| ! Test various aspects around call lowering. More detailed tests around core |
| ! requirements are done in call-xxx.f90 and dummy-argument-xxx.f90 files. |
| |
| ! RUN: bbc -emit-fir -hlfir=false %s -o - | FileCheck %s |
| |
| ! CHECK-LABEL: func @_QPtest_nested_calls |
| subroutine test_nested_calls() |
| interface |
| subroutine foo(i) |
| integer :: i |
| end subroutine |
| integer function bar() |
| end function |
| end interface |
| ! CHECK: %[[result_storage:.*]] = fir.alloca i32 {adapt.valuebyref} |
| ! CHECK: %[[result:.*]] = fir.call @_QPbar() {{.*}}: () -> i32 |
| ! CHECK: fir.store %[[result]] to %[[result_storage]] : !fir.ref<i32> |
| ! CHECK: fir.call @_QPfoo(%[[result_storage]]) {{.*}}: (!fir.ref<i32>) -> () |
| call foo(bar()) |
| end subroutine |
| |
| ! Check correct lowering of the result from call to bind(c) function that |
| ! return a char. |
| subroutine call_bindc_char() |
| interface |
| function int_to_char(int) bind(c) |
| use iso_c_binding |
| character(kind=c_char) :: int_to_char |
| integer(c_int), value :: int |
| end function |
| end interface |
| |
| print*, int_to_char(40) |
| end subroutine |
| ! CHECK-LABEL: func.func @_QPcall_bindc_char |
| ! CHECK: %{{.*}} = fir.call @int_to_char(%{{.*}}) {{.*}}: (i32) -> !fir.char<1> |
| |
| ! Check correct lowering of function body that return char and have the bind(c) |
| ! attribute. |
| function f_int_to_char(i) bind(c, name="f_int_to_char") |
| use iso_c_binding |
| character(kind=c_char) :: f_int_to_char |
| integer(c_int), value :: i |
| f_int_to_char = char(i) |
| end function |
| |
| ! CHECK-LABEL: func.func @f_int_to_char( |
| ! CHECK-SAME: %[[ARG0:.*]]: i32 {fir.bindc_name = "i"}) -> !fir.char<1> attributes {fir.bindc_name = "f_int_to_char"} { |
| ! CHECK: %[[CHARBOX:.*]] = fir.alloca !fir.char<1> {adapt.valuebyref} |
| ! CHECK: %[[RESULT:.*]] = fir.alloca !fir.char<1> {bindc_name = "f_int_to_char", uniq_name = "_QFf_int_to_charEf_int_to_char"} |
| ! CHECK: %[[INT_I:.*]] = fir.alloca i32 |
| ! CHECK: fir.store %[[ARG0]] to %[[INT_I]] : !fir.ref<i32> |
| ! CHECK: %[[ARG0_2:.*]] = fir.load %[[INT_I]] : !fir.ref<i32> |
| ! CHECK: %[[ARG0_I64:.*]] = fir.convert %[[ARG0_2]] : (i32) -> i64 |
| ! CHECK: %[[ARG0_I8:.*]] = fir.convert %[[ARG0_I64]] : (i64) -> i8 |
| ! CHECK: %[[UNDEF:.*]] = fir.undefined !fir.char<1> |
| ! CHECK: %[[CHAR_RES:.*]] = fir.insert_value %[[UNDEF]], %[[ARG0_I8]], [0 : index] : (!fir.char<1>, i8) -> !fir.char<1> |
| ! CHECK: fir.store %[[CHAR_RES]] to %[[CHARBOX]] : !fir.ref<!fir.char<1>> |
| ! CHECK: %[[LOAD_CHARBOX:.*]] = fir.load %[[CHARBOX]] : !fir.ref<!fir.char<1>> |
| ! CHECK: fir.store %[[LOAD_CHARBOX]] to %[[RESULT]] : !fir.ref<!fir.char<1>> |
| ! CHECK: %[[LOAD_RES:.*]] = fir.load %[[RESULT]] : !fir.ref<!fir.char<1>> |
| ! CHECK: return %[[LOAD_RES]] : !fir.char<1> |