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vzakharivzakhari
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[flang][hlfir] Fixed cleanup code placement indeterminism in OrderedAssignments. (#66811)
I had to remove test3() case in 73086da to fix the buildbots. This patch brings it back with proper fix.
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‎flang/lib/Optimizer/HLFIR/Transforms/LowerHLFIROrderedAssignments.cpp

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -243,7 +243,8 @@ class OrderedAssignmentRewriter {
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template <typename T>
244244
fir::factory::TemporaryStorage *insertSavedEntity(mlir::Region &region,
245245
T &&temp) {
246-
auto inserted = savedEntities.try_emplace(&region, std::forward<T>(temp));
246+
auto inserted =
247+
savedEntities.insert(std::make_pair(&region, std::forward<T>(temp)));
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assert(inserted.second && "temp must have been emplaced");
248249
return &inserted.first->second;
249250
}
@@ -267,7 +268,10 @@ class OrderedAssignmentRewriter {
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/// Map of temporary storage to keep track of saved entity once the run
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/// that saves them has been lowered. It is kept in-between runs.
270-
llvm::DenseMap<mlir::Region *, fir::factory::TemporaryStorage> savedEntities;
271+
/// llvm::MapVector is used to guarantee deterministic order
272+
/// of iterating through savedEntities (e.g. for generating
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/// destruction code for the temporary storages).
274+
llvm::MapVector<mlir::Region *, fir::factory::TemporaryStorage> savedEntities;
271275
/// Map holding the values that were saved in the current run and that also
272276
/// need to be used (because their construct will be visited). It is reset
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/// after each run. It avoids having to store and fetch in the temporary

‎flang/test/HLFIR/order_assignments/user-defined-assignment-finalization.fir

Lines changed: 123 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -158,3 +158,126 @@ func.func @_QPtest2() {
158158
// CHECK: fir.call @llvm.stackrestore.p0(%[[VAL_5]]) fastmath<contract> : (!fir.ref<i8>) -> ()
159159
// CHECK: return
160160
// CHECK: }
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//! subroutine test3(y)
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//! use types
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//! interface
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//! function new_obja()
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//! use types
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//! type(ud_assign) :: new_obja(2)
168+
//! end function new_obja
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//! end interface
170+
//! integer :: y(2)
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//! type(ud_assign), save :: x(2)
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//! where (y == 1) x = new_obja()
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//! end subroutine test3
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func.func @_QPtest3(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "y"}) {
175+
%c1_i32 = arith.constant 1 : i32
176+
%c2 = arith.constant 2 : index
177+
%0 = fir.alloca !fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>> {bindc_name = ".result"}
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%1 = fir.address_of(@_QFtest3Ex) : !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>
179+
%2 = fir.shape %c2 : (index) -> !fir.shape<1>
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%3:2 = hlfir.declare %1(%2) {uniq_name = "_QFtest3Ex"} : (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.shape<1>) -> (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>)
181+
%4:2 = hlfir.declare %arg0(%2) {uniq_name = "_QFtest3Ey"} : (!fir.ref<!fir.array<2xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<2xi32>>, !fir.ref<!fir.array<2xi32>>)
182+
hlfir.where {
183+
%5 = hlfir.elemental %2 unordered : (!fir.shape<1>) -> !hlfir.expr<2x!fir.logical<4>> {
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^bb0(%arg1: index):
185+
%6 = hlfir.designate %4#0 (%arg1) : (!fir.ref<!fir.array<2xi32>>, index) -> !fir.ref<i32>
186+
%7 = fir.load %6 : !fir.ref<i32>
187+
%8 = arith.cmpi eq, %7, %c1_i32 : i32
188+
%9 = fir.convert %8 : (i1) -> !fir.logical<4>
189+
hlfir.yield_element %9 : !fir.logical<4>
190+
}
191+
hlfir.yield %5 : !hlfir.expr<2x!fir.logical<4>> cleanup {
192+
hlfir.destroy %5 : !hlfir.expr<2x!fir.logical<4>>
