[TMP0]], i64 0)
// CHECK-256-NEXT:    [[TMP1:%.*]] = bitcast <vscale x 2 x i8> [[CAST_SCALABLE]] to <vscale x 16 x i1>
// CHECK-256-NEXT:    ret <vscale x 16 x i1> [[TMP1]]
//
vbool4_t read_global_bool4() { return global_bool4; }

#if __riscv_v_fixed_vlen >= 256
// CHECK-256-LABEL: @read_global_bool32(
// CHECK-256-NEXT:  entry:
// CHECK-256-NEXT:    [[SAVED_VALUE:%.*]] = alloca <1 x i8>, align 1
// CHECK-256-NEXT:    [[TMP0:%.*]] = load <1 x i8>, ptr @global_bool32, align 1, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    store <1 x i8> [[TMP0]], ptr [[SAVED_VALUE]], align 1, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    [[TMP1:%.*]] = load <vscale x 2 x i1>, ptr [[SAVED_VALUE]], align 1, !tbaa [[TBAA4]]
// CHECK-256-NEXT:    ret <vscale x 2 x i1> [[TMP1]]
//
vbool32_t read_global_bool32() { return global_bool32; }
#endif