8febe67851
Enable lowering of statement function references in HLFIR. This follows the same principle as statement function lowering with the current lowering: - Actual arguments are lowered and mapped to the statement function dummy symbols. - "HostAssociated" symbols are mapped to their host values (these are the symbols referred to inside the statement function expressions that are not statement function dummies. e.g: `x` in `stmt_func(i) = x(i)`). - The statement function expression is evaluated. evaluate::SetLength has to be lowered to deal with statement functions returning characters since the front-end is generating one to ensure the statement function expression value is trimmed/padded to match the statement function declared type. Differential Revision: https://reviews.llvm.org/D140220
36 lines
2.0 KiB
Fortran
36 lines
2.0 KiB
Fortran
! Test lowering of statement functions to HLFIR
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! RUN: bbc -emit-fir -hlfir -o - %s 2>&1 | FileCheck %s
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subroutine numeric_test(x)
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integer :: x(:), i, stmt_func
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stmt_func(i) = x(i)
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call bar(stmt_func(42))
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end subroutine
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! CHECK-LABEL: func.func @_QPnumeric_test(
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! CHECK: %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_0:[^)]*]] {{.*}}x"
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! CHECK: %[[VAL_6:.*]] = arith.constant 42 : i32
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! CHECK: %[[VAL_7:.*]]:3 = hlfir.associate %[[VAL_6]] {uniq_name = "i"} : (i32) -> (!fir.ref<i32>, !fir.ref<i32>, i1)
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! CHECK: %[[VAL_8:.*]] = fir.load %[[VAL_7]]#0 : !fir.ref<i32>
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! CHECK: %[[VAL_9:.*]] = fir.convert %[[VAL_8]] : (i32) -> i64
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! CHECK: %[[VAL_10:.*]] = hlfir.designate %[[VAL_4]]#0 (%[[VAL_9]]) : (!fir.box<!fir.array<?xi32>>, i64) -> !fir.ref<i32>
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! CHECK: %[[VAL_11:.*]] = fir.load %[[VAL_10]] : !fir.ref<i32>
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subroutine char_test(c, n)
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character(*) :: c
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character(n) :: char_stmt_func_dummy_arg
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character(10) :: stmt_func
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stmt_func(char_stmt_func_dummy_arg) = char_stmt_func_dummy_arg
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call bar2(stmt_func(c))
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end subroutine
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! CHECK-LABEL: func.func @_QPchar_test(
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! CHECK: %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3:.*]]#0 typeparams %[[VAL_3]]#1 {{.*}}c"
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! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_2:[^ ]*]] {{.*}}n"
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! CHECK: %[[VAL_13:.*]]:2 = fir.unboxchar %[[VAL_4]]#0 : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
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! CHECK: %[[VAL_14:.*]] = fir.load %[[VAL_5]]#0 : !fir.ref<i32>
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! CHECK: %[[VAL_15:.*]] = arith.constant 0 : i32
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! CHECK: %[[VAL_16:.*]] = arith.cmpi sgt, %[[VAL_14]], %[[VAL_15]] : i32
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! CHECK: %[[VAL_17:.*]] = arith.select %[[VAL_16]], %[[VAL_14]], %[[VAL_15]] : i32
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! 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,?>>)
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! CHECK: %[[VAL_19:.*]] = arith.constant 10 : i64
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! CHECK: %[[VAL_20:.*]] = hlfir.set_length %[[VAL_18]]#0 len %[[VAL_19]] : (!fir.boxchar<1>, i64) -> !hlfir.expr<!fir.char<1,10>>
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