193+
}
194+
} do {
195+
hlfir.region_assign {
196+
%5 = fir.call @llvm.stacksave.p0() fastmath<contract> : () -> !fir.ref<i8>
197+
%6 = fir.call @_QPnew_obja() fastmath<contract> : () -> !fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
198+
fir.save_result %6 to %0(%2) : !fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>, !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.shape<1>
199+
%7:2 = hlfir.declare %0(%2) {uniq_name = ".tmp.func_result"} : (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.shape<1>) -> (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>)
200+
hlfir.yield %7#0 : !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>> cleanup {
201+
%8 = fir.embox %0(%2) : (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.shape<1>) -> !fir.box<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>
202+
%9 = fir.convert %8 : (!fir.box<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>) -> !fir.box<none>
203+
%10 = fir.call @_FortranADestroy(%9) fastmath<contract> : (!fir.box<none>) -> none
204+
fir.call @llvm.stackrestore.p0(%5) fastmath<contract> : (!fir.ref<i8>) -> ()
205+
}
206+
} to {
207+
hlfir.yield %3#0 : !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>
208+
} user_defined_assign (%arg1: !fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) to (%arg2: !fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) {
209+
%5 = fir.embox %arg2 : (!fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
210+
%6 = fir.convert %5 : (!fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.class<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
211+
%7 = fir.embox %arg1 : (!fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
212+
%8 = fir.convert %7 : (!fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.class<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
213+
fir.call @_QMtypesPassign(%6, %8) fastmath<contract> : (!fir.class<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>, !fir.class<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> ()
214+
}
215+
}
216+
return
217+
}
218+
// CHECK-LABEL: func.func @_QPtest3(
219+
// CHECK-SAME: %[[VAL_0:.*]]: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "y"}) {
220+
// CHECK: %[[VAL_1:.*]] = fir.alloca !fir.box<!fir.heap<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>
221+
// CHECK: %[[VAL_2:.*]] = fir.alloca i64
222+
// CHECK: %[[VAL_3:.*]] = arith.constant 1 : i32
223+
// CHECK: %[[VAL_4:.*]] = arith.constant 2 : index
224+
// CHECK: %[[VAL_5:.*]] = fir.alloca !fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>> {bindc_name = ".result"}
225+
// CHECK: %[[VAL_6:.*]] = fir.address_of(@_QFtest3Ex) : !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>
226+
// CHECK: %[[VAL_7:.*]] = fir.shape %[[VAL_4]] : (index) -> !fir.shape<1>
227+
// CHECK: %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_6]](%[[VAL_7]]) {uniq_name = "_QFtest3Ex"} : (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.shape<1>) -> (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>)
228+
// CHECK: %[[VAL_9:.*]]:2 = hlfir.declare %[[VAL_0]](%[[VAL_7]]) {uniq_name = "_QFtest3Ey"} : (!fir.ref<!fir.array<2xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<2xi32>>, !fir.ref<!fir.array<2xi32>>)
229+
// CHECK: %[[VAL_10:.*]] = hlfir.elemental %[[VAL_7]] unordered : (!fir.shape<1>) -> !hlfir.expr<2x!fir.logical<4>> {
230+
// CHECK: ^bb0(%[[VAL_11:.*]]: index):
231+
// CHECK: %[[VAL_12:.*]] = hlfir.designate %[[VAL_9]]#0 (%[[VAL_11]]) : (!fir.ref<!fir.array<2xi32>>, index) -> !fir.ref<i32>
232+
// CHECK: %[[VAL_13:.*]] = fir.load %[[VAL_12]] : !fir.ref<i32>
233+
// CHECK: %[[VAL_14:.*]] = arith.cmpi eq, %[[VAL_13]], %[[VAL_3]] : i32
234+
// CHECK: %[[VAL_15:.*]] = fir.convert %[[VAL_14]] : (i1) -> !fir.logical<4>
235+
// CHECK: hlfir.yield_element %[[VAL_15]] : !fir.logical<4>
236+
// CHECK: }
237+
// CHECK: %[[VAL_16:.*]]:3 = hlfir.associate %[[VAL_10]](%[[VAL_7]]) {uniq_name = ".tmp.where"} : (!hlfir.expr<2x!fir.logical<4>>, !fir.shape<1>) -> (!fir.ref<!fir.array<2x!fir.logical<4>>>, !fir.ref<!fir.array<2x!fir.logical<4>>>, i1)
238+
// CHECK: hlfir.destroy %[[VAL_10]] : !hlfir.expr<2x!fir.logical<4>>
239+
// CHECK: %[[VAL_18:.*]] = fir.call @llvm.stacksave.p0() fastmath<contract> : () -> !fir.ref<i8>
240+
// CHECK: %[[VAL_19:.*]] = fir.call @_QPnew_obja() fastmath<contract> : () -> !fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
241+
// CHECK: fir.save_result %[[VAL_19]] to %[[VAL_5]](%[[VAL_7]]) : !fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>, !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.shape<1>
242+
