1// RUN: fir-opt --cfg-conversion="always-execute-loop-body=true" %s | FileCheck %s 2// RUN: fir-opt --cfg-conversion %s | FileCheck %s --check-prefix=NOOPT 3 4func.func @x(%addr : !fir.ref<index>) { 5 %bound = arith.constant 452 : index 6 %step = arith.constant 1 : index 7 fir.do_loop %iv = %bound to %bound step %step { 8 fir.call @y(%addr) : (!fir.ref<index>) -> () 9 } 10 return 11} 12 13func.func private @y(%addr : !fir.ref<index>) 14 15 16// CHECK-LABEL: func @x( 17// CHECK-SAME: %[[VAL_0:.*]]: !fir.ref<index>) { 18// CHECK: %[[VAL_1:.*]] = arith.constant 452 : index 19// CHECK: %[[VAL_2:.*]] = arith.constant 1 : index 20// CHECK: %[[VAL_3:.*]] = arith.subi %[[VAL_1]], %[[VAL_1]] : index 21// CHECK: %[[VAL_4:.*]] = arith.addi %[[VAL_3]], %[[VAL_2]] : index 22// CHECK: %[[VAL_5:.*]] = arith.divsi %[[VAL_4]], %[[VAL_2]] : index 23// CHECK: %[[VAL_6:.*]] = arith.constant 0 : index 24// CHECK: %[[VAL_7:.*]] = arith.cmpi sle, %[[VAL_5]], %[[VAL_6]] : index 25// CHECK: %[[VAL_8:.*]] = arith.constant 1 : index 26// CHECK: %[[VAL_9:.*]] = arith.select %[[VAL_7]], %[[VAL_8]], %[[VAL_5]] : index 27// CHECK: br ^bb1(%[[VAL_1]], %[[VAL_9]] : index, index) 28// CHECK: ^bb1(%[[VAL_10:.*]]: index, %[[VAL_11:.*]]: index): 29// CHECK: %[[VAL_12:.*]] = arith.constant 0 : index 30// CHECK: %[[VAL_13:.*]] = arith.cmpi sgt, %[[VAL_11]], %[[VAL_12]] : index 31// CHECK: cond_br %[[VAL_13]], ^bb2, ^bb3 32// CHECK: ^bb2: 33// CHECK: fir.call @y(%[[VAL_0]]) : (!fir.ref<index>) -> () 34// CHECK: %[[VAL_14:.*]] = arith.addi %[[VAL_10]], %[[VAL_2]] overflow<nsw> : index 35// CHECK: %[[VAL_15:.*]] = arith.constant 1 : index 36// CHECK: %[[VAL_16:.*]] = arith.subi %[[VAL_11]], %[[VAL_15]] : index 37// CHECK: br ^bb1(%[[VAL_14]], %[[VAL_16]] : index, index) 38// CHECK: ^bb3: 39// CHECK: return 40// CHECK: } 41// CHECK: func private @y(!fir.ref<index>) 42 43// NOOPT-LABEL: func @x( 44// NOOPT-SAME: %[[VAL_0:.*]]: !fir.ref<index>) { 45// NOOPT: %[[VAL_1:.*]] = arith.constant 452 : index 46// NOOPT: %[[VAL_2:.*]] = arith.constant 1 : index 47// NOOPT: %[[VAL_3:.*]] = arith.subi %[[VAL_1]], %[[VAL_1]] : index 48// NOOPT: %[[VAL_4:.*]] = arith.addi %[[VAL_3]], %[[VAL_2]] : index 49// NOOPT: %[[VAL_5:.*]] = arith.divsi %[[VAL_4]], %[[VAL_2]] : index 50// NOOPT: br ^bb1(%[[VAL_1]], %[[VAL_5]] : index, index) 51// NOOPT: ^bb1(%[[VAL_6:.*]]: index, %[[VAL_7:.*]]: index): 52// NOOPT: %[[VAL_8:.*]] = arith.constant 0 : index 53// NOOPT: %[[VAL_9:.*]] = arith.cmpi sgt, %[[VAL_7]], %[[VAL_8]] : index 54// NOOPT: cond_br %[[VAL_9]], ^bb2, ^bb3 55// NOOPT: ^bb2: 56// NOOPT: fir.call @y(%[[VAL_0]]) : (!fir.ref<index>) -> () 57// NOOPT: %[[VAL_10:.*]] = arith.addi %[[VAL_6]], %[[VAL_2]] overflow<nsw> : index 58// NOOPT: %[[VAL_11:.*]] = arith.constant 1 : index 59// NOOPT: %[[VAL_12:.*]] = arith.subi %[[VAL_7]], %[[VAL_11]] : index 60// NOOPT: br ^bb1(%[[VAL_10]], %[[VAL_12]] : index, index) 61// NOOPT: ^bb3: 62// NOOPT: return 63// NOOPT: } 64// NOOPT: func private @y(!fir.ref<index>) 65