f35f863a88
Patch 2/3 of the transition step 1 described in https://discourse.llvm.org/t/rfc-enabling-the-hlfir-lowering-by-default/72778/7. All the modified tests are still here since coverage for the direct lowering to FIR was still needed while it was default. Some already have an HLFIR version, some have not and will need to be ported in step 2 described in the RFC. Note that another 147 lit tests use -emit-fir/-emit-llvm outputs but do not need a flag since the HLFIR/no HLFIR output is the same for what is being tested.
92 lines
3.6 KiB
Fortran
92 lines
3.6 KiB
Fortran
! RUN: bbc -emit-fir -hlfir=false -o - %s | FileCheck %s
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! RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir -o - %s | FileCheck %s
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! Test a simple while loop.
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! CHECK-LABEL: simple_loop
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subroutine simple_loop
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! CHECK: %[[I_REF:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFsimple_loopEi"}
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integer :: i
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! CHECK: %[[C5:.*]] = arith.constant 5 : i32
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! CHECK: fir.store %[[C5]] to %[[I_REF]]
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i = 5
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! CHECK: br ^[[BB1:.*]]
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! CHECK: ^[[BB1]]: // 2 preds: ^{{.*}}, ^[[BB2:.*]]
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! CHECK-DAG: %[[I:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[C1:.*]] = arith.constant 1 : i32
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! CHECK: %[[COND:.*]] = arith.cmpi sgt, %[[I]], %[[C1]] : i32
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! CHECK: cond_br %[[COND]], ^[[BB2]], ^[[BB3:.*]]
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! CHECK: ^[[BB2]]: // pred: ^[[BB1]]
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! CHECK-DAG: %[[I2:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[C2:.*]] = arith.constant 2 : i32
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! CHECK: %[[INC:.*]] = arith.subi %[[I2]], %[[C2]] : i32
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! CHECK: fir.store %[[INC]] to %[[I_REF]] : !fir.ref<i32>
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! CHECK: br ^[[BB1]]
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do while (i .gt. 1)
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i = i - 2
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end do
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! CHECK: ^[[BB3]]: // pred: ^[[BB1]]
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! CHECK: %[[I3:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK: fir.call @_FortranAioOutputInteger32(%{{.*}}, %[[I3]]) {{.*}}: (!fir.ref<i8>, i32) -> i1
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print *, i
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end subroutine
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! Test 2 nested while loops.
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! CHECK-LABEL: while_inside_while_loop
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subroutine while_inside_while_loop
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! CHECK-DAG: %[[I_REF:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFwhile_inside_while_loopEi"}
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! CHECK-DAG: %[[J_REF:.*]] = fir.alloca i32 {bindc_name = "j", uniq_name = "_QFwhile_inside_while_loopEj"}
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integer :: i, j
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! CHECK: %[[C13:.*]] = arith.constant 13 : i32
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! CHECK: fir.store %[[C13]] to %[[I_REF]]
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i = 13
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! CHECK: br ^[[HDR1:.*]]
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! CHECK: ^[[HDR1]]: // 2 preds: ^{{.*}}, ^[[EXIT2:.*]]
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! CHECK-DAG: %[[I:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[C8:.*]] = arith.constant 8 : i32
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! CHECK: %[[COND:.*]] = arith.cmpi sgt, %[[I]], %[[C8]] : i32
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! CHECK: cond_br %[[COND]], ^[[BODY1:.*]], ^[[EXIT1:.*]]
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do while (i .gt. 8)
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! CHECK: ^[[BODY1]]: // pred: ^[[HDR1]]
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! CHECK-DAG: %[[I2:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK-DAG: %[[C5:.*]] = arith.constant 5 : i32
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! CHECK: %[[INC:.*]] = arith.subi %[[I2]], %[[C5]] : i32
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! CHECK: fir.store %[[INC]] to %[[I_REF]] : !fir.ref<i32>
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i = i - 5
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! CHECK: %[[C3:.*]] = arith.constant 3 : i32
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! CHECK: fir.store %[[C3]] to %[[J_REF]]
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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: %[[I3:.*]] = fir.load %[[I_REF]] : !fir.ref<i32>
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! CHECK: %[[COND2:.*]] = arith.cmpi slt, %[[J]], %[[I3]] : 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: 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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