// CHECK: %[[VAL_20:.*]]:2 = hlfir.declare %[[VAL_5]](%[[VAL_7]]) {uniq_name = ".tmp.func_result"} : (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.shape<1>) -> (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>)
243+
// CHECK: %[[VAL_27:.*]] = fir.call @_FortranACreateValueStack(%{{.*}}, %{{.*}}) : (!fir.ref<i8>, i32) -> !fir.llvm_ptr<i8>
244+
// CHECK: fir.do_loop %[[VAL_28:.*]] = %{{.*}} to %[[VAL_4]] step %{{.*}} {
245+
// CHECK: %[[VAL_29:.*]] = hlfir.designate %[[VAL_16]]#0 (%[[VAL_28]]) : (!fir.ref<!fir.array<2x!fir.logical<4>>>, index) -> !fir.ref<!fir.logical<4>>
246+
// CHECK: %[[VAL_30:.*]] = fir.load %[[VAL_29]] : !fir.ref<!fir.logical<4>>
247+
// CHECK: %[[VAL_31:.*]] = fir.convert %[[VAL_30]] : (!fir.logical<4>) -> i1
248+
// CHECK: fir.if %[[VAL_31]] {
249+
// CHECK: %[[VAL_32:.*]] = hlfir.designate %[[VAL_20]]#0 (%[[VAL_28]]) : (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, index) -> !fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
250+
// CHECK: %[[VAL_33:.*]] = fir.embox %[[VAL_32]] : (!fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
251+
// CHECK: %[[VAL_34:.*]] = fir.convert %[[VAL_33]] : (!fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.box<none>
252+
// CHECK: %[[VAL_35:.*]] = fir.call @_FortranAPushValue(%[[VAL_27]], %[[VAL_34]]) : (!fir.llvm_ptr<i8>, !fir.box<none>) -> none
253+
// CHECK: }
254+
// CHECK: }
255+
// CHECK: fir.do_loop %[[VAL_37:.*]] = %{{.*}} to %[[VAL_4]] step %{{.*}} {
256+
// CHECK: %[[VAL_38:.*]] = hlfir.designate %[[VAL_16]]#0 (%[[VAL_37]]) : (!fir.ref<!fir.array<2x!fir.logical<4>>>, index) -> !fir.ref<!fir.logical<4>>
257+
// CHECK: %[[VAL_39:.*]] = fir.load %[[VAL_38]] : !fir.ref<!fir.logical<4>>
258+
// CHECK: %[[VAL_40:.*]] = fir.convert %[[VAL_39]] : (!fir.logical<4>) -> i1
259+
// CHECK: fir.if %[[VAL_40]] {
260+
// CHECK: %[[VAL_41:.*]] = fir.load %[[VAL_2]] : !fir.ref<i64>
261+
// CHECK: %[[VAL_42:.*]] = arith.addi %[[VAL_41]], %{{.*}} : i64
262+
// CHECK: fir.store %[[VAL_42]] to %[[VAL_2]] : !fir.ref<i64>
263+
// CHECK: %[[VAL_43:.*]] = fir.convert %[[VAL_1]] : (!fir.ref<!fir.box<!fir.heap<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>>) -> !fir.ref<!fir.box<none>>
264+
// CHECK: %[[VAL_44:.*]] = fir.call @_FortranAValueAt(%[[VAL_27]], %[[VAL_41]], %[[VAL_43]]) : (!fir.llvm_ptr<i8>, i64, !fir.ref<!fir.box<none>>) -> none
265+
// CHECK: %[[VAL_45:.*]] = fir.load %[[VAL_1]] : !fir.ref<!fir.box<!fir.heap<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>>
266+
// CHECK: %[[VAL_46:.*]] = fir.box_addr %[[VAL_45]] : (!fir.box<!fir.heap<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>) -> !fir.heap<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
267+
// CHECK: %[[VAL_47:.*]] = hlfir.designate %[[VAL_8]]#0 (%[[VAL_37]]) : (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, index) -> !fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
268+
// CHECK: %[[VAL_48:.*]] = fir.convert %[[VAL_46]] : (!fir.heap<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
269+
// CHECK: %[[VAL_49:.*]] = fir.embox %[[VAL_47]] : (!fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
270+
// CHECK: %[[VAL_50:.*]] = fir.convert %[[VAL_49]] : (!fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.class<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
271+
// CHECK: %[[VAL_51:.*]] = fir.embox %[[VAL_48]] : (!fir.ref<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
272+
// CHECK: %[[VAL_52:.*]] = fir.convert %[[VAL_51]] : (!fir.box<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> !fir.class<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>
273+
// CHECK: fir.call @_QMtypesPassign(%[[VAL_50]], %[[VAL_52]]) fastmath<contract> : (!fir.class<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>, !fir.class<!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>) -> ()
274+
// CHECK: }
275+
// CHECK: }
276+
// CHECK: hlfir.end_associate %[[VAL_16]]#1, %[[VAL_16]]#2 : !fir.ref<!fir.array<2x!fir.logical<4>>>, i1
277+
// CHECK: %[[VAL_53:.*]] = fir.call @_FortranADestroyValueStack(%[[VAL_27]]) : (!fir.llvm_ptr<i8>) -> none
278+
// CHECK: %[[VAL_54:.*]] = fir.embox %[[VAL_5]](%[[VAL_7]]) : (!fir.ref<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>, !fir.shape<1>) -> !fir.box<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>
279+
// CHECK: %[[VAL_55:.*]] = fir.convert %[[VAL_54]] : (!fir.box<!fir.array<2x!fir.type<_QMtypesTud_assign{x:!fir.box<!fir.ptr<i32>>}>>>) -> !fir.box<none>
280+
// CHECK: %[[VAL_56:.*]] = fir.call @_FortranADestroy(%[[VAL_55]]) fastmath<contract> : (!fir.box<none>) -> none
281+
// CHECK: fir.call @llvm.stackrestore.p0(%[[VAL_18]]) fastmath<contract> : (!fir.ref<i8>) -> ()
282+
// CHECK: return
283+
// CHECK: }

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