flang/test/Lower/array-elemental-calls-char-byval.f90

   1 ! Test lowering of elemental calls with character argument
   2 ! with the VALUE attribute.
   3 ! RUN: bbc -o - %s | FileCheck %s
   4
   5
   6 module char_elem_byval
   7
   8 interface
   9 elemental integer function elem(c, j)
  10   character(*), value :: c
  11   integer, intent(in) :: j
  12 end function
  13 end interface
  14
  15 contains
  16 ! CHECK-LABEL: func @_QMchar_elem_byvalPfoo1(
  17 ! CHECK-SAME: %[[VAL_22:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}, %[[VAL_19:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}, %[[VAL_5:.*]]: !fir.boxchar<1>{{.*}}) {
  18 subroutine foo1(i, j, c)
  19   integer :: i(10), j(10)
  20   character(*) :: c(10)
  21 ! CHECK-DAG:   %[[VAL_0:.*]] = arith.constant false
  22 ! CHECK-DAG:   %[[VAL_1:.*]] = arith.constant 10 : index
  23 ! CHECK-DAG:   %[[VAL_2:.*]] = arith.constant 0 : index
  24 ! CHECK-DAG:   %[[VAL_3:.*]] = arith.constant 1 : index
  25 ! CHECK:   %[[VAL_4:.*]]:2 = fir.unboxchar %[[VAL_5]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
  26 ! CHECK:   %[[VAL_6:.*]] = fir.convert %[[VAL_4]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.array<10x!fir.char<1,?>>>
  27 ! CHECK:   %[[VAL_7:.*]] = fir.shape %[[VAL_1]] : (index) -> !fir.shape<1>
  28 ! CHECK:   br ^bb1(%[[VAL_2]], %[[VAL_1]] : index, index)
  29 ! CHECK: ^bb1(%[[VAL_8:.*]]: index, %[[VAL_9:.*]]: index):
  30 ! CHECK:   %[[VAL_10:.*]] = arith.cmpi sgt, %[[VAL_9]], %[[VAL_2]] : index
  31 ! CHECK:   cond_br %[[VAL_10]], ^bb2, ^bb3
  32 ! CHECK: ^bb2:
  33 ! CHECK:   %[[VAL_11:.*]] = arith.addi %[[VAL_8]], %[[VAL_3]] : index
  34 ! CHECK:   %[[VAL_12:.*]] = fir.array_coor %[[VAL_6]](%[[VAL_7]]) %[[VAL_11]] typeparams %[[VAL_4]]#1 : (!fir.ref<!fir.array<10x!fir.char<1,?>>>, !fir.shape<1>, index, index) -> !fir.ref<!fir.char<1,?>>
  35 ! CHECK:   %[[VAL_13:.*]] = fir.alloca !fir.char<1,?>(%[[VAL_4]]#1 : index) {bindc_name = ".chrtmp"}
  36 ! CHECK:   %[[VAL_14:.*]] = fir.convert %[[VAL_4]]#1 : (index) -> i64
  37 ! CHECK:   %[[VAL_15:.*]] = fir.convert %[[VAL_13]] : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<i8>
  38 ! CHECK:   %[[VAL_16:.*]] = fir.convert %[[VAL_12]] : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<i8>
  39 ! CHECK:   fir.call @llvm.memmove.p0.p0.i64(%[[VAL_15]], %[[VAL_16]], %[[VAL_14]], %[[VAL_0]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64, i1) -> ()
  40 ! CHECK:   %[[VAL_17:.*]] = fir.emboxchar %[[VAL_13]], %[[VAL_4]]#1 : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
  41 ! CHECK:   %[[VAL_18:.*]] = fir.array_coor %[[VAL_19]](%[[VAL_7]]) %[[VAL_11]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
  42 ! CHECK:   %[[VAL_20:.*]] = fir.call @_QPelem(%[[VAL_17]], %[[VAL_18]]) {{.*}}: (!fir.boxchar<1>, !fir.ref<i32>) -> i32
