clang/test/CodeGen/attr-riscv-rvv-vector-bits-bitcast.c

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
   2 // 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
   3 // RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=2 -mvscale-max=2 -S -O1 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-128
   4 // 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
   5
   6 // REQUIRES: riscv-registered-target
   7
   8 #include <stdint.h>
   9
  10 typedef __rvv_int8m1_t vint8m1_t;
  11 typedef __rvv_uint8m1_t vuint8m1_t;
  12 typedef __rvv_int16m1_t vint16m1_t;
  13 typedef __rvv_uint16m1_t vuint16m1_t;
  14 typedef __rvv_int32m1_t vint32m1_t;
  15 typedef __rvv_uint32m1_t vuint32m1_t;
  16 typedef __rvv_int64m1_t vint64m1_t;
  17 typedef __rvv_uint64m1_t vuint64m1_t;
  18 typedef __rvv_float32m1_t vfloat32m1_t;
  19 typedef __rvv_float64m1_t vfloat64m1_t;
  20
  21 typedef vint64m1_t fixed_int64m1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)));
  22 typedef vfloat64m1_t fixed_float64m1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)));
  23
  24 #define DEFINE_STRUCT(ty)   \
  25   struct struct_##ty {      \
  26     fixed_##ty##_t x, y[3]; \
  27   } struct_##ty;
  28
  29 DEFINE_STRUCT(int64m1)
  30 DEFINE_STRUCT(float64m1)
  31
  32 //===----------------------------------------------------------------------===//
  33 // int64
  34 //===----------------------------------------------------------------------===//
  35
  36 // CHECK-64-LABEL: @read_int64m1(
  37 // CHECK-64-NEXT:  entry:
  38 // CHECK-64-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_INT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
  39 // CHECK-64-NEXT:    [[TMP0:%.*]] = load <1 x i64>, ptr [[Y]], align 8, !tbaa [[TBAA4:![0-9]+]]
  40 // 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)
  41 // CHECK-64-NEXT:    ret <vscale x 1 x i64> [[CAST_SCALABLE]]
  42 //
  43 // CHECK-128-LABEL: @read_int64m1(
  44 // CHECK-128-NEXT:  entry:
  45 // CHECK-128-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_INT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
  46 // CHECK-128-NEXT:    [[TMP0:%.*]] = load <2 x i64>, ptr [[Y]], align 8, !tbaa [[TBAA4:![0-9]+]]
  47 // CHECK-128-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x i64> @llvm.vector.insert.nxv1i64.v2i64(<vscale x 1 x i64> undef, <2 x i64> [[TMP0]], i64 0)
  48 // CHECK-128-NEXT:    ret <vscale x 1 x i64> [[CAST_SCALABLE]]
  49 //
  50 // CHECK-256-LABEL: @read_int64m1(
  51 // CHECK-256-NEXT:  entry:
  52 // CHECK-256-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_INT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
  53 // CHECK-256-NEXT:    [[TMP0:%.*]] = load <4 x i64>, ptr [[Y]], align 8, !tbaa [[TBAA4:![0-9]+]]
  54 // 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)
  55 // CHECK-256-NEXT:    ret <vscale x 1 x i64> [[CAST_SCALABLE]]
  56 //
  57 vint64m1_t read_int64m1(struct struct_int64m1 *s) {
  58   return s->y[0];
  59 }
  60
  61 // CHECK-64-LABEL: @write_int64m1(
  62 // CHECK-64-NEXT:  entry:
  63 // CHECK-64-NEXT:    [[CAST_FIXED:%.*]] = tail call <1 x i64> @llvm.vector.extract.v1i64.nxv1i64(<vscale x 1 x i64> [[X:%.*]], i64 0)
  64 // CHECK-64-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_INT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
  65 // CHECK-64-NEXT:    store <1 x i64> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA4]]
  66 // CHECK-64-NEXT:    ret void
  67 //
  68 // CHECK-128-LABEL: @write_int64m1(
  69 // CHECK-128-NEXT:  entry:
  70 // CHECK-128-NEXT:    [[CAST_FIXED:%.*]] = tail call <2 x i64> @llvm.vector.extract.v2i64.nxv1i64(<vscale x 1 x i64> [[X:%.*]], i64 0)
  71 // CHECK-128-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_INT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
  72 // CHECK-128-NEXT:    store <2 x i64> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA4]]
  73 // CHECK-128-NEXT:    ret void
  74 //
  75 // CHECK-256-LABEL: @write_int64m1(
  76 // CHECK-256-NEXT:  entry:
