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[OpenMP][Flang]Add support for modifiers monotonic and non-monotonic #791

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merged 5 commits into from
Jul 23, 2021
Merged

[OpenMP][Flang]Add support for modifiers monotonic and non-monotonic #791

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235e0f5
[OpenMP IRBuilder, MLIR] Add support for OpenMP do schedule dynamic
Leporacanthicus Apr 16, 2021
a4473cb
[OpenMP][MLIR]Add support for guided, auto and runtime scheduling
Leporacanthicus May 10, 2021
b80f391
[OpenMP]Add support for workshare loop modifier in lowering
Leporacanthicus Apr 30, 2021
9054e8a
[Flang][OpenMP]Support for modifiers in workshare loops
Leporacanthicus Apr 6, 2021
cba7222
[Flang][OpenMP] Add support for SIMD modifier
Leporacanthicus May 26, 2021
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66 changes: 66 additions & 0 deletions flang/lib/Lower/OpenMP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -336,6 +336,67 @@ genOMP(Fortran::lower::AbstractConverter &converter,
}
}

static mlir::omp::ScheduleModifier
translateModifier(const Fortran::parser::OmpScheduleModifierType &m) {
switch (m.v) {
case Fortran::parser::OmpScheduleModifierType::ModType::Monotonic:
return mlir::omp::ScheduleModifier::monotonic;
case Fortran::parser::OmpScheduleModifierType::ModType::Nonmonotonic:
return mlir::omp::ScheduleModifier::nonmonotonic;
case Fortran::parser::OmpScheduleModifierType::ModType::Simd:
return mlir::omp::ScheduleModifier::simd;
}
return mlir::omp::ScheduleModifier::none;
}

static mlir::omp::ScheduleModifier
getScheduleModifiers(const Fortran::parser::OmpScheduleClause &x) {
const auto &modifier =
std::get<std::optional<Fortran::parser::OmpScheduleModifier>>(x.t);
// The input may have the modifier any order, so we look for one that isn't
// SIMD. If modifier is not set at all, fall down to the bottom and return
// "none".
if (modifier) {
const auto &modType1 =
std::get<Fortran::parser::OmpScheduleModifier::Modifier1>(modifier->t);
if (modType1.v.v ==
Fortran::parser::OmpScheduleModifierType::ModType::Simd) {
const auto &modType2 = std::get<
std::optional<Fortran::parser::OmpScheduleModifier::Modifier2>>(
modifier->t);
if (modType2->v.v !=
Fortran::parser::OmpScheduleModifierType::ModType::Simd)
return translateModifier(modType2->v);
}

return translateModifier(modType1.v);
}
return mlir::omp::ScheduleModifier::none;
}

static mlir::omp::ScheduleModifier
getSIMDModifier(const Fortran::parser::OmpScheduleClause &x) {
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Can this function be combined with getScheduleModifier?

const auto &modifier =
std::get<std::optional<Fortran::parser::OmpScheduleModifier>>(x.t);
// Either of the two possible modifiers in the input can be the SIMD modifier,
// so look in either one, and return simd if we find one. Not found = return
// "none".
if (modifier) {
const auto &modType1 =
std::get<Fortran::parser::OmpScheduleModifier::Modifier1>(modifier->t);
if (modType1.v.v == Fortran::parser::OmpScheduleModifierType::ModType::Simd)
return mlir::omp::ScheduleModifier::simd;

const auto &modType2 = std::get<
std::optional<Fortran::parser::OmpScheduleModifier::Modifier2>>(
modifier->t);
if (modType2->v.v ==
Fortran::parser::OmpScheduleModifierType::ModType::Simd)
return mlir::omp::ScheduleModifier::simd;
}
return mlir::omp::ScheduleModifier::none;
}

static void genOMP(Fortran::lower::AbstractConverter &converter,
Fortran::lower::pft::Evaluation &eval,
const Fortran::parser::OpenMPLoopConstruct &loopConstruct) {
Expand Down Expand Up @@ -479,6 +540,11 @@ static void genOMP(Fortran::lower::AbstractConverter &converter,
omp::ClauseScheduleKind::Runtime)));
break;
}
wsLoopOp.schedule_modifiersAttr(
firOpBuilder.getStringAttr(omp::stringifyScheduleModifier(
getScheduleModifiers(scheduleClause->v))));
wsLoopOp.simd_modifierAttr(firOpBuilder.getStringAttr(
omp::stringifyScheduleModifier(getSIMDModifier(scheduleClause->v))));
}
}
// In FORTRAN `nowait` clause occur at the end of `omp do` directive.
Expand Down
102 changes: 102 additions & 0 deletions flang/test/Lower/OpenMP/omp-wsloop-dynamic.f90
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@@ -0,0 +1,102 @@
! This test checks lowering of OpenMP DO Directive(Worksharing).

! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: FileCheck %s --check-prefix=FIRDialect
! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: tco --disable-llvm --print-ir-after=fir-to-llvm-ir 2>&1 | \
! RUN: FileCheck %s --check-prefix=LLVMIRDialect
! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: tco | FileCheck %s --check-prefix=LLVMIR

program wsloop_dynamic
integer :: i
!FIRDialect: func @_QQmain()
!LLVMIRDialect: func @_QQmain()

!LLVMIR: define void @_QQmain()
!LLVMIR:call i32 @__kmpc_global_thread_num{{.*}}
!LLVMIR: br label %omp_parallel

!$OMP PARALLEL
!FIRDialect-LABLEL: omp.parallel {
!LLVMIRDialect-LABLEL: omp.parallel {

!LLVMIR: omp_parallel: ; preds = %0
!LLVMIR: @__kmpc_fork_call
!$OMP DO SCHEDULE(dynamic)
!FIRDialect: %[[WS_LB:.*]] = constant 1 : i32
!FIRDialect: %[[WS_UB:.*]] = constant 9 : i32
!FIRDialect: %[[WS_STEP:.*]] = constant 1 : i32
!FIRDialect: omp.wsloop (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) step (%[[WS_STEP]]) schedule(dynamic, none) nowait inclusive

!LLVMIRDialect: %[[WS_UB:.*]] = llvm.mlir.constant(9 : i32) : i32
!LLVMIRDialect: %[[WS_LB_STEP:.*]] = llvm.mlir.constant(1 : i32) : i32
!LLVMIRDialect: omp.wsloop (%[[I:.*]]) : i32 = (%[[WS_LB_STEP]]) to (%[[WS_UB]]) step (%[[WS_LB_STEP]]) schedule(dynamic, none) nowait inclusive

!LLVMIR: define internal void @_QQmain..omp_par
!LLVMIR: omp.par.entry:
!LLVMIR: br label %omp.par.region
!LLVMIR: omp.par.outlined.exit.exitStub: ; preds = %omp.par.pre_finalize
!LLVMIR: ret void
!LLVMIR: omp.par.region: ; preds = %omp.par.entry
!LLVMIR: br label %omp.par.region1
!LLVMIR: omp.par.region1: ; preds = %omp.par.region
!LLVMIR: br label %omp_loop.preheader
!LLVMIR: omp_loop.preheader: ; preds = %omp.par.region1
!LLVMIR: @__kmpc_global_thread_num
!LLVMIR: @__kmpc_dispatch_init_4u(%struct.ident_t* @{{.*}}, i32 %omp_global_thread_num{{.*}}, i32 35, i32 {{.*}}, i32 {{.*}}, i32 {{.*}}, i32 {{.*}})
!LLVMIR: br label %omp_loop.preheader.outer.cond
!LLVMIR: omp_loop.preheader.outer.cond:
!LLVMIR: @__kmpc_dispatch_next_4u
!LLVMIR: %{{.*}} = icmp ne i32 %{{.*}}, 0
!LLVMIR: %{{.*}} = load i32, i32* %p.lowerbound, align 4
!LLVMIR: %{{.*}} = sub i32 %{{.*}}, 1
!LLVMIR: br i1 %{{.*}}, label %omp_loop.header, label %omp_loop.exit
!LLVMIR: omp_loop.exit: ; preds = %omp_loop.preheader.outer.cond
!LLVMIR: br label %omp_loop.after
!LLVMIR: omp_loop.header: ; preds = %omp_loop.preheader.outer.cond, %omp_loop.inc
!LLVMIR: %omp_loop.iv = phi i32 [ %lb, %omp_loop.preheader.outer.cond ], [ %omp_loop.next, %omp_loop.inc ]

do i=1, 9
print*, i
!FIRDialect: %[[RTBEGIN:.*]] = fir.call @_FortranAioBeginExternalListOutput
!FIRDialect: %[[CONVERTED:.*]] = fir.convert %[[I]] : (i32) -> i64
!FIRDialect: fir.call @_FortranAioOutputInteger64(%[[RTBEGIN]], %[[CONVERTED]]) : (!fir.ref<i8>, i64) -> i1
!FIRDialect: fir.call @_FortranAioEndIoStatement(%[[RTBEGIN]]) : (!fir.ref<i8>) -> i32