  43 ! CHECK:   %[[VAL_21:.*]] = fir.array_coor %[[VAL_22]](%[[VAL_7]]) %[[VAL_11]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
  44 ! CHECK:   fir.store %[[VAL_20]] to %[[VAL_21]] : !fir.ref<i32>
  45 ! CHECK:   %[[VAL_23:.*]] = arith.subi %[[VAL_9]], %[[VAL_3]] : index
  46 ! CHECK:   br ^bb1(%[[VAL_11]], %[[VAL_23]] : index, index)
  47 ! CHECK: ^bb3:
  48 ! CHECK:   return
  49   i = elem(c, j)
  50 end subroutine
  51
  52 ! CHECK-LABEL: func @_QMchar_elem_byvalPfoo2(
  53 ! CHECK-SAME: %[[VAL_44:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}, %[[VAL_41:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}, %[[VAL_29:.*]]: !fir.boxchar<1>{{.*}}) {
  54 subroutine foo2(i, j, c)
  55   integer :: i(10), j(10)
  56   character(*) :: c
  57 ! CHECK-DAG:   %[[VAL_24:.*]] = arith.constant false
  58 ! CHECK-DAG:   %[[VAL_25:.*]] = arith.constant 10 : index
  59 ! CHECK-DAG:   %[[VAL_26:.*]] = arith.constant 0 : index
  60 ! CHECK-DAG:   %[[VAL_27:.*]] = arith.constant 1 : index
  61 ! CHECK:   %[[VAL_28:.*]]:2 = fir.unboxchar %[[VAL_29]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
  62 ! CHECK:   %[[VAL_30:.*]] = fir.shape %[[VAL_25]] : (index) -> !fir.shape<1>
  63 ! CHECK:   %[[VAL_31:.*]] = fir.alloca !fir.char<1,?>(%[[VAL_28]]#1 : index) {bindc_name = ".chrtmp"}
  64 ! CHECK:   %[[VAL_32:.*]] = fir.convert %[[VAL_28]]#1 : (index) -> i64
  65 ! CHECK:   %[[VAL_33:.*]] = fir.convert %[[VAL_31]] : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<i8>
  66 ! CHECK:   %[[VAL_34:.*]] = fir.convert %[[VAL_28]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<i8>
  67 ! CHECK:   fir.call @llvm.memmove.p0.p0.i64(%[[VAL_33]], %[[VAL_34]], %[[VAL_32]], %[[VAL_24]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64, i1) -> ()
  68 ! CHECK:   br ^bb1(%[[VAL_26]], %[[VAL_25]] : index, index)
  69 ! CHECK: ^bb1(%[[VAL_35:.*]]: index, %[[VAL_36:.*]]: index):
  70 ! CHECK:   %[[VAL_37:.*]] = arith.cmpi sgt, %[[VAL_36]], %[[VAL_26]] : index
  71 ! CHECK:   cond_br %[[VAL_37]], ^bb2, ^bb3
  72 ! CHECK: ^bb2:
  73 ! CHECK:   %[[VAL_38:.*]] = fir.emboxchar %[[VAL_31]], %[[VAL_28]]#1 : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
  74 ! CHECK:   %[[VAL_39:.*]] = arith.addi %[[VAL_35]], %[[VAL_27]] : index
  75 ! CHECK:   %[[VAL_40:.*]] = fir.array_coor %[[VAL_41]](%[[VAL_30]]) %[[VAL_39]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
  76 ! CHECK:   %[[VAL_42:.*]] = fir.call @_QPelem(%[[VAL_38]], %[[VAL_40]]) {{.*}}: (!fir.boxchar<1>, !fir.ref<i32>) -> i32
  77 ! CHECK:   %[[VAL_43:.*]] = fir.array_coor %[[VAL_44]](%[[VAL_30]]) %[[VAL_39]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
  78 ! CHECK:   fir.store %[[VAL_42]] to %[[VAL_43]] : !fir.ref<i32>
  79 ! CHECK:   %[[VAL_45:.*]] = arith.subi %[[VAL_36]], %[[VAL_27]] : index
