derek.holloway
7502bf64a4
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395 lines
15 KiB
Fortran
395 lines
15 KiB
Fortran
! Test lowering of conditional expressions (Fortran 2023)
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! RUN: %flang_fc1 -emit-hlfir -funsigned -o - %s 2>&1 | FileCheck %s
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! CHECK-LABEL: func.func @_QPtest_scalar_integer(
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! CHECK-SAME: %[[FLAG:.*]]: !fir.ref<!fir.logical<4>> {fir.bindc_name = "flag"},
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! CHECK-SAME: %[[X:.*]]: !fir.ref<i32> {fir.bindc_name = "x"},
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! CHECK-SAME: %[[Y:.*]]: !fir.ref<i32> {fir.bindc_name = "y"})
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subroutine test_scalar_integer(flag, x, y)
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logical :: flag
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integer :: x, y, result
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! CHECK-DAG: %[[FLAG_DECL:.*]]:2 = hlfir.declare %[[FLAG]]
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! CHECK-DAG: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]]
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! CHECK-DAG: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y]]
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result = (flag ? x : y)
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! CHECK: %[[FLAG_LOAD:.*]] = fir.load %[[FLAG_DECL]]#0
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! CHECK: %[[FLAG_CONV:.*]] = fir.convert %[[FLAG_LOAD]] : (!fir.logical<4>) -> i1
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! CHECK: %[[RESULT:.*]] = fir.if %[[FLAG_CONV]] -> (i32) {
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! CHECK: %[[X_LOAD:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
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! CHECK: fir.result %[[X_LOAD]] : i32
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! CHECK: } else {
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! CHECK: %[[Y_LOAD:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<i32>
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! CHECK: fir.result %[[Y_LOAD]] : i32
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! CHECK: }
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! CHECK: hlfir.assign %[[RESULT]] to %{{.*}} : i32, !fir.ref<i32>
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_scalar_real(
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subroutine test_scalar_real(flag, x, y)
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logical :: flag
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real :: x, y, result
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result = (flag ? x : y)
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! CHECK: %[[RESULT:.*]] = fir.if {{.*}} -> (f32) {
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! CHECK: fir.result {{.*}} : f32
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : f32
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_scalar_complex(
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subroutine test_scalar_complex(flag, x, y)
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logical :: flag
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complex :: x, y, result
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result = (flag ? x : y)
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! CHECK: %[[RESULT:.*]] = fir.if {{.*}} -> (complex<f32>) {
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! CHECK: fir.result {{.*}} : complex<f32>
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : complex<f32>
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_scalar_logical(
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subroutine test_scalar_logical(flag, x, y)
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logical :: flag, x, y, result
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result = (flag ? x : y)
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! CHECK: %[[RESULT:.*]] = fir.if {{.*}} -> (!fir.logical<4>) {
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! CHECK: fir.result {{.*}} : !fir.logical<4>
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : !fir.logical<4>
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_scalar_unsigned(
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subroutine test_scalar_unsigned(flag, x, y)
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logical :: flag
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unsigned :: x, y, result
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result = (flag ? x : y)
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! CHECK: %[[RESULT:.*]] = fir.if {{.*}} -> (ui32) {
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! CHECK: fir.result {{.*}} : ui32
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : ui32
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_logical_literal(
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subroutine test_logical_literal(flag)
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logical :: flag, result
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result = (flag ? .true. : .false.)
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! CHECK: %[[RESULT:.*]] = fir.if {{.*}} -> (!fir.logical<4>) {
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! CHECK: %[[TRUE:.*]] = arith.constant true
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! CHECK: %[[CONV:.*]] = fir.convert %[[TRUE]] : (i1) -> !fir.logical<4>
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! CHECK: fir.result %[[CONV]] : !fir.logical<4>
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! CHECK: } else {
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! CHECK: %[[FALSE:.*]] = arith.constant false
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! CHECK: %[[CONV:.*]] = fir.convert %[[FALSE]] : (i1) -> !fir.logical<4>
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! CHECK: fir.result %[[CONV]] : !fir.logical<4>
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_multi_branch(
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subroutine test_multi_branch(x)
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integer :: x, result
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! Multi-branch: x > 10 ? 100 : x > 5 ? 50 : 0
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result = (x > 10 ? 100 : x > 5 ? 50 : 0)
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! Outer condition: x > 10
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! CHECK: arith.cmpi sgt
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! CHECK: %[[OUTER:.*]] = fir.if {{.*}} -> (i32) {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: } else {
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! Inner conditional: x > 5 ? 50 : 0
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! CHECK: arith.cmpi sgt
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! CHECK: %[[INNER:.*]] = fir.if {{.*}} -> (i32) {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: }
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! CHECK: fir.result %[[INNER]] : i32
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_char_constant_len(
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subroutine test_char_constant_len(flag)
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logical :: flag
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character(len=5) :: str1, str2, result
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str1 = "HELLO"
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str2 = "WORLD"
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result = (flag ? str1 : str2)
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! Constant length: use scalar temp path.
