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// RUN: mlir-opt -convert-scf-to-openmp='num-threads=4' %s | FileCheck %s
// CHECK-LABEL: @parallel
func.func @parallel(%arg0: index, %arg1: index, %arg2: index,
%arg3: index, %arg4: index, %arg5: index) {
// CHECK: %[[FOUR:.+]] = llvm.mlir.constant(4 : i32) : i32
// CHECK: omp.parallel num_threads(%[[FOUR]] : i32) {
// CHECK: omp.wsloop {
// CHECK: omp.loop_nest (%[[LVAR1:.*]], %[[LVAR2:.*]]) : index = (%arg0, %arg1) to (%arg2, %arg3) step (%arg4, %arg5) {
// CHECK: memref.alloca_scope
scf.parallel (%i, %j) = (%arg0, %arg1) to (%arg2, %arg3) step (%arg4, %arg5) {
// CHECK: "test.payload"(%[[LVAR1]], %[[LVAR2]]) : (index, index) -> ()
"test.payload"(%i, %j) : (index, index) -> ()
// CHECK: omp.yield
// CHECK: }
}
// CHECK: omp.terminator
// CHECK: }
// CHECK: omp.terminator
// CHECK: }
return
}
// CHECK-LABEL: @nested_loops
func.func @nested_loops(%arg0: index, %arg1: index, %arg2: index,
%arg3: index, %arg4: index, %arg5: index) {
// CHECK: %[[FOUR:.+]] = llvm.mlir.constant(4 : i32) : i32
// CHECK: omp.parallel num_threads(%[[FOUR]] : i32) {
// CHECK: omp.wsloop {
// CHECK: omp.loop_nest (%[[LVAR_OUT1:.*]]) : index = (%arg0) to (%arg2) step (%arg4) {
// CHECK: memref.alloca_scope
scf.parallel (%i) = (%arg0) to (%arg2) step (%arg4) {
// CHECK: omp.parallel
// CHECK: omp.wsloop {
// CHECK: omp.loop_nest (%[[LVAR_IN1:.*]]) : index = (%arg1) to (%arg3) step (%arg5) {
// CHECK: memref.alloca_scope
scf.parallel (%j) = (%arg1) to (%arg3) step (%arg5) {
// CHECK: "test.payload"(%[[LVAR_OUT1]], %[[LVAR_IN1]]) : (index, index) -> ()
"test.payload"(%i, %j) : (index, index) -> ()
// CHECK: }
}
// CHECK: omp.yield
// CHECK: }
// CHECK: omp.terminator
// CHECK: }
}
// CHECK: omp.terminator
// CHECK: }
// CHECK: omp.terminator
// CHECK: }
return
}
// CHECK-LABEL: @adjacent_loops
func.func @adjacent_loops(%arg0: index, %arg1: index, %arg2: index,
%arg3: index, %arg4: index, %arg5: index) {
// CHECK: %[[FOUR:.+]] = llvm.mlir.constant(4 : i32) : i32
// CHECK: omp.parallel num_threads(%[[FOUR]] : i32) {
// CHECK: omp.wsloop {
// CHECK: omp.loop_nest (%[[LVAR_AL1:.*]]) : index = (%arg0) to (%arg2) step (%arg4) {
// CHECK: memref.alloca_scope
scf.parallel (%i) = (%arg0) to (%arg2) step (%arg4) {
// CHECK: "test.payload1"(%[[LVAR_AL1]]) : (index) -> ()
"test.payload1"(%i) : (index) -> ()
// CHECK: omp.yield
// CHECK: }
}
// CHECK: omp.terminator
// CHECK: }
// CHECK: omp.terminator
// CHECK: }
// CHECK: %[[FOUR:.+]] = llvm.mlir.constant(4 : i32) : i32
// CHECK: omp.parallel num_threads(%[[FOUR]] : i32) {
// CHECK: omp.wsloop {
// CHECK: omp.loop_nest (%[[LVAR_AL2:.*]]) : index = (%arg1) to (%arg3) step (%arg5) {
// CHECK: memref.alloca_scope
scf.parallel (%j) = (%arg1) to (%arg3) step (%arg5) {
// CHECK: "test.payload2"(%[[LVAR_AL2]]) : (index) -> ()
"test.payload2"(%j) : (index) -> ()
// CHECK: omp.yield
// CHECK: }
}
// CHECK: omp.terminator
// CHECK: }
// CHECK: omp.terminator
// CHECK: }
return
}
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