  80 ! CHECK:   br ^bb1(%[[VAL_39]], %[[VAL_45]] : index, index)
  81 ! CHECK: ^bb3:
  82 ! CHECK:   return
  83   i = elem(c, j)
  84 end subroutine
  85
  86 ! CHECK-LABEL: func @_QMchar_elem_byvalPfoo3(
  87 ! CHECK-SAME: %[[VAL_65:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}, %[[VAL_55:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}) {
  88 subroutine foo3(i, j)
  89   integer :: i(10), j(10)
  90 ! CHECK-DAG:   %[[VAL_46:.*]] = arith.constant 10 : index
  91 ! CHECK-DAG:   %[[VAL_47:.*]] = arith.constant 0 : index
  92 ! CHECK-DAG:   %[[VAL_48:.*]] = arith.constant 1 : index
  93 ! CHECK:   %[[VAL_49:.*]] = fir.shape %[[VAL_46]] : (index) -> !fir.shape<1>
  94 ! CHECK:   br ^bb1(%[[VAL_47]], %[[VAL_46]] : index, index)
  95 ! CHECK: ^bb1(%[[VAL_50:.*]]: index, %[[VAL_51:.*]]: index):
  96 ! CHECK:   %[[VAL_52:.*]] = arith.cmpi sgt, %[[VAL_51]], %[[VAL_47]] : index
  97 ! CHECK:   cond_br %[[VAL_52]], ^bb2, ^bb3
  98 ! CHECK: ^bb2:
  99 ! CHECK:   %[[VAL_53:.*]] = arith.addi %[[VAL_50]], %[[VAL_48]] : index
 100 ! CHECK:   %[[VAL_54:.*]] = fir.array_coor %[[VAL_55]](%[[VAL_49]]) %[[VAL_53]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
 101 ! CHECK:   %[[VAL_56:.*]] = fir.load %[[VAL_54]] : !fir.ref<i32>
 102 ! CHECK:   %[[VAL_57:.*]] = fir.convert %[[VAL_56]] : (i32) -> i8
 103 ! CHECK:   %[[VAL_58:.*]] = fir.undefined !fir.char<1>
 104 ! CHECK:   %[[VAL_59:.*]] = fir.insert_value %[[VAL_58]], %[[VAL_57]], [0 : index] : (!fir.char<1>, i8) -> !fir.char<1>
 105 ! CHECK:   %[[VAL_60:.*]] = fir.alloca !fir.char<1> {bindc_name = ".chrtmp"}
 106 ! CHECK:   fir.store %[[VAL_59]] to %[[VAL_60]] : !fir.ref<!fir.char<1>>
 107 ! CHECK:   %[[VAL_61:.*]] = fir.convert %[[VAL_60]] : (!fir.ref<!fir.char<1>>) -> !fir.ref<!fir.char<1,?>>
 108 ! CHECK:   %[[VAL_62:.*]] = fir.emboxchar %[[VAL_61]], %[[VAL_48]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 109 ! CHECK:   %[[VAL_63:.*]] = fir.call @_QPelem(%[[VAL_62]], %[[VAL_54]]) {{.*}}: (!fir.boxchar<1>, !fir.ref<i32>) -> i32
 110 ! CHECK:   %[[VAL_64:.*]] = fir.array_coor %[[VAL_65]](%[[VAL_49]]) %[[VAL_53]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
 111 ! CHECK:   fir.store %[[VAL_63]] to %[[VAL_64]] : !fir.ref<i32>
 112 ! CHECK:   %[[VAL_66:.*]] = arith.subi %[[VAL_51]], %[[VAL_48]] : index
 113 ! CHECK:   br ^bb1(%[[VAL_53]], %[[VAL_66]] : index, index)
 114 ! CHECK: ^bb3:
 115 ! CHECK:   return
 116   i = elem(char(j), j)
 117 end subroutine
 118
 119 ! CHECK-LABEL: func @_QMchar_elem_byvalPfoo4(
 120 ! CHECK-SAME: %[[VAL_93:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}, %[[VAL_74:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}) {
 121 subroutine foo4(i, j)
 122   integer :: i(10), j(10)
 123 ! CHECK-DAG:   %[[VAL_67:.*]] = arith.constant 0 : i64
 124 ! CHECK-DAG:   %[[VAL_68:.*]] = arith.constant false