!LLVMIRDialect: llvm.call @_FortranAioBeginExternalListOutput(%{{.*}}, %{{.*}}, %{{.*}}) : (i32, !llvm.ptr<i8>, i32) -> !llvm.ptr<i8>
!LLVMIRDialect: %{{.*}} = llvm.sext %arg0 : i32 to i64
!LLVMIRDialect: llvm.call @_FortranAioOutputInteger64(%{{.*}}, %{{.*}}) : (!llvm.ptr<i8>, i64) -> i1
!LLVMIRDialect: llvm.call @_FortranAioEndIoStatement(%{{.*}}) : (!llvm.ptr<i8>) -> i32

!LLVMIR: br label %omp_loop.cond
!LLVMIR: omp_loop.cond: ; preds = %omp_loop.header
!LLVMIR %{{.*}} = load i32, i32* %{{.*}}, aling {{.*}}
!LLVMIR: %omp_loop.cmp = icmp ult i32 %{{.*}}, %{{.*}}
!LLVMIR: br i1 %omp_loop.cmp, label %omp_loop.body, label %omp_loop.preheader.outer.cond
!LLVMIR: omp_loop.body: ; preds = %omp_loop.cond
!LLVMIR: %{{.*}} = mul i32 %{{.*}}, 1
!LLVMIR: %{{.*}} = add i32 %{{.*}}, 1
!LLVMIR: br label %omp.wsloop.region
!LLVMIR: omp.wsloop.region: ; preds = %omp_loop.body
!LLVMIR: %{{.*}} = call i8* @_FortranAioBeginExternalListOutput
!LLVMIR: %{{.*}} = sext i32 %{{.*}} to i64
!LLVMIR: %{{.*}} = call i1 @_FortranAioOutputInteger64
!LLVMIR: %{{.*}} = call i32 @_FortranAioEndIoStatement

end do
!FIRDialect: omp.yield
!FIRDialect: }
!FIRDialect: omp.terminator
!FIRDialect: }

!LLVMIRDialect: omp.yield
!LLVMIRDialect: }
!LLVMIRDialect: omp.terminator
!LLVMIRDialect: }
!LLVMIRDialect: llvm.return
!LLVMIRDialect: }
!$OMP END DO NOWAIT
!$OMP END PARALLEL
end
100 changes: 100 additions & 0 deletions flang/test/Lower/OpenMP/omp-wsloop-monotonic.f90
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Original file line number Diff line number Diff line change
@@ -0,0 +1,100 @@
! This test checks lowering of OpenMP DO Directive(Worksharing).

! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: FileCheck %s --check-prefix=FIRDialect
! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: tco --disable-llvm --print-ir-after=fir-to-llvm-ir 2>&1 | \
! RUN: FileCheck %s --check-prefix=LLVMIRDialect
! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: tco | FileCheck %s --check-prefix=LLVMIR

program wsloop_dynamic
integer :: i
!FIRDialect: func @_QQmain()
!LLVMIRDialect: func @_QQmain()

!LLVMIR: define void @_QQmain()
!LLVMIR:call i32 @__kmpc_global_thread_num{{.*}}
!LLVMIR: br label %omp_parallel

!$OMP PARALLEL
!FIRDialect-LABLEL: omp.parallel {
!LLVMIRDialect-LABLEL: omp.parallel {

!LLVMIR: omp_parallel: ; preds = %0
!LLVMIR: @__kmpc_fork_call
!$OMP DO SCHEDULE(monotonic:dynamic)
!FIRDialect: %[[WS_LB:.*]] = constant 1 : i32
!FIRDialect: %[[WS_UB:.*]] = constant 9 : i32
!FIRDialect: %[[WS_STEP:.*]] = constant 1 : i32
!FIRDialect: omp.wsloop (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) step (%[[WS_STEP]]) schedule(dynamic, monotonic) nowait inclusive

!LLVMIRDialect: %[[WS_UB:.*]] = llvm.mlir.constant(9 : i32) : i32
!LLVMIRDialect: %[[WS_LB_STEP:.*]] = llvm.mlir.constant(1 : i32) : i32
!LLVMIRDialect: omp.wsloop (%[[I:.*]]) : i32 = (%[[WS_LB_STEP]]) to (%[[WS_UB]]) step (%[[WS_LB_STEP]]) schedule(dynamic, monotonic) nowait inclusive

