1// RUN: mlir-opt %s -one-shot-bufferize -split-input-file | FileCheck %s 2 3// CHECK-LABEL: memref.global "private" @global 4ml_program.global private mutable @global(dense<0> : tensor<i64>) : tensor<i64> 5 6// CHECK-LABEL: func.func @global_load_store 7func.func @global_load_store() -> i64 { 8 // CHECK-DAG: %[[CST127:.*]] = arith.constant 127 9 // CHECK-DAG: %[[GLOBAL_1:.*]] = memref.get_global @global 10 // CHECK: %[[VALUE:.*]] = memref.load %[[GLOBAL_1]][] 11 // CHECK: %[[NEW_VALUE:.*]] = arith.muli %[[VALUE]], %[[CST127]] 12 // CHECK: %[[ALLOC:.*]] = memref.alloc() 13 // CHECK: memref.copy %[[GLOBAL_1]], %[[ALLOC]] 14 // CHECK: memref.store %[[NEW_VALUE]], %[[ALLOC]][] 15 // CHECK: %[[GLOBAL_2:.*]] = memref.get_global @global 16 // CHECK: memref.copy %[[ALLOC]], %[[GLOBAL_2]] 17 // CHECK: return %[[NEW_VALUE]] 18 %c127 = arith.constant 127 : i64 19 %0 = ml_program.global_load @global : tensor<i64> 20 %extracted = tensor.extract %0[] : tensor<i64> 21 %1 = arith.muli %extracted, %c127 : i64 22 %inserted = tensor.insert %1 into %0[] : tensor<i64> 23 ml_program.global_store @global = %inserted : tensor<i64> 24 return %1 : i64 25} 26 27// ----- 28 29// CHECK-LABEL: memref.global "private" @global 30ml_program.global private mutable @global(dense<0> : tensor<i64>) : tensor<i64> 31 32// CHECK-LABEL: func.func @raw_hazard 33func.func @raw_hazard() -> i64 { 34 // CHECK-DAG: %[[CST127:.*]] = arith.constant 127 35 // CHECK-DAG: %[[GLOBAL_1:.*]] = memref.get_global @global 36 // CHECK-DAG: %[[GLOBAL_2:.*]] = memref.get_global @global 37 // CHECK-DAG: %[[ALLOC:.*]] = memref.alloc() 38 // CHECK: memref.copy %[[GLOBAL_1]], %[[ALLOC]] 39 // CHECK: memref.store %[[CST127]], %[[ALLOC]][] 40 // CHECK: %[[VAL:.*]] = memref.load %[[GLOBAL_2]][] 41 // CHECK: %[[GLOBAL_3:.*]] = memref.get_global @global 42 // CHECK: memref.copy %[[ALLOC]], %[[GLOBAL_3]] 43 // CHECK: return %[[VAL]] 44 %c127 = arith.constant 127 : i64 45 %0 = ml_program.global_load @global : tensor<i64> 46 %1 = ml_program.global_load @global : tensor<i64> 47 %inserted = tensor.insert %c127 into %0[] : tensor<i64> 48 %extracted = tensor.extract %1[] : tensor<i64> 49 ml_program.global_store @global = %inserted : tensor<i64> 50 return %extracted : i64 51} 52 53