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! CHECK: %[[TEMP:.*]] = fir.alloca !fir.char<1,5> {bindc_name = ".cond.scalar"
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! CHECK: %[[TEMP_DECL:.*]]:2 = hlfir.declare %[[TEMP]] typeparams {{.*}} {uniq_name = ".cond.result"}
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to %[[TEMP_DECL]]#0
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to %[[TEMP_DECL]]#0
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_char_deferred_len(
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subroutine test_char_deferred_len(flag)
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logical :: flag
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character(len=:), allocatable :: str1, str2, result
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str1 = "SHORT"
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str2 = "A MUCH LONGER STRING"
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! Result length comes from selected branch
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result = (flag ? str1 : str2)
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! CHECK-DAG: %[[BOX_ALLOC:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,?>>> {bindc_name = ".cond.char"
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! CHECK-DAG: %[[UNALLOC:.*]] = fir.zero_bits !fir.heap<!fir.char<1,?>>
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! CHECK-DAG: %[[C0:.*]] = arith.constant 0 : index
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! CHECK: %[[BOX:.*]] = fir.embox %[[UNALLOC]] typeparams %[[C0]]
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! CHECK: fir.store %[[BOX]] to %{{.*}} : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
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! CHECK: %[[BOX_DECL:.*]]:2 = hlfir.declare %[[BOX_ALLOC]] {uniq_name = ".cond.result"}
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to %[[BOX_DECL]]#0 realloc temporary_lhs
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to %[[BOX_DECL]]#0 realloc temporary_lhs
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_array(
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subroutine test_array(flag)
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logical :: flag
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integer :: arr1(10), arr2(10), result(10)
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arr1 = 1
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arr2 = 2
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result = (flag ? arr1 : arr2)
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! CHECK: %[[BOX_ALLOC:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<{{.*}}xi32>>> {bindc_name = ".cond.array"
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! CHECK: %[[UNALLOC:.*]] = fir.zero_bits !fir.heap<!fir.array<{{.*}}xi32>>
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! CHECK: %[[SHAPE:.*]] = fir.shape
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! CHECK: %[[BOX:.*]] = fir.embox %[[UNALLOC]](%[[SHAPE]])
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! CHECK: fir.store %[[BOX]] to %[[BOX_ALLOC]]
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! CHECK: %[[BOX_DECL:.*]]:2 = hlfir.declare %[[BOX_ALLOC]] {uniq_name = ".cond.result"}
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to %[[BOX_DECL]]#0 realloc temporary_lhs
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to %[[BOX_DECL]]#0 realloc temporary_lhs
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_derived_type(
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subroutine test_derived_type(flag)
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type :: point
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real :: x, y
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end type
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logical :: flag
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type(point) :: p1, p2, result
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p1 = point(1.0, 2.0)
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p2 = point(3.0, 4.0)
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result = (flag ? p1 : p2)
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! CHECK: %[[TEMP:.*]] = fir.alloca !fir.type<_QFtest_derived_typeTpoint{x:f32,y:f32}> {bindc_name = ".cond.scalar"
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! CHECK: %[[TEMP_DECL:.*]]:2 = hlfir.declare %[[TEMP]] {uniq_name = ".cond.result"}
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to %[[TEMP_DECL]]#0 : !fir.ref<!fir.type<_QFtest_derived_typeTpoint{x:f32,y:f32}>>, !fir.ref<!fir.type<_QFtest_derived_typeTpoint{x:f32,y:f32}>>
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to %[[TEMP_DECL]]#0 : !fir.ref<!fir.type<_QFtest_derived_typeTpoint{x:f32,y:f32}>>, !fir.ref<!fir.type<_QFtest_derived_typeTpoint{x:f32,y:f32}>>
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_nested_conditionals(
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subroutine test_nested_conditionals(flag1, flag2, x, y, z)
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logical :: flag1, flag2
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integer :: x, y, z, result
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! Nested: flag1 ? (flag2 ? x : y) : z
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result = (flag1 ? (flag2 ? x : y) : z)
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! Outer conditional
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! CHECK: %[[OUTER:.*]] = fir.if {{%.*}} -> (i32) {
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! Inner conditional
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! CHECK: %[[INNER:.*]] = fir.if {{%.*}} -> (i32) {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: }
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! CHECK: fir.result %[[INNER]] : i32
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_in_expression(
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subroutine test_in_expression(flag, x, y)
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logical :: flag
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integer :: x, y, z
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! Conditional in larger expression: (flag ? x : y) + 10
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z = (flag ? x : y) + 10
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! CHECK: %[[COND_RESULT:.*]] = fir.if {{.*}} -> (i32) {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: }
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! CHECK: %[[C10:.*]] = arith.constant 10
