xref: /llvm-project/flang/test/Lower/array-substring.f90 (revision 2e637dbbb8bc9a41f8eabd1df347ca2559b1abd7)
1! RUN: bbc -hlfir=false %s -o - | FileCheck %s
2! RUN: bbc -hlfir=false -fwrapv %s -o - | FileCheck %s --check-prefix=NO-NSW
3
4! NO-NSW-NOT: overflow<nsw>
5
6! CHECK-LABEL: func @_QPtest(
7! CHECK-SAME:     %[[VAL_0:.*]]: !fir.boxchar<1>{{.*}}) -> !fir.array<1x!fir.logical<4>> {
8! CHECK-DAG:         %[[VAL_1:.*]] = arith.constant 1 : index
9! CHECK-DAG:         %[[VAL_2:.*]] = arith.constant 0 : index
10! CHECK-DAG:         %[[VAL_3:.*]] = arith.constant 0 : i32
11! CHECK-DAG:         %[[VAL_4:.*]] = arith.constant 8 : index
12! CHECK:         %[[VAL_6:.*]]:2 = fir.unboxchar %[[VAL_0]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
13! CHECK:         %[[VAL_7:.*]] = fir.convert %[[VAL_6]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.array<1x!fir.char<1,12>>>
14! CHECK:         %[[VAL_8:.*]] = fir.alloca !fir.array<1x!fir.logical<4>> {bindc_name = "test", uniq_name = "_QFtestEtest"}
15! CHECK:         %[[VAL_9:.*]] = fir.shape %[[VAL_1]] : (index) -> !fir.shape<1>
16! CHECK:         %[[VAL_10:.*]] = fir.slice %[[VAL_1]], %[[VAL_1]], %[[VAL_1]] : (index, index, index) -> !fir.slice<1>
17! CHECK:         %[[VAL_11:.*]] = fir.address_of(@_QQ{{.*}}) : !fir.ref<!fir.array<1x!fir.char<1,8>>>
18! CHECK:         br ^bb1(%[[VAL_2]], %[[VAL_1]] : index, index)
19! CHECK:       ^bb1(%[[VAL_12:.*]]: index, %[[VAL_13:.*]]: index):
20! CHECK:         %[[VAL_14:.*]] = arith.cmpi sgt, %[[VAL_13]], %[[VAL_2]] : index
21! CHECK:         cond_br %[[VAL_14]], ^bb2, ^bb3
22! CHECK:       ^bb2:
23! CHECK:         %[[VAL_15:.*]] = arith.addi %[[VAL_12]], %[[VAL_1]] : index
24! CHECK:         %[[VAL_16:.*]] = fir.array_coor %[[VAL_7]](%[[VAL_9]]) {{\[}}%[[VAL_10]]] %[[VAL_15]] : (!fir.ref<!fir.array<1x!fir.char<1,12>>>, !fir.shape<1>, !fir.slice<1>, index) -> !fir.ref<!fir.char<1,12>>
25! CHECK:         %[[VAL_17:.*]] = fir.convert %[[VAL_16]] : (!fir.ref<!fir.char<1,12>>) -> !fir.ref<!fir.array<12x!fir.char<1>>>
26! CHECK:         %[[VAL_18:.*]] = fir.coordinate_of %[[VAL_17]], %[[VAL_2]] : (!fir.ref<!fir.array<12x!fir.char<1>>>, index) -> !fir.ref<!fir.char<1>>
27! CHECK:         %[[VAL_20:.*]] = fir.array_coor %[[VAL_11]](%[[VAL_9]]) %[[VAL_15]] : (!fir.ref<!fir.array<1x!fir.char<1,8>>>, !fir.shape<1>, index) -> !fir.ref<!fir.char<1,8>>
28! CHECK:         %[[VAL_21:.*]] = fir.convert %[[VAL_18]] : (!fir.ref<!fir.char<1>>) -> !fir.ref<i8>
29! CHECK:         %[[VAL_22:.*]] = fir.convert %[[VAL_20]] : (!fir.ref<!fir.char<1,8>>) -> !fir.ref<i8>
30! CHECK:         %[[VAL_23:.*]] = fir.convert %[[VAL_4]] : (index) -> i64
31! CHECK:         %[[VAL_24:.*]] = fir.call @_FortranACharacterCompareScalar1(%[[VAL_21]], %[[VAL_22]], %[[VAL_23]], %[[VAL_23]]) {{.*}}: (!fir.ref<i8>, !fir.ref<i8>, i64, i64) -> i32
32! CHECK:         %[[VAL_25:.*]] = arith.cmpi eq, %[[VAL_24]], %[[VAL_3]] : i32
33! CHECK:         %[[VAL_26:.*]] = fir.convert %[[VAL_25]] : (i1) -> !fir.logical<4>
34! CHECK:         %[[VAL_27:.*]] = fir.array_coor %[[VAL_8]](%[[VAL_9]]) %[[VAL_15]] : (!fir.ref<!fir.array<1x!fir.logical<4>>>, !fir.shape<1>, index) -> !fir.ref<!fir.logical<4>>
35! CHECK:         fir.store %[[VAL_26]] to %[[VAL_27]] : !fir.ref<!fir.logical<4>>
36! CHECK:         %[[VAL_15_NSW:.*]] = arith.addi %[[VAL_12]], %[[VAL_1]] overflow<nsw> : index
37! CHECK:         %[[VAL_28:.*]] = arith.subi %[[VAL_13]], %[[VAL_1]] : index
38! CHECK:         br ^bb1(%[[VAL_15_NSW]], %[[VAL_28]] : index, index)
39! CHECK:       ^bb3:
40! CHECK:         %[[VAL_29:.*]] = fir.load %[[VAL_8]] : !fir.ref<!fir.array<1x!fir.logical<4>>>
41! CHECK:         return %[[VAL_29]] : !fir.array<1x!fir.logical<4>>
42! CHECK:       }
43
44
45function test(C)
46  logical :: test(1)
47  character*12  C(1)
48
49  test = C(1:1)(1:8) == (/'ABCDabcd'/)
50end function test
51