| ! RUN: bbc -emit-fir -hlfir=false -o - %s | FileCheck %s |
| ! RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir -o - %s | FileCheck %s |
| |
| ! Test while loop inside do loop. |
| ! CHECK-LABEL: while_inside_do_loop |
| subroutine while_inside_do_loop |
| ! CHECK-DAG: %[[T_REF:.*]] = fir.alloca i32 |
| ! CHECK-DAG: %[[I_REF:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFwhile_inside_do_loopEi"} |
| ! CHECK-DAG: %[[J_REF:.*]] = fir.alloca i32 {bindc_name = "j", uniq_name = "_QFwhile_inside_do_loopEj"} |
| integer :: i, j |
| |
| ! CHECK-DAG: %[[C1:.*]] = arith.constant 1 : i32 |
| ! CHECK-DAG: %[[C8:.*]] = arith.constant 8 : i32 |
| ! CHECK-DAG: %[[C13:.*]] = arith.constant 13 : i32 |
| ! CHECK: %[[DIFF:.*]] = arith.subi %[[C13]], %[[C8]] : i32 |
| ! CHECK: %[[RANGE:.*]] = arith.addi %[[DIFF]], %[[C1]] : i32 |
| ! CHECK: %[[HIGH:.*]] = arith.divsi %[[RANGE]], %[[C1]] : i32 |
| ! CHECK: fir.store %[[HIGH]] to %[[T_REF]] : !fir.ref<i32> |
| ! CHECK: fir.store %[[C8]] to %[[I_REF]] : !fir.ref<i32> |
| |
| ! CHECK: br ^[[HDR1:.*]] |
| ! CHECK: ^[[HDR1]]: // 2 preds: ^{{.*}}, ^[[EXIT2:.*]] |
| ! CHECK-DAG: %[[T:.*]] = fir.load %[[T_REF]] : !fir.ref<i32> |
| ! CHECK-DAG: %[[C0:.*]] = arith.constant 0 : i32 |
| ! CHECK: %[[COND:.*]] = arith.cmpi sgt, %[[T]], %[[C0]] : i32 |
| ! CHECK: cond_br %[[COND]], ^[[BODY1:.*]], ^[[EXIT1:.*]] |
| do i=8,13 |
| ! CHECK: ^[[BODY1]]: // pred: ^[[HDR1]] |
| ! CHECK: %[[C3:.*]] = arith.constant 3 : i32 |
| ! CHECK: fir.store %[[C3]] to %[[J_REF]] : !fir.ref<i32> |
| j=3 |
| |
| ! CHECK: br ^[[HDR2:.*]] |
| ! CHECK: ^[[HDR2]]: // 2 preds: ^[[BODY1]], ^[[BODY2:.*]] |
| ! CHECK-DAG: %[[J:.*]] = fir.load %[[J_REF]] : !fir.ref<i32> |
| ! CHECK-DAG: %[[I:.*]] = fir.load %[[I_REF]] : !fir.ref<i32> |
| ! CHECK: %[[COND2:.*]] = arith.cmpi slt, %[[J]], %[[I]] : i32 |
| ! CHECK: cond_br %[[COND2]], ^[[BODY2]], ^[[EXIT2]] |
| do while (j .lt. i) |
| ! CHECK: ^[[BODY2]]: // pred: ^[[HDR2]] |
| ! CHECK-DAG: %[[J2:.*]] = fir.load %[[J_REF]] : !fir.ref<i32> |
| ! CHECK-DAG: %[[C2:.*]] = arith.constant 2 : i32 |
| ! CHECK: %[[INC2:.*]] = arith.muli %[[C2]], %[[J2]] : i32 |
| ! CHECK: fir.store %[[INC2]] to %[[J_REF]] : !fir.ref<i32> |
| j=j*2 |
| ! CHECK: br ^[[HDR2]] |
| end do |
| |
| ! CHECK: ^[[EXIT2]]: // pred: ^[[HDR2]] |
| ! CHECK-DAG: %[[T2:.*]] = fir.load %[[T_REF]] : !fir.ref<i32> |
| ! CHECK-DAG: %[[C1_AGAIN:.*]] = arith.constant 1 : i32 |
| ! CHECK: %[[TDEC:.*]] = arith.subi %[[T2]], %[[C1_AGAIN]] : i32 |
| ! CHECK: fir.store %[[TDEC]] to %[[T_REF]] |
| ! CHECK: %[[I3:.*]] = fir.load %[[I_REF]] : !fir.ref<i32> |
| ! CHECK: %[[C1_2:.*]] = arith.constant 1 : i32 |
| ! CHECK: %[[IINC:.*]] = arith.addi %[[I3]], %[[C1_2]] : i32 |
| ! CHECK: fir.store %[[IINC]] to %[[I_REF]] : !fir.ref<i32> |
| ! CHECK: br ^[[HDR1]] |
| end do |
| |
| ! CHECK: ^[[EXIT1]]: // pred: ^[[HDR1]] |
| ! CHECK: %[[IPRINT:.*]] = fir.load %[[I_REF]] : !fir.ref<i32> |
| ! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[IPRINT]]) {{.*}}: (!fir.ref<i8>, i32) -> i1 |
| ! CHECK: %[[JPRINT:.*]] = fir.load %[[J_REF]] : !fir.ref<i32> |
| ! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[JPRINT]]) {{.*}}: (!fir.ref<i8>, i32) -> i1 |
| print *, i, j |
| end subroutine |
| |
| ! Test do loop inside while loop. |
| ! CHECK-LABEL: do_inside_while_loop |
| subroutine do_inside_while_loop |
| ! CHECK-DAG: %[[I_REF:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFdo_inside_while_loopEi"} |
| ! CHECK-DAG: %[[J_REF:.*]] = fir.alloca i32 {bindc_name = "j", uniq_name = "_QFdo_inside_while_loopEj"} |
| integer :: i, j |
| |
| ! CHECK: %[[C3:.*]] = arith.constant 3 : i32 |
| ! CHECK: fir.store %[[C3]] to %[[J_REF]] : !fir.ref<i32> |
| j=3 |
| |
| ! CHECK: br ^[[HDR1:.*]] |
| ! CHECK: ^[[HDR1]]: // 2 preds: ^{{.*}}, ^[[BODY1:.*]] |
| ! CHECK-DAG: %[[J:.*]] = fir.load %[[J_REF]] : !fir.ref<i32> |
| ! CHECK-DAG: %[[UL:.*]] = arith.constant 21 : i32 |
| ! CHECK: %[[COND:.*]] = arith.cmpi slt, %[[J]], %[[UL]] : i32 |
| ! CHECK: cond_br %[[COND]], ^[[BODY1]], ^[[EXIT1:.*]] |
| do while (j .lt. 21) |
| ! CHECK: ^[[BODY1]]: // pred: ^[[HDR1]] |
| |
| ! CHECK-DAG: %[[C8_I32:.*]] = arith.constant 8 : i32 |
| ! CHECK-DAG: %[[C8:.*]] = fir.convert %[[C8_I32]] : (i32) -> index |
| ! CHECK-DAG: %[[C13_I32:.*]] = arith.constant 13 : i32 |
| ! CHECK-DAG: %[[C13:.*]] = fir.convert %[[C13_I32]] : (i32) -> index |
| ! CHECK-DAG: %[[C1:.*]] = arith.constant 1 : index |
| ! CHECK: %[[I_LB:.*]] = fir.convert %[[C8]] : (index) -> i32 |
| ! CHECK: %[[RESULT:.*]]:2 = fir.do_loop %[[IDX:[^ ]*]] = |
| ! CHECK-SAME: %[[C8]] to %[[C13]] step %[[C1]] |
| ! CHECK-SAME: iter_args(%[[I_IV:.*]] = %[[I_LB]]) -> (index, i32) { |
| ! CHECK: fir.store %[[I_IV]] to %[[I_REF]] : !fir.ref<i32> |
| ! CHECK-DAG: %[[J2:.*]] = fir.load %[[J_REF]] : !fir.ref<i32> |
| ! CHECK-DAG: %[[C2:.*]] = arith.constant 2 : i32 |
| ! CHECK: %[[JINC:.*]] = arith.muli %[[C2]], %[[J2]] : i32 |
| ! CHECK: fir.store %[[JINC]] to %[[J_REF]] : !fir.ref<i32> |
| ! CHECK: %[[IINC:.*]] = arith.addi %[[IDX]], %[[C1]] : index |
| ! CHECK: %[[I_STEPCAST:.*]] = fir.convert %[[C1]] : (index) -> i32 |
| ! CHECK: %[[I_IVLOAD:.*]] = fir.load %[[I_REF]] : !fir.ref<i32> |
| ! CHECK: %[[I_IVINC:.*]] = arith.addi %[[I_IVLOAD]], %[[I_STEPCAST]] : i32 |
| ! CHECK: fir.result %[[IINC]], %[[I_IVINC]] : index, i32 |
| do i=8,13 |
| j=j*2 |
| |
| ! CHECK: fir.store %[[RESULT]]#1 to %[[I_REF]] : !fir.ref<i32> |
| end do |
| |
| ! CHECK: br ^[[HDR1]] |
| end do |
| |
| ! CHECK: ^[[EXIT1]]: // pred: ^[[HDR1]] |
| ! CHECK: %[[IPRINT:.*]] = fir.load %[[I_REF]] : !fir.ref<i32> |
| ! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[IPRINT]]) {{.*}}: (!fir.ref<i8>, i32) -> i1 |
| ! CHECK: %[[JPRINT:.*]] = fir.load %[[J_REF]] : !fir.ref<i32> |
| ! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[JPRINT]]) {{.*}}: (!fir.ref<i8>, i32) -> i1 |
| print *, i, j |
| end subroutine |