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! RUN: bbc -emit-fir -hlfir=false -outline-intrinsics %s -o - | FileCheck %s
! Test statement function lowering
! Simple case
! CHECK-LABEL: func @_QPtest_stmt_0(
! CHECK-SAME: %{{.*}}: !fir.ref<f32>{{.*}}) -> f32
real function test_stmt_0(x)
real :: x, func, arg
func(arg) = arg + 0.123456
! CHECK-DAG: %[[x:.*]] = fir.load %arg0
! CHECK-DAG: %[[cst:.*]] = arith.constant 1.234560e-01
! CHECK: %[[eval:.*]] = arith.addf %[[x]], %[[cst]]
! CHECK: fir.store %[[eval]] to %[[resmem:.*]] : !fir.ref<f32>
test_stmt_0 = func(x)
! CHECK: %[[res:.*]] = fir.load %[[resmem]]
! CHECK: return %[[res]]
end function
! Check this is not lowered as a simple macro: e.g. argument is only
! evaluated once even if it appears in several placed inside the
! statement function expression
! CHECK-LABEL: func @_QPtest_stmt_only_eval_arg_once() -> f32
real(4) function test_stmt_only_eval_arg_once()
real(4) :: only_once, x1
func(x1) = x1 + x1
! CHECK: %[[x2:.*]] = fir.alloca f32 {adapt.valuebyref}
! CHECK: %[[x1:.*]] = fir.call @_QPonly_once()
! Note: using -emit-fir, so the faked pass-by-reference is exposed
! CHECK: fir.store %[[x1]] to %[[x2]]
! CHECK: addf %{{.*}}, %{{.*}}
test_stmt_only_eval_arg_once = func(only_once())
end function
! Test nested statement function (note that they cannot be recursively
! nested as per F2018 C1577).
real function test_stmt_1(x, a)
real :: y, a, b, foo
real :: func1, arg1, func2, arg2
real :: res1, res2
func1(arg1) = a + foo(arg1)
func2(arg2) = func1(arg2) + b
! CHECK-DAG: %[[bmem:.*]] = fir.alloca f32 {{{.*}}uniq_name = "{{.*}}Eb"}
! CHECK-DAG: %[[res1:.*]] = fir.alloca f32 {{{.*}}uniq_name = "{{.*}}Eres1"}
! CHECK-DAG: %[[res2:.*]] = fir.alloca f32 {{{.*}}uniq_name = "{{.*}}Eres2"}
b = 5
! CHECK-DAG: %[[cst_8:.*]] = arith.constant 8.000000e+00
! CHECK-DAG: fir.store %[[cst_8]] to %[[tmp1:.*]] : !fir.ref<f32>
! CHECK-DAG: %[[foocall1:.*]] = fir.call @_QPfoo(%[[tmp1]])
! CHECK-DAG: %[[aload1:.*]] = fir.load %arg1
! CHECK: %[[add1:.*]] = arith.addf %[[aload1]], %[[foocall1]]
! CHECK: fir.store %[[add1]] to %[[res1]]
res1 = func1(8.)
! CHECK-DAG: %[[a2:.*]] = fir.load %arg1
! CHECK-DAG: %[[foocall2:.*]] = fir.call @_QPfoo(%arg0)
! CHECK-DAG: %[[add2:.*]] = arith.addf %[[a2]], %[[foocall2]]
! CHECK-DAG: %[[b:.*]] = fir.load %[[bmem]]
! CHECK: %[[add3:.*]] = arith.addf %[[add2]], %[[b]]
! CHECK: fir.store %[[add3]] to %[[res2]]
res2 = func2(x)
! CHECK-DAG: %[[res12:.*]] = fir.load %[[res1]]
! CHECK-DAG: %[[res22:.*]] = fir.load %[[res2]]
! CHECK: = arith.addf %[[res12]], %[[res22]] {{.*}}: f32
test_stmt_1 = res1 + res2
! CHECK: return %{{.*}} : f32
end function
! Test statement functions with no argument.
! Test that they are not pre-evaluated.
! CHECK-LABEL: func @_QPtest_stmt_no_args
real function test_stmt_no_args(x, y)
func() = x + y
! CHECK: addf
a = func()
! CHECK: fir.call @_QPfoo_may_modify_xy
call foo_may_modify_xy(x, y)
! CHECK: addf
! CHECK: addf
test_stmt_no_args = func() + a
end function
! Test statement function with character arguments
! CHECK-LABEL: @_QPtest_stmt_character
integer function test_stmt_character(c, j)
integer :: i, j, func, argj
character(10) :: c, argc
! CHECK-DAG: %[[unboxed:.*]]:2 = fir.unboxchar %arg0 :
! CHECK-DAG: %[[ref:.*]] = fir.convert %[[unboxed]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.char<1,10>>
! CHECK-DAG: %[[c10:.*]] = arith.constant 10 :
! CHECK-DAG: %[[ref_cast:.*]] = fir.convert %[[ref]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<!fir.char<1,?>>
! CHECK: %[[c10_cast:.*]] = fir.convert %[[c10]] : (i32) -> index
! CHECK: %[[c:.*]] = fir.emboxchar %[[ref_cast]], %[[c10_cast]]
func(argc, argj) = len_trim(argc, 4) + argj
! CHECK: addi %{{.*}}, %{{.*}} : i
test_stmt_character = func(c, j)
end function
! Test statement function with a character actual argument whose
! length may be different than the dummy length (the dummy length
! must be used inside the statement function).
