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[flang] use hlfir base when translating assumed-rank entity to fir::ExtendedValue #94822

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Jun 10, 2024
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13 changes: 9 additions & 4 deletions flang/lib/Optimizer/Builder/HLFIRTools.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -882,10 +882,15 @@ static fir::ExtendedValue translateVariableToExtendedValue(
mlir::Location loc, fir::FirOpBuilder &builder, hlfir::Entity variable,
bool forceHlfirBase = false, bool contiguousHint = false) {
assert(variable.isVariable() && "must be a variable");
/// When going towards FIR, use the original base value to avoid
/// introducing descriptors at runtime when they are not required.
mlir::Value base =
forceHlfirBase ? variable.getBase() : variable.getFirBase();
// When going towards FIR, use the original base value to avoid
// introducing descriptors at runtime when they are not required.
// This is not done for assumed-rank since the fir::ExtendedValue cannot
// held the related lower bounds in an vector. The lower bounds of the
// descriptor must always be used instead.

mlir::Value base = (forceHlfirBase || variable.isAssumedRank())
? variable.getBase()
: variable.getFirBase();
if (variable.isMutableBox())
return fir::MutableBoxValue(base, getExplicitTypeParams(variable),
fir::MutableProperties{});
Expand Down
12 changes: 6 additions & 6 deletions flang/test/Lower/HLFIR/assumed-rank-inquiries-2.f90
Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ subroutine test_size_4(x)
! CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<*:f32>> {fir.bindc_name = "x"}) {
! CHECK: %[[VAL_1:.*]] = fir.dummy_scope : !fir.dscope
! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %[[VAL_1]] {uniq_name = "_QFtest_size_1Ex"} : (!fir.box<!fir.array<*:f32>>, !fir.dscope) -> (!fir.box<!fir.array<*:f32>>, !fir.box<!fir.array<*:f32>>)
! CHECK: %[[VAL_5:.*]] = fir.convert %[[VAL_2]]#1 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_5:.*]] = fir.convert %[[VAL_2]]#0 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_7:.*]] = fir.call @_FortranASize(%[[VAL_5]]
! CHECK: %[[VAL_8:.*]] = fir.convert %[[VAL_7]] : (i64) -> i32
! CHECK: %[[VAL_9:.*]]:3 = hlfir.associate %[[VAL_8]] {adapt.valuebyref} : (i32) -> (!fir.ref<i32>, !fir.ref<i32>, i1)
Expand All @@ -49,13 +49,13 @@ subroutine test_size_4(x)
! CHECK: %[[VAL_6:.*]] = arith.constant 0 : i64
! CHECK: %[[VAL_7:.*]] = arith.cmpi eq, %[[VAL_5]], %[[VAL_6]] : i64
! CHECK: %[[VAL_8:.*]] = fir.if %[[VAL_7]] -> (i32) {
! CHECK: %[[VAL_11:.*]] = fir.convert %[[VAL_3]]#1 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_11:.*]] = fir.convert %[[VAL_3]]#0 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_13:.*]] = fir.call @_FortranASize(%[[VAL_11]]
! CHECK: %[[VAL_14:.*]] = fir.convert %[[VAL_13]] : (i64) -> i32
! CHECK: fir.result %[[VAL_14]] : i32
! CHECK: } else {
! CHECK: %[[VAL_15:.*]] = fir.load %[[VAL_1]] : !fir.ref<i32>
! CHECK: %[[VAL_18:.*]] = fir.convert %[[VAL_3]]#1 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_18:.*]] = fir.convert %[[VAL_3]]#0 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_20:.*]] = fir.call @_FortranASizeDim(%[[VAL_18]]
! CHECK: %[[VAL_21:.*]] = fir.convert %[[VAL_20]] : (i64) -> i32
! CHECK: fir.result %[[VAL_21]] : i32
Expand All @@ -76,13 +76,13 @@ subroutine test_size_4(x)
! CHECK: %[[VAL_6:.*]] = arith.constant 0 : i64
! CHECK: %[[VAL_7:.*]] = arith.cmpi eq, %[[VAL_5]], %[[VAL_6]] : i64
! CHECK: %[[VAL_8:.*]] = fir.if %[[VAL_7]] -> (i32) {
! CHECK: %[[VAL_11:.*]] = fir.convert %[[VAL_4]]#1 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_11:.*]] = fir.convert %[[VAL_4]]#0 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_13:.*]] = fir.call @_FortranASize(%[[VAL_11]],
! CHECK: %[[VAL_14:.*]] = fir.convert %[[VAL_13]] : (i64) -> i32
! CHECK: fir.result %[[VAL_14]] : i32
! CHECK: } else {
! CHECK: %[[VAL_15:.*]] = fir.load %[[VAL_3]]#1 : !fir.ref<i32>
! CHECK: %[[VAL_18:.*]] = fir.convert %[[VAL_4]]#1 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_18:.*]] = fir.convert %[[VAL_4]]#0 : (!fir.box<!fir.array<*:f32>>) -> !fir.box<none>
! CHECK: %[[VAL_20:.*]] = fir.call @_FortranASizeDim(%[[VAL_18]]
! CHECK: %[[VAL_21:.*]] = fir.convert %[[VAL_20]] : (i64) -> i32
! CHECK: fir.result %[[VAL_21]] : i32
Expand All @@ -97,7 +97,7 @@ subroutine test_size_4(x)
! CHECK-SAME: %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.array<*:f32>>>> {fir.bindc_name = "x"}) {
! CHECK: %[[VAL_1:.*]] = fir.dummy_scope : !fir.dscope
! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %[[VAL_1]] {fortran_attrs = #fir.var_attrs<allocatable>, uniq_name = "_QFtest_size_4Ex"} : (!fir.ref<!fir.box<!fir.heap<!fir.array<*:f32>>>>, !fir.dscope) -> (!fir.ref<!fir.box<!fir.heap<!fir.array<*:f32>>>>, !fir.ref<!fir.box<!fir.heap<!fir.array<*:f32>>>>)
! CHECK: %[[VAL_3:.*]] = fir.load %[[VAL_2]]#1 : !fir.ref<!fir.box<!fir.heap<!fir.array<*:f32>>>>
! CHECK: %[[VAL_3:.*]] = fir.load %[[VAL_2]]#0 : !fir.ref<!fir.box<!fir.heap<!fir.array<*:f32>>>>
! CHECK: %[[VAL_6:.*]] = fir.convert %[[VAL_3]] : (!fir.box<!fir.heap<!fir.array<*:f32>>>) -> !fir.box<none>
! CHECK: %[[VAL_8:.*]] = fir.call @_FortranASize(%[[VAL_6]]
! CHECK: %[[VAL_9:.*]] = fir.convert %[[VAL_8]] : (i64) -> i32
Expand Down
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