forked from OSchip/llvm-project
119 lines
5.3 KiB
Fortran
119 lines
5.3 KiB
Fortran
! RUN: bbc -emit-fir -o - %s | FileCheck %s
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! RUN: %flang_fc1 -emit-fir -o - %s | FileCheck %s
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! Test while loop inside do loop.
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! CHECK-LABEL: while_inside_do_loop
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subroutine while_inside_do_loop
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! CHECK-DAG: %[[T_REF:.*]] = fir.alloca i32
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! CHECK-DAG: %[[I_REF:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFwhile_inside_do_loopEi"}
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! CHECK-DAG: %[[J_REF:.*]] = fir.alloca i32 {bindc_name = "j", uniq_name = "_QFwhile_inside_do_loopEj"}
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integer :: i, j
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! CHECK-DAG: %[[C1:.*]] = arith.constant 1 : i32
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! CHECK-DAG: %[[C8:.*]] = arith.constant 8 : i32
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! CHECK-DAG: %[[C13:.*]] = arith.constant 13 : i32
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! CHECK: %[[DIFF:.*]] = arith.subi %[[C13]], %[[C8]] : i32
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! CHECK: %[[RANGE:.*]] = arith.addi %[[DIFF]], %[[C1]] : i32
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! CHECK: %[[HIGH:.*]] = arith.divsi %[[RANGE]], %[[C1]] : i32
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! CHECK: fir.store %[[HIGH]] to %[[T_REF]] : !fir.ref<i32>
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! CHECK: fir.store %[[C8]] to %[[I_REF]] : !fir.ref<i32>
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! CHECK: br ^[[HDR1:.*]]
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! CHECK: ^[[HDR1]]: // 2 preds: ^{{.*}}, ^[[EXIT2:.*]]
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! CHECK-DAG: %[[T:.*]] = fir.load %[[T_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[C0:.*]] = arith.constant 0 : i32
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! CHECK: %[[COND:.*]] = arith.cmpi sgt, %[[T]], %[[C0]] : i32
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! CHECK: cond_br %[[COND]], ^[[BODY1:.*]], ^[[EXIT1:.*]]
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do i=8,13
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! CHECK: ^[[BODY1]]: // pred: ^[[HDR1]]
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! CHECK: %[[C3:.*]] = arith.constant 3 : i32
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! CHECK: fir.store %[[C3]] to %[[J_REF]] : !fir.ref<i32>
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j=3
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! CHECK: br ^[[HDR2:.*]]
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! CHECK: ^[[HDR2]]: // 2 preds: ^[[BODY1]], ^[[BODY2:.*]]
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! CHECK-DAG: %[[J:.*]] = fir.load %[[J_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[I:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK: %[[COND2:.*]] = arith.cmpi slt, %[[J]], %[[I]] : i32
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! CHECK: cond_br %[[COND2]], ^[[BODY2]], ^[[EXIT2]]
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do while (j .lt. i)
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! CHECK: ^[[BODY2]]: // pred: ^[[HDR2]]
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! CHECK-DAG: %[[J2:.*]] = fir.load %[[J_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[C2:.*]] = arith.constant 2 : i32
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! CHECK: %[[INC2:.*]] = arith.muli %[[C2]], %[[J2]] : i32
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! CHECK: fir.store %[[INC2]] to %[[J_REF]] : !fir.ref<i32>
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j=j*2
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! CHECK: br ^[[HDR2]]
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end do
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! CHECK: ^[[EXIT2]]: // pred: ^[[HDR2]]
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! CHECK-DAG: %[[T2:.*]] = fir.load %[[T_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[C1_AGAIN:.*]] = arith.constant 1 : i32
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! CHECK: %[[TDEC:.*]] = arith.subi %[[T2]], %[[C1_AGAIN]] : i32
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! CHECK: fir.store %[[TDEC]] to %[[T_REF]]
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! CHECK: %[[I3:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK: %[[IINC:.*]] = arith.addi %[[I3]], %[[C1]] : i32
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! CHECK: fir.store %[[IINC]] to %[[I_REF]] : !fir.ref<i32>
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! CHECK: br ^[[HDR1]]
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end do
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! CHECK: ^[[EXIT1]]: // pred: ^[[HDR1]]
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! CHECK: %[[IPRINT:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[IPRINT]]) : (!fir.ref<i8>, i32) -> i1
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! CHECK: %[[JPRINT:.*]] = fir.load %[[J_REF]] : !fir.ref<i32>
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! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[JPRINT]]) : (!fir.ref<i8>, i32) -> i1
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print *, i, j
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end subroutine
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! Test do loop inside while loop.