! CHECK-LABEL: @_QPtest_stmt_character_with_different_length(
! CHECK-SAME: %[[arg0:.*]]: !fir.boxchar<1>
integer function test_stmt_character_with_different_length(c)
integer :: func, ifoo
character(10) :: argc
character(*) :: c
! CHECK-DAG: %[[unboxed:.*]]:2 = fir.unboxchar %[[arg0]] :
! CHECK-DAG: %[[c10:.*]] = arith.constant 10 :
! CHECK: %[[c10_cast:.*]] = fir.convert %[[c10]] : (i32) -> index
! CHECK: %[[argc:.*]] = fir.emboxchar %[[unboxed]]#0, %[[c10_cast]]
! CHECK: fir.call @_QPifoo(%[[argc]]) {{.*}}: (!fir.boxchar<1>) -> i32
func(argc) = ifoo(argc)
test_stmt_character = func(c)
end function
! CHECK-LABEL: @_QPtest_stmt_character_with_different_length_2(
! CHECK-SAME: %[[arg0:.*]]: !fir.boxchar<1>{{.*}}, %[[arg1:.*]]: !fir.ref<i32>
integer function test_stmt_character_with_different_length_2(c, n)
integer :: func, ifoo
character(n) :: argc
character(*) :: c
! CHECK: %[[unboxed:.*]]:2 = fir.unboxchar %[[arg0]] :
! CHECK: %[[n:.*]] = fir.load %[[arg1]] : !fir.ref<i32>
! CHECK: %[[n_is_positive:.*]] = arith.cmpi sgt, %[[n]], %c0{{.*}} : i32
! CHECK: %[[len:.*]] = arith.select %[[n_is_positive]], %[[n]], %c0{{.*}} : i32
! CHECK: %[[lenCast:.*]] = fir.convert %[[len]] : (i32) -> index
! CHECK: %[[argc:.*]] = fir.emboxchar %[[unboxed]]#0, %[[lenCast]] : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
! CHECK: fir.call @_QPifoo(%[[argc]]) {{.*}}: (!fir.boxchar<1>) -> i32
func(argc) = ifoo(argc)
test_stmt_character = func(c)
end function
! issue #247
! CHECK-LABEL: @_QPbug247
subroutine bug247(r)
I(R) = R
! CHECK: fir.call {{.*}}OutputInteger
PRINT *, I(2.5)
! CHECK: fir.call {{.*}}EndIo
END subroutine bug247
! Test that the argument is truncated to the length of the dummy argument.
subroutine truncate_arg
character(4) arg
character(10) stmt_fct
stmt_fct(arg) = arg
print *, stmt_fct('longer_arg')
end subroutine
! CHECK-LABEL: @_QPtruncate_arg
! CHECK: %[[c4:.*]] = arith.constant 4 : i32
! CHECK: %[[arg:.*]] = fir.address_of(@_QQclX{{.*}}) : !fir.ref<!fir.char<1,10>>
! CHECK: %[[cast_arg:.*]] = fir.convert %[[arg]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<!fir.char<1,?>>
! CHECK: %[[c10:.*]] = arith.constant 10 : i64
! CHECK: %[[temp:.*]] = fir.alloca !fir.char<1,10> {bindc_name = ".chrtmp"}
! CHECK: %[[c10_index:.*]] = fir.convert %[[c10]] : (i64) -> index
! CHECK: %[[c4_index:.*]] = fir.convert %[[c4]] : (i32) -> index
! CHECK: %[[cmpi:.*]] = arith.cmpi slt, %[[c10_index]], %[[c4_index]] : index
! CHECK: %[[select:.*]] = arith.select %[[cmpi]], %[[c10_index]], %[[c4_index]] : index
! CHECK: %[[c1:.*]] = arith.constant 1 : i64
! CHECK: %[[select_i64:.*]] = fir.convert %[[select]] : (index) -> i64
! CHECK: %[[length:.*]] = arith.muli %[[c1]], %[[select_i64]] : i64
! CHECK: %[[cast_temp_i8:.*]] = fir.convert %[[temp]] : (!fir.ref<!fir.char<1,10>>) -> !llvm.ptr
! CHECK: %[[cast_arg_i8:.*]] = fir.convert %[[cast_arg]] : (!fir.ref<!fir.char<1,?>>) -> !llvm.ptr
! CHECK: "llvm.intr.memmove"(%[[cast_temp_i8]], %[[cast_arg_i8]], %[[length]]) <{isVolatile = false}> : (!llvm.ptr, !llvm.ptr, i64) -> ()
! CHECK: %[[c1_i64:.*]] = arith.constant 1 : i64
! CHECK: %[[ub:.*]] = arith.subi %[[c10]], %[[c1_i64]] : i64
! CHECK: %[[ub_index:.*]] = fir.convert %[[ub]] : (i64) -> index
! CHECK: fir.do_loop %{{.*}} = %[[select]] to %[[ub_index]] step %{{.*}} {
! CHECK: %[[cast_temp:.*]] = fir.convert %[[temp:.*]] : (!fir.ref<!fir.char<1,10>>) -> !fir.ref<i8>
! CHECK: %{{.*}} = fir.call @_FortranAioOutputAscii(%{{.*}}, %[[cast_temp]], %[[c10]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64) -> i1
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