flang/test/Lower/HLFIR/statement-functions.f90

   1 ! Test lowering of statement functions to HLFIR
   2 ! RUN: bbc -emit-fir -hlfir -o - %s 2>&1 | FileCheck %s
   3
   4 subroutine numeric_test(x)
   5   integer :: x(:), i, stmt_func
   6   stmt_func(i) = x(i)
   7   call bar(stmt_func(42))
   8 end subroutine
   9 ! CHECK-LABEL: func.func @_QPnumeric_test(
  10 ! CHECK:  %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_0:[^)]*]] {{.*}}x"
  11 ! CHECK:  %[[VAL_6:.*]] = arith.constant 42 : i32
  12 ! CHECK:  %[[VAL_7:.*]]:3 = hlfir.associate %[[VAL_6]] {uniq_name = "i"} : (i32) -> (!fir.ref<i32>, !fir.ref<i32>, i1)
  13 ! CHECK:  %[[VAL_8:.*]] = fir.load %[[VAL_7]]#0 : !fir.ref<i32>
  14 ! CHECK:  %[[VAL_9:.*]] = fir.convert %[[VAL_8]] : (i32) -> i64
  15 ! CHECK:  %[[VAL_10:.*]] = hlfir.designate %[[VAL_4]]#0 (%[[VAL_9]])  : (!fir.box<!fir.array<?xi32>>, i64) -> !fir.ref<i32>
  16 ! CHECK:  %[[VAL_11:.*]] = fir.load %[[VAL_10]] : !fir.ref<i32>
  17
  18 subroutine char_test(c, n)
  19   character(*) :: c
  20   character(n) :: char_stmt_func_dummy_arg
  21   character(10) :: stmt_func
  22   stmt_func(char_stmt_func_dummy_arg) = char_stmt_func_dummy_arg
  23   call bar2(stmt_func(c))
  24 end subroutine
  25 ! CHECK-LABEL: func.func @_QPchar_test(
  26 ! CHECK:  %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3:.*]]#0 typeparams %[[VAL_3]]#1 {{.*}}c"
  27 ! CHECK:  %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_2:[^ ]*]] {{.*}}n"
  28 ! CHECK:  %[[VAL_13:.*]]:2 = fir.unboxchar %[[VAL_4]]#0 : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
  29 ! CHECK:  %[[VAL_14:.*]] = fir.load %[[VAL_5]]#0 : !fir.ref<i32>
  30 ! CHECK:  %[[VAL_15:.*]] = arith.constant 0 : i32
  31 ! CHECK:  %[[VAL_16:.*]] = arith.cmpi sgt, %[[VAL_14]], %[[VAL_15]] : i32
  32 ! CHECK:  %[[VAL_17:.*]] = arith.select %[[VAL_16]], %[[VAL_14]], %[[VAL_15]] : i32
  33 ! CHECK:  %[[VAL_18:.*]]:2 = hlfir.declare %[[VAL_13]]#0 typeparams %[[VAL_17]] {uniq_name = "_QFstmt_funcEchar_stmt_func_dummy_arg"} : (!fir.ref<!fir.char<1,?>>, i32) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)
  34 ! CHECK:  %[[VAL_19:.*]] = arith.constant 10 : i64
  35 ! CHECK:  %[[VAL_20:.*]] = hlfir.set_length %[[VAL_18]]#0 len %[[VAL_19]] : (!fir.boxchar<1>, i64) -> !hlfir.expr<!fir.char<1,10>>