xref: /llvm-project/mlir/test/Target/LLVMIR/omptarget-region-parallel-llvm.mlir (revision cdb3ebf1e62df060767863e1e683409d6077ca6e)
1// RUN: mlir-translate -mlir-to-llvmir %s | FileCheck %s
2
3module attributes {omp.is_target_device = false} {
4  llvm.func @omp_target_region_() {
5    %0 = llvm.mlir.constant(20 : i32) : i32
6    %1 = llvm.mlir.constant(10 : i32) : i32
7    %2 = llvm.mlir.constant(1 : i64) : i64
8    %3 = llvm.alloca %2 x i32 {bindc_name = "a", in_type = i32, operandSegmentSizes = array<i32: 0, 0>, uniq_name = "_QFomp_target_regionEa"} : (i64) -> !llvm.ptr
9    %4 = llvm.mlir.constant(1 : i64) : i64
10    %5 = llvm.alloca %4 x i32 {bindc_name = "b", in_type = i32, operandSegmentSizes = array<i32: 0, 0>, uniq_name = "_QFomp_target_regionEb"} : (i64) -> !llvm.ptr
11    %6 = llvm.mlir.constant(1 : i64) : i64
12    %7 = llvm.alloca %6 x i32 {bindc_name = "c", in_type = i32, operandSegmentSizes = array<i32: 0, 0>, uniq_name = "_QFomp_target_regionEc"} : (i64) -> !llvm.ptr
13    llvm.store %1, %3 : i32, !llvm.ptr
14    llvm.store %0, %5 : i32, !llvm.ptr
15    %map1 = omp.map.info var_ptr(%3 : !llvm.ptr, i32)   map_clauses(tofrom) capture(ByRef) -> !llvm.ptr {name = ""}
16    %map2 = omp.map.info var_ptr(%5 : !llvm.ptr, i32)   map_clauses(tofrom) capture(ByRef) -> !llvm.ptr {name = ""}
17    %map3 = omp.map.info var_ptr(%7 : !llvm.ptr, i32)   map_clauses(tofrom) capture(ByRef) -> !llvm.ptr {name = ""}
18    omp.target map_entries( %map1 -> %arg0, %map2 -> %arg1, %map3 -> %arg2 : !llvm.ptr, !llvm.ptr, !llvm.ptr) {
19      omp.parallel {
20        %8 = llvm.load %arg0 : !llvm.ptr -> i32
21        %9 = llvm.load %arg1 : !llvm.ptr -> i32
22        %10 = llvm.add %8, %9  : i32
23        llvm.store %10, %arg2 : i32, !llvm.ptr
24        omp.terminator
25        }
26      omp.terminator
27    }
28    llvm.return
29  }
30}
31
32// CHECK: call void @__omp_offloading_[[DEV:.*]]_[[FIL:.*]]_omp_target_region__l[[LINE:.*]](ptr %{{.*}}, ptr %{{.*}}, ptr %{{.*}})
33// CHECK: define internal void @__omp_offloading_[[DEV]]_[[FIL]]_omp_target_region__l[[LINE]](ptr %[[ADDR_A:.*]], ptr %[[ADDR_B:.*]], ptr %[[ADDR_C:.*]])
34// CHECK:  %[[STRUCTARG:.*]] = alloca { ptr, ptr, ptr }, align 8
35// CHECK: %[[GEP1:.*]] = getelementptr { ptr, ptr, ptr }, ptr %[[STRUCTARG]], i32 0, i32 0
36// CHECK: store ptr %[[ADDR_A]], ptr %[[GEP1]], align 8
37// CHECK: %[[GEP2:.*]] = getelementptr { ptr, ptr, ptr }, ptr %[[STRUCTARG]], i32 0, i32 1
38// CHECK: store ptr %[[ADDR_B]], ptr %[[GEP2]], align 8
39// CHECK: %[[GEP3:.*]] = getelementptr { ptr, ptr, ptr }, ptr %[[STRUCTARG]], i32 0, i32 2
40// CHECK: store ptr %[[ADDR_C]], ptr %[[GEP3]], align 8
41// CHECK: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @{{.*}}, i32 1, ptr @__omp_offloading_[[DEV]]_[[FIL]]_omp_target_region__l[[LINE]]..omp_par, ptr %[[STRUCTARG]])
42
43
44// CHECK: define internal void @__omp_offloading_[[DEV]]_[[FIL]]_omp_target_region__l[[LINE]]..omp_par(ptr noalias %tid.addr, ptr noalias %zero.addr, ptr %[[STRUCTARG2:.*]]) #0 {
45// CHECK: %[[GEP4:.*]] = getelementptr { ptr, ptr, ptr }, ptr %[[STRUCTARG2]], i32 0, i32 0
46// CHECK: %[[LOADGEP1:.*]] = load ptr, ptr %[[GEP4]], align 8
47// CHECK: %[[GEP5:.*]] = getelementptr { ptr, ptr, ptr }, ptr %0, i32 0, i32 1
48// CHECK: %[[LOADGEP2:.*]] = load ptr, ptr %[[GEP5]], align 8
49// CHECK: %[[GEP6:.*]] = getelementptr { ptr, ptr, ptr }, ptr %0, i32 0, i32 2
50// CHECK: %[[LOADGEP3:.*]] = load ptr, ptr %[[GEP6]], align 8
51
52// CHECK: %[[VAL_A:.*]] = load i32, ptr %[[LOADGEP1]], align 4
53// CHECK: %[[VAL_B:.*]] = load i32, ptr %[[LOADGEP2]], align 4
54// CHECK: %[[SUM:.*]] = add i32 %[[VAL_A]], %[[VAL_B]]
55// CHECK: store i32 %[[SUM]], ptr %[[LOADGEP3]], align 4
56