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[flang] Enable delayed localization by default for do concurrent #144074

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Merged
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Jun 17, 2025
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[flang] Enable delayed localization by default for do concurrent #144074

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6 changes: 1 addition & 5 deletions flang/lib/Lower/Bridge.cpp
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Expand Up @@ -2033,11 +2033,7 @@ class FirConverter : public Fortran::lower::AbstractConverter {
fir::LocalitySpecifierOperands privateClauseOps;
auto doConcurrentLoopOp =
mlir::dyn_cast_if_present<fir::DoConcurrentLoopOp>(info.loopOp);
// TODO Promote to using `enableDelayedPrivatization` (which is enabled by
// default unlike the staging flag) once the implementation of this is more
// complete.
bool useDelayedPriv =
enableDelayedPrivatizationStaging && doConcurrentLoopOp;
bool useDelayedPriv = enableDelayedPrivatization && doConcurrentLoopOp;
llvm::SetVector<const Fortran::semantics::Symbol *> allPrivatizedSymbols;
llvm::SmallSet<const Fortran::semantics::Symbol *, 16> mightHaveReadHostSym;

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2 changes: 1 addition & 1 deletion flang/test/Lower/do_concurrent_delayed_locality.f90
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@@ -1,4 +1,4 @@
! RUN: %flang_fc1 -emit-hlfir -mmlir --enable-delayed-privatization-staging=true -o - %s | FileCheck %s
! RUN: %flang_fc1 -emit-hlfir -o - %s | FileCheck %s

subroutine do_concurrent_with_locality_specs
implicit none
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2 changes: 1 addition & 1 deletion flang/test/Lower/do_concurrent_local_assoc_entity.f90
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@@ -1,4 +1,4 @@
! RUN: %flang_fc1 -emit-hlfir -mmlir --enable-delayed-privatization-staging=true -o - %s | FileCheck %s
! RUN: %flang_fc1 -emit-hlfir -o - %s | FileCheck %s

subroutine local_assoc
implicit none
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2 changes: 1 addition & 1 deletion flang/test/Lower/do_concurrent_local_default_init.f90
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@@ -1,5 +1,5 @@
! Test default initialization of DO CONCURRENT LOCAL() entities.
! RUN: bbc -emit-hlfir --enable-delayed-privatization-staging=true -I nowhere -o - %s | FileCheck %s
! RUN: bbc -emit-hlfir -I nowhere -o - %s | FileCheck %s

subroutine test_ptr(p)
interface
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2 changes: 1 addition & 1 deletion flang/test/Lower/loops.f90
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@@ -1,4 +1,4 @@
! RUN: bbc -emit-fir -hlfir=false -o - %s | FileCheck %s
! RUN: bbc -emit-fir -hlfir=false --enable-delayed-privatization=false -o - %s | FileCheck %s

! CHECK-LABEL: loop_test
subroutine loop_test
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2 changes: 1 addition & 1 deletion flang/test/Lower/loops3.f90
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@@ -1,5 +1,5 @@
! Test do concurrent reduction
! RUN: bbc -emit-fir -hlfir=false -o - %s | FileCheck %s
! RUN: bbc -emit-fir -hlfir=false --enable-delayed-privatization=false -o - %s | FileCheck %s

! CHECK-LABEL: loop_test
subroutine loop_test
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