xref: /llvm-project/flang/test/HLFIR/order_assignments/where-fusing-scheduling.f90 (revision 222a8a1b2da16dde3df7a9d8bda54c7fb0730b72)
1! Test scheduling of WHERE in lower-hlfir-ordered-assignments pass
2! when fusing is enabled or disabled.
3
4!RUN: bbc -hlfir -o - -pass-pipeline="builtin.module(lower-hlfir-ordered-assignments{fuse-assignments=false})" --debug-only=flang-ordered-assignment -flang-dbg-order-assignment-schedule-only %s 2>&1 | FileCheck %s --check-prefix NOFUSE
5
6!RUN: bbc -hlfir -o - -pass-pipeline="builtin.module(lower-hlfir-ordered-assignments{fuse-assignments=true})" --debug-only=flang-ordered-assignment -flang-dbg-order-assignment-schedule-only %s 2>&1 | FileCheck %s --check-prefix FUSE
7
8!REQUIRES: asserts
9
10subroutine fusable(x, y, mask)
11  real :: x(:), y(:)
12  logical :: mask(:)
13  where (mask)
14    x = 41.
15    y = 42.
16  end where
17end subroutine
18
19subroutine unfusable(x, y, mask)
20  real :: x(:), y(:)
21  logical :: mask(:)
22  where (mask)
23    x(1:10) = y
24    y = x(10:1:-1)
25  end where
26end subroutine
27
28!NOFUSE-LABEL: ------------ scheduling where in _QPfusable ------------
29!NOFUSE-NEXT: run 1 evaluate: where/region_assign1
30!NOFUSE-NEXT: run 2 evaluate: where/region_assign2
31!NOFUSE-LABEL: ------------ scheduling where in _QPunfusable ------------
32!NOFUSE-NEXT: run 1 evaluate: where/region_assign1
33!NOFUSE-NEXT: run 2 evaluate: where/region_assign2
34
35!FUSE-LABEL: ------------ scheduling where in _QPfusable ------------
36!FUSE-NEXT: run 1 evaluate: where/region_assign1
37!FUSE-NEXT: run 1 evaluate: where/region_assign2
38!FUSE-LABEL: ------------ scheduling where in _QPunfusable ------------
39!FUSE-NEXT: run 1 evaluate: where/region_assign1
40!FUSE-NEXT: conflict: R/W: <block argument> of type '!fir.box<!fir.array<?xf32>>' at index: 1 W:<block argument> of type '!fir.box<!fir.array<?xf32>>' at index: 1
41!FUSE-NEXT: run 2 evaluate: where/region_assign2
42