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! CHECK: %[[SUM:.*]] = arith.addi %[[COND_RESULT]], %[[C10]]
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! CHECK: hlfir.assign %[[SUM]]
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_assumed_length_char(
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subroutine test_assumed_length_char(flag, str1, str2)
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logical :: flag
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character(len=*) :: str1, str2
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character(len=100) :: result
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result = (flag ? str1 : str2)
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! Deferred length path since len=* is not constant
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! CHECK: %[[BOX_ALLOC:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,?>>> {bindc_name = ".cond.char"
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to {{.*}} realloc temporary_lhs
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to {{.*}} realloc temporary_lhs
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_different_kinds(
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subroutine test_different_kinds(flag)
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logical :: flag
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integer(kind=4) :: i4_1, i4_2, i4_result
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integer(kind=8) :: i8_1, i8_2, i8_result
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i4_1 = 1
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i4_2 = 2
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i4_result = (flag ? i4_1 : i4_2)
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! CHECK: %{{.*}} = fir.if {{.*}} -> (i32) {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : i32
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! CHECK: }
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i8_1 = 3
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i8_2 = 4
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i8_result = (flag ? i8_1 : i8_2)
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! CHECK: %{{.*}} = fir.if {{.*}} -> (i64) {
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! CHECK: fir.result {{.*}} : i64
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! CHECK: } else {
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! CHECK: fir.result {{.*}} : i64
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_array_section(
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subroutine test_array_section(flag)
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logical :: flag
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integer :: arr1(20), arr2(20), result(10)
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result = (flag ? arr1(1:10) : arr2(11:20))
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! CHECK: %[[BOX_ALLOC:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<{{.*}}xi32>>> {bindc_name = ".cond.array"
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to {{.*}} realloc temporary_lhs
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to {{.*}} realloc temporary_lhs
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_noncontiguous_section(
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subroutine test_noncontiguous_section(flag)
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logical :: flag
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integer :: arr1(20), arr2(20), result(5)
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! Non-contiguous stride-2 sections: result must be contiguous.
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result = (flag ? arr1(1:10:2) : arr2(2:10:2))
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! CHECK: %[[BOX_ALLOC:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<{{.*}}xi32>>> {bindc_name = ".cond.array"
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to {{.*}} realloc temporary_lhs
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to {{.*}} realloc temporary_lhs
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_polymorphic(
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subroutine test_polymorphic(flag, x, y)
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type :: base_type
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integer :: val
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end type
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logical :: flag
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class(base_type), intent(in) :: x, y
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type(base_type) :: result
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! Polymorphic conditional: uses fir.class (not fir.box) to carry dynamic type.
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result = (flag ? x : y)
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! CHECK: %[[BOX_ALLOC:.*]] = fir.alloca !fir.class<!fir.heap<!fir.type<_QFtest_polymorphicTbase_type{val:i32}>>> {bindc_name = ".cond.polymorphic"
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! CHECK: %[[UNALLOC:.*]] = fir.zero_bits !fir.heap<!fir.type<_QFtest_polymorphicTbase_type{val:i32}>>
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! CHECK: %[[BOX:.*]] = fir.embox %[[UNALLOC]] : (!fir.heap<!fir.type<_QFtest_polymorphicTbase_type{val:i32}>>) -> !fir.class<!fir.heap<!fir.type<_QFtest_polymorphicTbase_type{val:i32}>>>
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! CHECK: fir.store %[[BOX]] to %[[BOX_ALLOC]]
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! CHECK: %[[BOX_DECL:.*]]:2 = hlfir.declare %[[BOX_ALLOC]] {uniq_name = ".cond.result"}
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to %[[BOX_DECL]]#0 realloc temporary_lhs
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to %[[BOX_DECL]]#0 realloc temporary_lhs
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_polymorphic_array(
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subroutine test_polymorphic_array(flag, x, y)
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type :: base_type
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integer :: val
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end type
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logical :: flag
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class(base_type), intent(in) :: x(:), y(:)
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type(base_type), allocatable :: result(:)
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! Polymorphic array: uses fir.class (not fir.box) for the allocatable temp.