 125 ! CHECK-DAG:   %[[VAL_69:.*]] = arith.constant 10 : index
 126 ! CHECK-DAG:   %[[VAL_70:.*]] = arith.constant 0 : index
 127 ! CHECK-DAG:   %[[VAL_71:.*]] = arith.constant 1 : index
 128 ! CHECK:   %[[VAL_66:.*]] = fir.alloca !fir.char<1> {adapt.valuebyref}
 129 ! CHECK:   %[[VAL_72:.*]] = fir.shape %[[VAL_69]] : (index) -> !fir.shape<1>
 130 ! CHECK:   %[[VAL_73:.*]] = fir.coordinate_of %[[VAL_74]], %[[VAL_67]] : (!fir.ref<!fir.array<10xi32>>, i64) -> !fir.ref<i32>
 131 ! CHECK:   %[[VAL_75:.*]] = fir.load %[[VAL_73]] : !fir.ref<i32>
 132 ! CHECK:   %[[VAL_76:.*]] = fir.convert %[[VAL_75]] : (i32) -> i8
 133 ! CHECK:   %[[VAL_77:.*]] = fir.undefined !fir.char<1>
 134 ! CHECK:   %[[VAL_78:.*]] = fir.insert_value %[[VAL_77]], %[[VAL_76]], [0 : index] : (!fir.char<1>, i8) -> !fir.char<1>
 135 ! CHECK:   fir.store %[[VAL_78]] to %[[VAL_66]] : !fir.ref<!fir.char<1>>
 136 ! CHECK:   %[[VAL_80:.*]] = fir.alloca !fir.char<1> {bindc_name = ".chrtmp"}
 137 ! CHECK:   %[[VAL_81:.*]] = fir.convert %[[VAL_71]] : (index) -> i64
 138 ! CHECK:   %[[VAL_82:.*]] = fir.convert %[[VAL_80]] : (!fir.ref<!fir.char<1>>) -> !fir.ref<i8>
 139 ! CHECK:   %[[VAL_83:.*]] = fir.convert %[[VAL_66]] : (!fir.ref<!fir.char<1>>) -> !fir.ref<i8>
 140 ! CHECK:   fir.call @llvm.memmove.p0.p0.i64(%[[VAL_82]], %[[VAL_83]], %[[VAL_81]], %[[VAL_68]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64, i1) -> ()
 141 ! CHECK:   br ^bb1(%[[VAL_70]], %[[VAL_69]] : index, index)
 142 ! CHECK: ^bb1(%[[VAL_84:.*]]: index, %[[VAL_85:.*]]: index):
 143 ! CHECK:   %[[VAL_86:.*]] = arith.cmpi sgt, %[[VAL_85]], %[[VAL_70]] : index
 144 ! CHECK:   cond_br %[[VAL_86]], ^bb2, ^bb3
 145 ! CHECK: ^bb2:
 146 ! CHECK:   %[[VAL_87:.*]] = fir.convert %[[VAL_80]] : (!fir.ref<!fir.char<1>>) -> !fir.ref<!fir.char<1,?>>
 147 ! CHECK:   %[[VAL_88:.*]] = fir.emboxchar %[[VAL_87]], %[[VAL_71]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 148 ! CHECK:   %[[VAL_89:.*]] = arith.addi %[[VAL_84]], %[[VAL_71]] : index
 149 ! CHECK:   %[[VAL_90:.*]] = fir.array_coor %[[VAL_74]](%[[VAL_72]]) %[[VAL_89]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
 150 ! CHECK:   %[[VAL_91:.*]] = fir.call @_QPelem(%[[VAL_88]], %[[VAL_90]]) {{.*}}: (!fir.boxchar<1>, !fir.ref<i32>) -> i32
 151 ! CHECK:   %[[VAL_92:.*]] = fir.array_coor %[[VAL_93]](%[[VAL_72]]) %[[VAL_89]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
 152 ! CHECK:   fir.store %[[VAL_91]] to %[[VAL_92]] : !fir.ref<i32>
 153 ! CHECK:   %[[VAL_94:.*]] = arith.subi %[[VAL_85]], %[[VAL_71]] : index
 154 ! CHECK:   br ^bb1(%[[VAL_89]], %[[VAL_94]] : index, index)
 155 ! CHECK: ^bb3:
 156 ! CHECK:   return
 157   i = elem(char(j(1)), j)
 158 end subroutine
 159
 160 ! Note: the copy of the constant is important because VALUE argument can be
 161 ! modified on the caller side.