  77 // CHECK-256-NEXT:    [[CAST_FIXED:%.*]] = tail call <4 x i64> @llvm.vector.extract.v4i64.nxv1i64(<vscale x 1 x i64> [[X:%.*]], i64 0)
  78 // CHECK-256-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_INT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
  79 // CHECK-256-NEXT:    store <4 x i64> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA4]]
  80 // CHECK-256-NEXT:    ret void
  81 //
  82 void write_int64m1(struct struct_int64m1 *s, vint64m1_t x) {
  83   s->y[0] = x;
  84 }
  85
  86 //===----------------------------------------------------------------------===//
  87 // float64
  88 //===----------------------------------------------------------------------===//
  89
  90 // CHECK-64-LABEL: @read_float64m1(
  91 // CHECK-64-NEXT:  entry:
  92 // CHECK-64-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_FLOAT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
  93 // CHECK-64-NEXT:    [[TMP0:%.*]] = load <1 x double>, ptr [[Y]], align 8, !tbaa [[TBAA4]]
  94 // CHECK-64-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x double> @llvm.vector.insert.nxv1f64.v1f64(<vscale x 1 x double> undef, <1 x double> [[TMP0]], i64 0)
  95 // CHECK-64-NEXT:    ret <vscale x 1 x double> [[CAST_SCALABLE]]
  96 //
  97 // CHECK-128-LABEL: @read_float64m1(
  98 // CHECK-128-NEXT:  entry:
  99 // CHECK-128-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_FLOAT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
 100 // CHECK-128-NEXT:    [[TMP0:%.*]] = load <2 x double>, ptr [[Y]], align 8, !tbaa [[TBAA4]]
 101 // CHECK-128-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x double> @llvm.vector.insert.nxv1f64.v2f64(<vscale x 1 x double> undef, <2 x double> [[TMP0]], i64 0)
 102 // CHECK-128-NEXT:    ret <vscale x 1 x double> [[CAST_SCALABLE]]
 103 //
 104 // CHECK-256-LABEL: @read_float64m1(
 105 // CHECK-256-NEXT:  entry:
 106 // CHECK-256-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_FLOAT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
 107 // CHECK-256-NEXT:    [[TMP0:%.*]] = load <4 x double>, ptr [[Y]], align 8, !tbaa [[TBAA4]]
 108 // CHECK-256-NEXT:    [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x double> @llvm.vector.insert.nxv1f64.v4f64(<vscale x 1 x double> undef, <4 x double> [[TMP0]], i64 0)
 109 // CHECK-256-NEXT:    ret <vscale x 1 x double> [[CAST_SCALABLE]]
 110 //
 111 vfloat64m1_t read_float64m1(struct struct_float64m1 *s) {
 112   return s->y[0];
 113 }
 114
 115 // CHECK-64-LABEL: @write_float64m1(
 116 // CHECK-64-NEXT:  entry:
 117 // CHECK-64-NEXT:    [[CAST_FIXED:%.*]] = tail call <1 x double> @llvm.vector.extract.v1f64.nxv1f64(<vscale x 1 x double> [[X:%.*]], i64 0)
 118 // CHECK-64-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_FLOAT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
 119 // CHECK-64-NEXT:    store <1 x double> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA4]]
 120 // CHECK-64-NEXT:    ret void
 121 //
 122 // CHECK-128-LABEL: @write_float64m1(
 123 // CHECK-128-NEXT:  entry:
 124 // CHECK-128-NEXT:    [[CAST_FIXED:%.*]] = tail call <2 x double> @llvm.vector.extract.v2f64.nxv1f64(<vscale x 1 x double> [[X:%.*]], i64 0)
 125 // CHECK-128-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_FLOAT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
 126 // CHECK-128-NEXT:    store <2 x double> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA4]]
 127 // CHECK-128-NEXT:    ret void
 128 //
 129 // CHECK-256-LABEL: @write_float64m1(
 130 // CHECK-256-NEXT:  entry:
 131 // CHECK-256-NEXT:    [[CAST_FIXED:%.*]] = tail call <4 x double> @llvm.vector.extract.v4f64.nxv1f64(<vscale x 1 x double> [[X:%.*]], i64 0)
 132 // CHECK-256-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_STRUCT_FLOAT64M1:%.*]], ptr [[S:%.*]], i64 0, i32 1
 133 // CHECK-256-NEXT:    store <4 x double> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA4]]
 134 // CHECK-256-NEXT:    ret void
 135 //
 136 void write_float64m1(struct struct_float64m1 *s, vfloat64m1_t x) {
 137   s->y[0] = x;
 138 }