xref: /llvm-project/flang/test/Analysis/AliasAnalysis/alias-analysis-9.fir (revision 102f76b2d7c8609755f4453c5f91f7fe12e2c0c6)
1// Use --mlir-disable-threading so that the AA queries are serialized
2// as well as its diagnostic output.
3// RUN: fir-opt %s -pass-pipeline='builtin.module(func.func(test-fir-alias-analysis))' -split-input-file --mlir-disable-threading 2>&1 | FileCheck %s
4
5// Fortran source code:
6// program TestTmpArrayAssignment
7//   integer :: a, b, c
8//   integer :: arrayD(3)
9//
10//   arrayD = [ a, b, c ]
11// end program TestTmpArrayAssignment
12
13// CHECK-LABEL: Testing : "_QPTestTmpArrayAssignment"
14// CHECK-DAG: ArrayD#0 <-> tmp_array#0: NoAlias
15func.func @_QPTestTmpArrayAssignment() attributes {fir.bindc_name = "testtmparrayassignment"} {
16  %0 = fir.alloca i32 {bindc_name = "a", uniq_name = "_QFEa"}
17  %1:2 = hlfir.declare %0 {uniq_name = "_QFEa"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
18  %c3 = arith.constant 3 : index
19  %2 = fir.alloca !fir.array<3xi32> {bindc_name = "arrayd", uniq_name = "_QFEarrayd", test.ptr = "ArrayD" }
20  %3 = fir.shape %c3 : (index) -> !fir.shape<1>
21  %4:2 = hlfir.declare %2(%3) {uniq_name = "_QFEarrayd"} : (!fir.ref<!fir.array<3xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<3xi32>>, !fir.ref<!fir.array<3xi32>>)
22  %5 = fir.alloca i32 {bindc_name = "b", uniq_name = "_QFEb"}
23  %6:2 = hlfir.declare %5 {uniq_name = "_QFEb"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
24  %7 = fir.alloca i32 {bindc_name = "c", uniq_name = "_QFEc"}
25  %8:2 = hlfir.declare %7 {uniq_name = "_QFEc"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
26  %c3_0 = arith.constant 3 : index
27  %c1 = arith.constant 1 : index
28  %c1_1 = arith.constant 1 : index
29  %9 = fir.allocmem !fir.array<3xi32> {bindc_name = ".tmp.arrayctor", uniq_name = ""}
30  %10 = fir.shape %c3_0 : (index) -> !fir.shape<1>
31  %11:2 = hlfir.declare %9(%10) {uniq_name = ".tmp.arrayctor"} : (!fir.heap<!fir.array<3xi32>>, !fir.shape<1>) -> (!fir.heap<!fir.array<3xi32>>, !fir.heap<!fir.array<3xi32>>)
32  %12 = fir.load %1#0 : !fir.ref<i32>
33  %13 = arith.addi %c1, %c1_1 : index
34  %14 = hlfir.designate %11#0 (%c1)  : (!fir.heap<!fir.array<3xi32>>, index) -> !fir.ref<i32>
35  hlfir.assign %12 to %14 : i32, !fir.ref<i32>
36  %15 = fir.load %6#0 : !fir.ref<i32>
37  %16 = arith.addi %13, %c1_1 : index
38  %17 = hlfir.designate %11#0 (%13)  : (!fir.heap<!fir.array<3xi32>>, index) -> !fir.ref<i32>
39  hlfir.assign %15 to %17 : i32, !fir.ref<i32>
40  %18 = fir.load %8#0 : !fir.ref<i32>
41  %19 = hlfir.designate %11#0 (%16)  : (!fir.heap<!fir.array<3xi32>>, index) -> !fir.ref<i32>
42  hlfir.assign %18 to %19 : i32, !fir.ref<i32>
43  %true = arith.constant true
44  %20 = hlfir.as_expr %11#0 move %true {test.ptr = "tmp_array"}: (!fir.heap<!fir.array<3xi32>>, i1) -> !hlfir.expr<3xi32>
45  hlfir.assign %20 to %4#0 : !hlfir.expr<3xi32>, !fir.ref<!fir.array<3xi32>>
46  hlfir.destroy %20 : !hlfir.expr<3xi32>
47  return
48}
49