 162
 163 ! CHECK-LABEL: func @_QMchar_elem_byvalPfoo5(
 164 ! CHECK-SAME: %[[VAL_116:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}, %[[VAL_113:[^:]+]]: !fir.ref<!fir.array<10xi32>>{{.*}}) {
 165 subroutine foo5(i, j)
 166   integer :: i(10), j(10)
 167 ! CHECK-DAG:   %[[VAL_95:.*]] = arith.constant 5 : index
 168 ! CHECK-DAG:   %[[VAL_96:.*]] = arith.constant false
 169 ! CHECK-DAG:   %[[VAL_97:.*]] = arith.constant 10 : index
 170 ! CHECK-DAG:   %[[VAL_98:.*]] = arith.constant 0 : index
 171 ! CHECK-DAG:   %[[VAL_99:.*]] = arith.constant 1 : index
 172 ! CHECK:   %[[VAL_100:.*]] = fir.shape %[[VAL_97]] : (index) -> !fir.shape<1>
 173 ! CHECK:   %[[VAL_101:.*]] = fir.address_of(@{{.*}}) : !fir.ref<!fir.char<1,5>>
 174 ! CHECK:   %[[VAL_102:.*]] = fir.alloca !fir.char<1,5> {bindc_name = ".chrtmp"}
 175 ! CHECK:   %[[VAL_103:.*]] = fir.convert %[[VAL_95]] : (index) -> i64
 176 ! CHECK:   %[[VAL_104:.*]] = fir.convert %[[VAL_102]] : (!fir.ref<!fir.char<1,5>>) -> !fir.ref<i8>
 177 ! CHECK:   %[[VAL_105:.*]] = fir.convert %[[VAL_101]] : (!fir.ref<!fir.char<1,5>>) -> !fir.ref<i8>
 178 ! CHECK:   fir.call @llvm.memmove.p0.p0.i64(%[[VAL_104]], %[[VAL_105]], %[[VAL_103]], %[[VAL_96]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64, i1) -> ()
 179 ! CHECK:   br ^bb1(%[[VAL_98]], %[[VAL_97]] : index, index)
 180 ! CHECK: ^bb1(%[[VAL_106:.*]]: index, %[[VAL_107:.*]]: index):
 181 ! CHECK:   %[[VAL_108:.*]] = arith.cmpi sgt, %[[VAL_107]], %[[VAL_98]] : index
 182 ! CHECK:   cond_br %[[VAL_108]], ^bb2, ^bb3
 183 ! CHECK: ^bb2:
 184 ! CHECK:   %[[VAL_109:.*]] = fir.convert %[[VAL_102]] : (!fir.ref<!fir.char<1,5>>) -> !fir.ref<!fir.char<1,?>>
 185 ! CHECK:   %[[VAL_110:.*]] = fir.emboxchar %[[VAL_109]], %[[VAL_95]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
 186 ! CHECK:   %[[VAL_111:.*]] = arith.addi %[[VAL_106]], %[[VAL_99]] : index
 187 ! CHECK:   %[[VAL_112:.*]] = fir.array_coor %[[VAL_113]](%[[VAL_100]]) %[[VAL_111]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
 188 ! CHECK:   %[[VAL_114:.*]] = fir.call @_QPelem(%[[VAL_110]], %[[VAL_112]]) {{.*}}: (!fir.boxchar<1>, !fir.ref<i32>) -> i32
 189 ! CHECK:   %[[VAL_115:.*]] = fir.array_coor %[[VAL_116]](%[[VAL_100]]) %[[VAL_111]] : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>, index) -> !fir.ref<i32>
 190 ! CHECK:   fir.store %[[VAL_114]] to %[[VAL_115]] : !fir.ref<i32>
 191 ! CHECK:   %[[VAL_117:.*]] = arith.subi %[[VAL_107]], %[[VAL_99]] : index
 192 ! CHECK:   br ^bb1(%[[VAL_111]], %[[VAL_117]] : index, index)
 193 ! CHECK: ^bb3:
 194 ! CHECK:   return
 195   i = elem("hello", j)
 196 end subroutine
 197
 198 end module