xref: /llvm-project/flang/test/Lower/CUDA/cuda-kernel-calls.cuf (revision 023483f5ba6bbbec64bb340578b00bfa3399691d)
1! RUN: bbc -emit-hlfir -fcuda %s -o - | FileCheck %s
2! RUN: bbc -emit-hlfir -fcuda %s -o - | fir-opt | FileCheck %s
3
4! Test lowering of CUDA procedure calls.
5
6module test_call
7  use, intrinsic :: __fortran_builtins, only: __builtin_dim3
8contains
9  attributes(global) subroutine dev_kernel0()
10  end
11
12  attributes(global) subroutine dev_kernel1(a)
13    real :: a
14  end
15
16  subroutine host()
17    real, device :: a
18! CHECK-LABEL: func.func @_QMtest_callPhost()
19! CHECK: %[[A:.*]]:2 = hlfir.declare %{{.*}} {data_attr = #cuf.cuda<device>, uniq_name = "_QMtest_callFhostEa"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
20
21    call dev_kernel0<<<10, 20>>>()
22! CHECK: cuf.kernel_launch @_QMtest_callPdev_kernel0<<<%c10{{.*}}, %c1{{.*}}, %c1{{.*}}, %c20{{.*}}, %c1{{.*}}, %c1{{.*}}>>>()
23
24    call dev_kernel0<<< __builtin_dim3(1,1,4), __builtin_dim3(32,1,1) >>>
25! CHECK: %[[ADDR_DIM3_GRID:.*]] = fir.address_of(@_QQro._QM__fortran_builtinsT__builtin_dim3.{{.*}}) : !fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>
26! CHECK: %[[DIM3_GRID:.*]]:2 = hlfir.declare %[[ADDR_DIM3_GRID]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQro._QM__fortran_builtinsT__builtin_dim3.0"} : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>) -> (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>, !fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>)
27! CHECK: %[[GRID_X:.*]] = hlfir.designate %[[DIM3_GRID]]#1{"x"}   : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>) -> !fir.ref<i32>
28! CHECK: %[[GRID_X_LOAD:.*]] = fir.load %[[GRID_X]] : !fir.ref<i32>
29! CHECK: %[[GRID_Y:.*]] = hlfir.designate %[[DIM3_GRID]]#1{"y"}   : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>) -> !fir.ref<i32>
30! CHECK: %[[GRID_Y_LOAD:.*]] = fir.load %[[GRID_Y]] : !fir.ref<i32>
31! CHECK: %[[GRID_Z:.*]] = hlfir.designate %[[DIM3_GRID]]#1{"z"}   : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>) -> !fir.ref<i32>
32! CHECK: %[[GRID_Z_LOAD:.*]] = fir.load %[[GRID_Z]] : !fir.ref<i32>
33! CHECK: %[[ADDR_DIM3_BLOCK:.*]] = fir.address_of(@_QQro._QM__fortran_builtinsT__builtin_dim3.{{.*}}) : !fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>
34! CHECK: %[[DIM3_BLOCK:.*]]:2 = hlfir.declare %[[ADDR_DIM3_BLOCK]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQro._QM__fortran_builtinsT__builtin_dim3.1"} : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>) -> (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>, !fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>)
35! CHECK: %[[BLOCK_X:.*]] = hlfir.designate %[[DIM3_BLOCK]]#1{"x"}   : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>) -> !fir.ref<i32>
36! CHECK: %[[BLOCK_X_LOAD:.*]] = fir.load %[[BLOCK_X]] : !fir.ref<i32>
37! CHECK: %[[BLOCK_Y:.*]] = hlfir.designate %[[DIM3_BLOCK]]#1{"y"}   : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>) -> !fir.ref<i32>
38! CHECK: %[[BLOCK_Y_LOAD:.*]] = fir.load %[[BLOCK_Y]] : !fir.ref<i32>
39! CHECK: %[[BLOCK_Z:.*]] = hlfir.designate %[[DIM3_BLOCK]]#1{"z"}   : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_dim3{x:i32,y:i32,z:i32}>>) -> !fir.ref<i32>
40! CHECK: %[[BLOCK_Z_LOAD:.*]] = fir.load %[[BLOCK_Z]] : !fir.ref<i32>
41! CHECK: cuf.kernel_launch @_QMtest_callPdev_kernel0<<<%[[GRID_X_LOAD]], %[[GRID_Y_LOAD]], %[[GRID_Z_LOAD]], %[[BLOCK_X_LOAD]], %[[BLOCK_Y_LOAD]], %[[BLOCK_Z_LOAD]]>>>()
42
43    call dev_kernel0<<<10, 20, 2>>>()
44! CHECK: cuf.kernel_launch @_QMtest_callPdev_kernel0<<<%c10{{.*}}, %c1{{.*}}, %c1{{.*}}, %c20{{.*}}, %c1{{.*}}, %c1{{.*}}, %c2{{.*}}>>>()
45
46    call dev_kernel0<<<10, 20, 2, 0>>>()
47! CHECK: cuf.kernel_launch @_QMtest_callPdev_kernel0<<<%c10{{.*}}, %c1{{.*}}, %c1{{.*}}, %c20{{.*}}, %c1{{.*}}, %c1{{.*}}, %c2{{.*}}, %c0{{.*}}>>>()
48
49    call dev_kernel1<<<1, 32>>>(a)
50! CHECK: cuf.kernel_launch @_QMtest_callPdev_kernel1<<<%c1{{.*}}, %c1{{.*}}, %c1{{.*}}, %c32{{.*}}, %c1{{.*}}, %c1{{.*}}>>>(%{{.*}}) : (!fir.ref<f32>)
51
52    call dev_kernel1<<<*, 32>>>(a)
53! CHECK: cuf.kernel_launch @_QMtest_callPdev_kernel1<<<%c-1{{.*}}, %c1{{.*}}, %c1{{.*}}, %c32{{.*}}, %c1{{.*}}, %c1{{.*}}>>>(%{{.*}})
54  end
55
56end
57