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! CHECK-LABEL: do_inside_while_loop
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subroutine do_inside_while_loop
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! CHECK-DAG: %[[I_REF:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFdo_inside_while_loopEi"}
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! CHECK-DAG: %[[J_REF:.*]] = fir.alloca i32 {bindc_name = "j", uniq_name = "_QFdo_inside_while_loopEj"}
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integer :: i, j
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! CHECK: %[[C3:.*]] = arith.constant 3 : i32
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! CHECK: fir.store %[[C3]] to %[[J_REF]] : !fir.ref<i32>
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j=3
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! CHECK: br ^[[HDR1:.*]]
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! CHECK: ^[[HDR1]]: // 2 preds: ^{{.*}}, ^[[BODY1:.*]]
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! CHECK-DAG: %[[J:.*]] = fir.load %[[J_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[UL:.*]] = arith.constant 21 : i32
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! CHECK: %[[COND:.*]] = arith.cmpi slt, %[[J]], %[[UL]] : i32
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! CHECK: cond_br %[[COND]], ^[[BODY1]], ^[[EXIT1:.*]]
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do while (j .lt. 21)
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! CHECK: ^[[BODY1]]: // pred: ^[[HDR1]]
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! CHECK-DAG: %[[C8_I32:.*]] = arith.constant 8 : i32
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! CHECK-DAG: %[[C8:.*]] = fir.convert %[[C8_I32]] : (i32) -> index
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! CHECK-DAG: %[[C13_I32:.*]] = arith.constant 13 : i32
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! CHECK-DAG: %[[C13:.*]] = fir.convert %[[C13_I32]] : (i32) -> index
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! CHECK-DAG: %[[C1:.*]] = arith.constant 1 : index
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! CHECK: %[[RESULT:.*]] = fir.do_loop %[[IDX:.*]] = %[[C8]] to %[[C13]] step %[[C1]] -> index {
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! CHECK: %[[I32:.*]] = fir.convert %[[IDX]] : (index) -> i32
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! CHECK: fir.store %[[I32]] to %[[I_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[J2:.*]] = fir.load %[[J_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[C2:.*]] = arith.constant 2 : i32
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! CHECK: %[[JINC:.*]] = arith.muli %[[C2]], %[[J2]] : i32
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! CHECK: fir.store %[[JINC]] to %[[J_REF]] : !fir.ref<i32>
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! CHECK: %[[IINC:.*]] = arith.addi %[[IDX]], %[[C1]] : index
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! CHECK: fir.result %[[IINC]] : index
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do i=8,13
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j=j*2
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! CHECK: %[[IFINAL:.*]] = fir.convert %[[RESULT]] : (index) -> i32
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! CHECK: fir.store %[[IFINAL]] to %[[I_REF]] : !fir.ref<i32>
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end do
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! CHECK: br ^[[HDR1]]
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end do
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! CHECK: ^[[EXIT1]]: // pred: ^[[HDR1]]
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! CHECK: %[[IPRINT:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[IPRINT]]) : (!fir.ref<i8>, i32) -> i1
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! CHECK: %[[JPRINT:.*]] = fir.load %[[J_REF]] : !fir.ref<i32>
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! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[JPRINT]]) : (!fir.ref<i8>, i32) -> i1
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print *, i, j
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end subroutine
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