xref: /llvm-project/mlir/test/Target/LLVMIR/openmp-nested.mlir (revision 0a17bdfc361400cb511368f2edfc68c0d11e1974)
1// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s
2
3module {
4  llvm.func @printf(!llvm.ptr, ...) -> i32
5  llvm.mlir.global internal constant @str0("WG size of kernel = %d X %d\0A\00")
6
7  llvm.func @main(%arg0: i32, %arg1: !llvm.ptr) -> i32 {
8    omp.parallel   {
9      %0 = llvm.mlir.constant(1 : index) : i64
10      %1 = llvm.mlir.constant(10 : index) : i64
11      %2 = llvm.mlir.constant(0 : index) : i64
12      %4 = llvm.mlir.constant(0 : i32) : i32
13      %12 = llvm.alloca %0 x i64 : (i64) -> !llvm.ptr
14      omp.wsloop {
15        omp.loop_nest (%arg2) : i64 = (%2) to (%1) step (%0) {
16          omp.parallel {
17            omp.wsloop {
18              omp.loop_nest (%arg3) : i64 = (%2) to (%0) step (%0) {
19                llvm.store %2, %12 : i64, !llvm.ptr
20                omp.yield
21              }
22            }
23            omp.terminator
24          }
25          %19 = llvm.load %12 : !llvm.ptr -> i64
26          %20 = llvm.trunc %19 : i64 to i32
27          %5 = llvm.mlir.addressof @str0 : !llvm.ptr
28          %6 = llvm.getelementptr %5[%4, %4] : (!llvm.ptr, i32, i32) -> !llvm.ptr, !llvm.array<29 x i8>
29          %21 = llvm.call @printf(%6, %20, %20) vararg(!llvm.func<i32 (ptr, ...)>): (!llvm.ptr, i32, i32) -> i32
30          omp.yield
31        }
32      }
33      omp.terminator
34    }
35    %a4 = llvm.mlir.constant(0 : i32) : i32
36    llvm.return %a4 : i32
37  }
38
39}
40
41// CHECK: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @1, i32 0, ptr @[[inner1:.+]])
42
43// CHECK: define internal void @[[inner1]]
44// CHECK: %[[structArg:.+]] = alloca { ptr }
45// CHECK: call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @1, i32 1, ptr @[[inner2:.+]], ptr %[[structArg]])
46