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1// RUN: mlir-opt -convert-scf-to-openmp='num-threads=4' %s | FileCheck %s2 3// CHECK-LABEL: @parallel4func.func @parallel(%arg0: index, %arg1: index, %arg2: index,5 %arg3: index, %arg4: index, %arg5: index) {6 // CHECK: %[[FOUR:.+]] = llvm.mlir.constant(4 : i32) : i327 // CHECK: omp.parallel num_threads(%[[FOUR]] : i32) {8 // CHECK: omp.wsloop {9 // CHECK: omp.loop_nest (%[[LVAR1:.*]], %[[LVAR2:.*]]) : index = (%arg0, %arg1) to (%arg2, %arg3) step (%arg4, %arg5) collapse(2) {10 // CHECK: memref.alloca_scope11 scf.parallel (%i, %j) = (%arg0, %arg1) to (%arg2, %arg3) step (%arg4, %arg5) {12 // CHECK: "test.payload"(%[[LVAR1]], %[[LVAR2]]) : (index, index) -> ()13 "test.payload"(%i, %j) : (index, index) -> ()14 // CHECK: omp.yield15 // CHECK: }16 }17 // CHECK: }18 // CHECK: omp.terminator19 // CHECK: }20 return21}22 23// CHECK-LABEL: @nested_loops24func.func @nested_loops(%arg0: index, %arg1: index, %arg2: index,25 %arg3: index, %arg4: index, %arg5: index) {26 // CHECK: %[[FOUR:.+]] = llvm.mlir.constant(4 : i32) : i3227 // CHECK: omp.parallel num_threads(%[[FOUR]] : i32) {28 // CHECK: omp.wsloop {29 // CHECK: omp.loop_nest (%[[LVAR_OUT1:.*]]) : index = (%arg0) to (%arg2) step (%arg4) {30 // CHECK: memref.alloca_scope31 scf.parallel (%i) = (%arg0) to (%arg2) step (%arg4) {32 // CHECK: omp.parallel33 // CHECK: omp.wsloop {34 // CHECK: omp.loop_nest (%[[LVAR_IN1:.*]]) : index = (%arg1) to (%arg3) step (%arg5) {35 // CHECK: memref.alloca_scope36 scf.parallel (%j) = (%arg1) to (%arg3) step (%arg5) {37 // CHECK: "test.payload"(%[[LVAR_OUT1]], %[[LVAR_IN1]]) : (index, index) -> ()38 "test.payload"(%i, %j) : (index, index) -> ()39 // CHECK: }40 }41 // CHECK: omp.yield42 // CHECK: }43 // CHECK: }44 }45 // CHECK: }46 // CHECK: omp.terminator47 // CHECK: }48 return49}50 51// CHECK-LABEL: @adjacent_loops52func.func @adjacent_loops(%arg0: index, %arg1: index, %arg2: index,53 %arg3: index, %arg4: index, %arg5: index) {54 // CHECK: %[[FOUR:.+]] = llvm.mlir.constant(4 : i32) : i3255 // CHECK: omp.parallel num_threads(%[[FOUR]] : i32) {56 // CHECK: omp.wsloop {57 // CHECK: omp.loop_nest (%[[LVAR_AL1:.*]]) : index = (%arg0) to (%arg2) step (%arg4) {58 // CHECK: memref.alloca_scope59 scf.parallel (%i) = (%arg0) to (%arg2) step (%arg4) {60 // CHECK: "test.payload1"(%[[LVAR_AL1]]) : (index) -> ()61 "test.payload1"(%i) : (index) -> ()62 // CHECK: omp.yield63 // CHECK: }64 }65 // CHECK: }66 // CHECK: omp.terminator67 // CHECK: }68 69 // CHECK: %[[FOUR:.+]] = llvm.mlir.constant(4 : i32) : i3270 // CHECK: omp.parallel num_threads(%[[FOUR]] : i32) {71 // CHECK: omp.wsloop {72 // CHECK: omp.loop_nest (%[[LVAR_AL2:.*]]) : index = (%arg1) to (%arg3) step (%arg5) {73 // CHECK: memref.alloca_scope74 scf.parallel (%j) = (%arg1) to (%arg3) step (%arg5) {75 // CHECK: "test.payload2"(%[[LVAR_AL2]]) : (index) -> ()76 "test.payload2"(%j) : (index) -> ()77 // CHECK: omp.yield78 // CHECK: }79 }80 // CHECK: }81 // CHECK: omp.terminator82 // CHECK: }83 return84}85