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

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
   2 // RUN: %clang_cc1 -triple aarch64 -target-feature +sve -mvscale-min=4 -mvscale-max=4 -O1 -emit-llvm -o - %s | FileCheck %s
   3
   4 // REQUIRES: aarch64-registered-target
   5
   6 #include <arm_sve.h>
   7
   8 #define N __ARM_FEATURE_SVE_BITS
   9
  10 typedef svint32_t fixed_int32_t __attribute__((arm_sve_vector_bits(N)));
  11 typedef svfloat64_t fixed_float64_t __attribute__((arm_sve_vector_bits(N)));
  12 typedef svbool_t fixed_bool_t __attribute__((arm_sve_vector_bits(N)));
  13 typedef int32_t gnu_int32_t __attribute__((vector_size(N / 8)));
  14
  15 // CHECK-LABEL: @to_svint32_t(
  16 // CHECK-NEXT:  entry:
  17 // CHECK-NEXT:    ret <vscale x 4 x i32> [[TYPE_COERCE:%.*]]
  18 //
  19 svint32_t to_svint32_t(fixed_int32_t type) {
  20   return type;
  21 }
  22
  23 // CHECK-LABEL: @from_svint32_t(
  24 // CHECK-NEXT:  entry:
  25 // CHECK-NEXT:    ret <vscale x 4 x i32> [[TYPE:%.*]]
  26 //
  27 fixed_int32_t from_svint32_t(svint32_t type) {
  28   return type;
  29 }
  30
  31 // CHECK-LABEL: @to_svfloat64_t(
  32 // CHECK-NEXT:  entry:
  33 // CHECK-NEXT:    ret <vscale x 2 x double> [[TYPE_COERCE:%.*]]
  34 //
  35 svfloat64_t to_svfloat64_t(fixed_float64_t type) {
  36   return type;
  37 }
  38
  39 // CHECK-LABEL: @from_svfloat64_t(
  40 // CHECK-NEXT:  entry:
  41 // CHECK-NEXT:    ret <vscale x 2 x double> [[TYPE:%.*]]
  42 //
  43 fixed_float64_t from_svfloat64_t(svfloat64_t type) {
  44   return type;
  45 }
  46
  47 // CHECK-LABEL: @to_svbool_t(
  48 // CHECK-NEXT:  entry:
  49 // CHECK-NEXT:    ret <vscale x 16 x i1> [[TMP0:%.*]]
  50 //
  51 svbool_t to_svbool_t(fixed_bool_t type) {
  52   return type;
  53 }
  54
  55 // CHECK-LABEL: @from_svbool_t(
  56 // CHECK-NEXT:  entry:
  57 // CHECK-NEXT:    ret <vscale x 16 x i1> [[TYPE:%.*]]
  58 //
  59 fixed_bool_t from_svbool_t(svbool_t type) {
  60   return type;
  61 }
  62
  63 // CHECK-LABEL: @lax_cast(
  64 // CHECK-NEXT:  entry:
  65 // CHECK-NEXT:    [[SAVED_VALUE:%.*]] = alloca <16 x i32>, align 64
  66 // CHECK-NEXT:    [[TYPE:%.*]] = tail call <16 x i32> @llvm.vector.extract.v16i32.nxv4i32(<vscale x 4 x i32> [[TYPE_COERCE:%.*]], i64 0)
  67 // CHECK-NEXT:    store <16 x i32> [[TYPE]], ptr [[SAVED_VALUE]], align 64, !tbaa [[TBAA6:![0-9]+]]
  68 // CHECK-NEXT:    [[TMP0:%.*]] = load <vscale x 2 x i64>, ptr [[SAVED_VALUE]], align 64, !tbaa [[TBAA6]]
  69 // CHECK-NEXT:    ret <vscale x 2 x i64> [[TMP0]]
  70 //
  71 svint64_t lax_cast(fixed_int32_t type) {
  72   return type;
  73 }
  74
  75 // CHECK-LABEL: @to_svint32_t__from_gnu_int32_t(
  76 // CHECK-NEXT:  entry:
  77 // CHECK-NEXT:    [[TYPE:%.*]] = load <16 x i32>, ptr [[TMP0:%.*]], align 16, !tbaa [[TBAA6]]
  78 // CHECK-NEXT:    [[CASTSCALABLESVE:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.insert.nxv4i32.v16i32(<vscale x 4 x i32> poison, <16 x i32> [[TYPE]], i64 0)
  79 // CHECK-NEXT:    ret <vscale x 4 x i32> [[CASTSCALABLESVE]]
  80 //
  81 svint32_t to_svint32_t__from_gnu_int32_t(gnu_int32_t type) {
  82   return type;
  83 }
  84
  85 // CHECK-LABEL: @from_svint32_t__to_gnu_int32_t(
  86 // CHECK-NEXT:  entry:
  87 // CHECK-NEXT:    [[CASTFIXEDSVE:%.*]] = tail call <16 x i32> @llvm.vector.extract.v16i32.nxv4i32(<vscale x 4 x i32> [[TYPE:%.*]], i64 0)
  88 // CHECK-NEXT:    store <16 x i32> [[CASTFIXEDSVE]], ptr [[AGG_RESULT:%.*]], align 16, !tbaa [[TBAA6]]
  89 // CHECK-NEXT:    ret void
  90 //
  91 gnu_int32_t from_svint32_t__to_gnu_int32_t(svint32_t type) {
  92   return type;
  93 }
  94
  95 // CHECK-LABEL: @to_fixed_int32_t__from_gnu_int32_t(
  96 // CHECK-NEXT:  entry:
  97 // CHECK-NEXT:    [[TYPE:%.*]] = load <16 x i32>, ptr [[TMP0:%.*]], align 16, !tbaa [[TBAA6]]
  98 // CHECK-NEXT:    [[CASTSCALABLESVE:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.insert.nxv4i32.v16i32(<vscale x 4 x i32> poison, <16 x i32> [[TYPE]], i64 0)
  99 // CHECK-NEXT:    ret <vscale x 4 x i32> [[CASTSCALABLESVE]]
 100 //
 101 fixed_int32_t to_fixed_int32_t__from_gnu_int32_t(gnu_int32_t type) {
 102   return type;
 103 }
 104
 105 // CHECK-LABEL: @from_fixed_int32_t__to_gnu_int32_t(
 106 // CHECK-NEXT:  entry:
 107 // CHECK-NEXT:    [[TYPE:%.*]] = tail call <16 x i32> @llvm.vector.extract.v16i32.nxv4i32(<vscale x 4 x i32> [[TYPE_COERCE:%.*]], i64 0)
 108 // CHECK-NEXT:    store <16 x i32> [[TYPE]], ptr [[AGG_RESULT:%.*]], align 16, !tbaa [[TBAA6]]
 109 // CHECK-NEXT:    ret void
 110 //
 111 gnu_int32_t from_fixed_int32_t__to_gnu_int32_t(fixed_int32_t type) {
 112   return type;
 113 }