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result = (flag ? x : y)
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! CHECK: fir.alloca !fir.class<!fir.heap<!fir.array<?x!fir.type<_QFtest_polymorphic_arrayTbase_type{val:i32}>>>> {bindc_name = ".cond.array"
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! CHECK: %[[PA_DECL:.*]]:2 = hlfir.declare {{.*}} {uniq_name = ".cond.result"}
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to %[[PA_DECL]]#0 realloc temporary_lhs
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to %[[PA_DECL]]#0 realloc temporary_lhs
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_polymorphic_char_component(
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subroutine test_polymorphic_char_component(flag, x, y)
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type :: named_type
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character(20) :: name
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integer :: id
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end type
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logical :: flag
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class(named_type), intent(in) :: x, y
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type(named_type), allocatable :: result
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result = (flag ? x : y)
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! The alloca type proves fir.class is used for the polymorphic temp.
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! CHECK: fir.alloca !fir.class<!fir.heap<!fir.type<_QFtest_polymorphic_char_componentTnamed_type{name:!fir.char<1,20>,id:i32}>>> {bindc_name = ".cond.polymorphic"
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! CHECK: %[[PC_DECL:.*]]:2 = hlfir.declare {{.*}} {uniq_name = ".cond.result"}
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! CHECK: fir.if
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! CHECK: hlfir.assign {{.*}} to %[[PC_DECL]]#0 realloc temporary_lhs
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} to %[[PC_DECL]]#0 realloc temporary_lhs
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! CHECK: }
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_mixed_type_class(
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subroutine test_mixed_type_class(flag, x, y)
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type :: base_type
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integer :: val
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|
end type
|
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logical :: flag
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|
type(base_type), intent(in) :: x
|
|
class(base_type), intent(in) :: y
|
|
type(base_type) :: result
|
|
! Mixed TYPE(t)/CLASS(t): GetType() returns polymorphic when either branch
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|
! is polymorphic, so the result must use fir.class (not fir.box).
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|
result = (flag ? x : y)
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! CHECK: fir.alloca !fir.class<!fir.heap<!fir.type<_QFtest_mixed_type_classTbase_type{val:i32}>>> {bindc_name = ".cond.polymorphic"
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! CHECK: %[[MX_DECL:.*]]:2 = hlfir.declare {{.*}} {uniq_name = ".cond.result"}
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|
! CHECK: fir.if
|
|
! CHECK: hlfir.assign {{.*}} to %[[MX_DECL]]#0 realloc temporary_lhs
|
|
! CHECK: } else {
|
|
! CHECK: hlfir.assign {{.*}} to %[[MX_DECL]]#0 realloc temporary_lhs
|
|
! CHECK: }
|
|
end subroutine
|
|
|
|
! CHECK-LABEL: func.func @_QPtest_polymorphic_extends(
|
|
subroutine test_polymorphic_extends(flag, x, y)
|
|
type :: base_type
|
|
integer :: val
|
|
end type
|
|
type, extends(base_type) :: extended_type
|
|
real :: extra
|
|
end type
|
|
logical :: flag
|
|
class(base_type), intent(in) :: x, y
|
|
type(base_type) :: result
|
|
! Polymorphic with type hierarchy: x or y may hold extended_type at runtime.
|
|
! The lowering must use fir.class to preserve dynamic type info.
|
|
result = (flag ? x : y)
|
|
! CHECK: fir.alloca !fir.class<!fir.heap<!fir.type<_QFtest_polymorphic_extendsTbase_type{val:i32}>>> {bindc_name = ".cond.polymorphic"
|
|
! CHECK: %[[PE_DECL:.*]]:2 = hlfir.declare {{.*}} {uniq_name = ".cond.result"}
|
|
! CHECK: fir.if
|
|
! CHECK: hlfir.assign {{.*}} to %[[PE_DECL]]#0 realloc temporary_lhs
|
|
! CHECK: } else {
|
|
! CHECK: hlfir.assign {{.*}} to %[[PE_DECL]]#0 realloc temporary_lhs
|
|
! CHECK: }
|
|
end subroutine
|