!LLVMIR: define internal void @_QQmain..omp_par
!LLVMIR: omp.par.entry:
!LLVMIR: br label %omp.par.region
!LLVMIR: omp.par.outlined.exit.exitStub: ; preds = %omp.par.pre_finalize
!LLVMIR: ret void
!LLVMIR: omp.par.region: ; preds = %omp.par.entry
!LLVMIR: br label %omp.par.region1
!LLVMIR: omp.par.region1: ; preds = %omp.par.region
!LLVMIR: br label %omp_loop.preheader
!LLVMIR: omp_loop.preheader: ; preds = %omp.par.region1
!LLVMIR: @__kmpc_global_thread_num
!LLVMIR: @__kmpc_dispatch_init_4u(%struct.ident_t* @{{.*}}, i32 %omp_global_thread_num{{.*}}, i32 536870947, i32 {{.*}}, i32 {{.*}}, i32 {{.*}}, i32 {{.*}})
!LLVMIR: br label %omp_loop.preheader.outer.cond
!LLVMIR: omp_loop.preheader.outer.cond:
!LLVMIR: @__kmpc_dispatch_next_4u
!LLVMIR: %{{.*}} = icmp ne i32 %{{.*}}, 0
!LLVMIR: %{{.*}} = load i32, i32* %p.lowerbound, align 4
!LLVMIR: %{{.*}} = sub i32 %{{.*}}, 1
!LLVMIR: br i1 %{{.*}}, label %omp_loop.header, label %omp_loop.exit
!LLVMIR: omp_loop.exit: ; preds = %omp_loop.preheader.outer.cond
!LLVMIR: br label %omp_loop.after
!LLVMIR: omp_loop.header: ; preds = %omp_loop.preheader.outer.cond, %omp_loop.inc
!LLVMIR: %omp_loop.iv = phi i32 [ %lb, %omp_loop.preheader.outer.cond ], [ %omp_loop.next, %omp_loop.inc ]

do i=1, 9
print*, i
!FIRDialect: %[[RTBEGIN:.*]] = fir.call @_FortranAioBeginExternalListOutput
!FIRDialect: %[[CONVERTED:.*]] = fir.convert %[[I]] : (i32) -> i64
!FIRDialect: fir.call @_FortranAioOutputInteger64(%[[RTBEGIN]], %[[CONVERTED]]) : (!fir.ref<i8>, i64) -> i1
!FIRDialect: fir.call @_FortranAioEndIoStatement(%[[RTBEGIN]]) : (!fir.ref<i8>) -> i32


!LLVMIRDialect: llvm.call @_FortranAioBeginExternalListOutput(%{{.*}}, %{{.*}}, %{{.*}}) : (i32, !llvm.ptr<i8>, i32) -> !llvm.ptr<i8>
!LLVMIRDialect: %{{.*}} = llvm.sext %[[I]] : i32 to i64
!LLVMIRDialect: llvm.call @_FortranAioOutputInteger64(%{{.*}}, %{{.*}}) : (!llvm.ptr<i8>, i64) -> i1
!LLVMIRDialect: llvm.call @_FortranAioEndIoStatement(%{{.*}}) : (!llvm.ptr<i8>) -> i32

!LLVMIR: br label %omp_loop.cond
!LLVMIR: omp_loop.cond: ; preds = %omp_loop.header
!LLVMIR %{{.*}} = load i32, i32* %{{.*}}, aling {{.*}}
!LLVMIR: %omp_loop.cmp = icmp ult i32 %{{.*}}, %{{.*}}
!LLVMIR: br i1 %omp_loop.cmp, label %omp_loop.body, label %omp_loop.preheader.outer.cond
!LLVMIR: omp_loop.body: ; preds = %omp_loop.cond
!LLVMIR: %{{.*}} = mul i32 %{{.*}}, 1
!LLVMIR: %{{.*}} = add i32 %{{.*}}, 1
!LLVMIR: br label %omp.wsloop.region
!LLVMIR: omp.wsloop.region: ; preds = %omp_loop.body
!LLVMIR: %{{.*}} = call i8* @_FortranAioBeginExternalListOutput
!LLVMIR: %{{.*}} = sext i32 %{{.*}} to i64
!LLVMIR: %{{.*}} = call i1 @_FortranAioOutputInteger64
!LLVMIR: %{{.*}} = call i32 @_FortranAioEndIoStatement

end do
!FIRDialect: omp.yield
!FIRDialect: omp.terminator
!FIRDialect: }

!LLVMIRDialect: omp.yield
!LLVMIRDialect: omp.terminator
!LLVMIRDialect: }
!LLVMIRDialect: llvm.return
!LLVMIRDialect: }
!$OMP END DO NOWAIT
!$OMP END PARALLEL
end
102 changes: 102 additions & 0 deletions flang/test/Lower/OpenMP/omp-wsloop-nonmonotonic.f90
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Original file line number Diff line number Diff line change
@@ -0,0 +1,102 @@
! This test checks lowering of OpenMP DO Directive(Worksharing).

! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: FileCheck %s --check-prefix=FIRDialect
! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: tco --disable-llvm --print-ir-after=fir-to-llvm-ir 2>&1 | \
! RUN: FileCheck %s --check-prefix=LLVMIRDialect
! RUN: bbc -fopenmp -emit-fir %s -o - | \
! RUN: tco | FileCheck %s --check-prefix=LLVMIR

program wsloop_dynamic
integer :: i
!FIRDialect: func @_QQmain()
!LLVMIRDialect: func @_QQmain()

!LLVMIR: define void @_QQmain()
!LLVMIR:call i32 @__kmpc_global_thread_num{{.*}}
!LLVMIR: br label %omp_parallel

!$OMP PARALLEL
!FIRDialect-LABLEL: omp.parallel {
!LLVMIRDialect-LABLEL: omp.parallel {

!LLVMIR: omp_parallel: ; preds = %0
!LLVMIR: @__kmpc_fork_call
!$OMP DO SCHEDULE(nonmonotonic:dynamic)
!FIRDialect: %[[WS_LB:.*]] = constant 1 : i32
!FIRDialect: %[[WS_UB:.*]] = constant 9 : i32
!FIRDialect: %[[WS_STEP:.*]] = constant 1 : i32
!FIRDialect: omp.wsloop (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) step (%[[WS_STEP]]) schedule(dynamic, nonmonotonic) nowait inclusive

!LLVMIRDialect: %[[WS_UB:.*]] = llvm.mlir.constant(9 : i32) : i32
!LLVMIRDialect: %[[WS_LB_STEP:.*]] = llvm.mlir.constant(1 : i32) : i32
!LLVMIRDialect: omp.wsloop (%[[I:.*]]) : i32 = (%[[WS_LB_STEP]]) to (%[[WS_UB]]) step (%[[WS_LB_STEP]]) schedule(dynamic, nonmonotonic) nowait inclusive

!LLVMIR: define internal void @_QQmain..omp_par
!LLVMIR: omp.par.entry:
!LLVMIR: br label %omp.par.region
!LLVMIR: omp.par.outlined.exit.exitStub: ; preds = %omp.par.pre_finalize
!LLVMIR: ret void
!LLVMIR: omp.par.region: ; preds = %omp.par.entry
!LLVMIR: br label %omp.par.region1
!LLVMIR: omp.par.region1: ; preds = %omp.par.region
!LLVMIR: br label %omp_loop.preheader
!LLVMIR: omp_loop.preheader: ; preds = %omp.par.region1
!LLVMIR: @__kmpc_global_thread_num
!LLVMIR: @__kmpc_dispatch_init_4u(%struct.ident_t* @{{.*}}, i32 %omp_global_thread_num{{.*}}, i32 1073741859, i32 {{.*}}, i32 {{.*}}, i32 {{.*}}, i32 {{.*}})
!LLVMIR: br label %omp_loop.preheader.outer.cond
!LLVMIR: omp_loop.preheader.outer.cond:
!LLVMIR: @__kmpc_dispatch_next_4u
!LLVMIR: %{{.*}} = icmp ne i32 %{{.*}}, 0
!LLVMIR: %{{.*}} = load i32, i32* %p.lowerbound, align 4
!LLVMIR: %{{.*}} = sub i32 %{{.*}}, 1
!LLVMIR: br i1 %{{.*}}, label %omp_loop.header, label %omp_loop.exit
!LLVMIR: omp_loop.exit: ; preds = %omp_loop.preheader.outer.cond
!LLVMIR: br label %omp_loop.after
!LLVMIR: omp_loop.header: ; preds = %omp_loop.preheader.outer.cond, %omp_loop.inc
!LLVMIR: %omp_loop.iv = phi i32 [ %lb, %omp_loop.preheader.outer.cond ], [ %omp_loop.next, %omp_loop.inc ]

do i=1, 9
print*, i
!FIRDialect: %[[RTBEGIN:.*]] = fir.call @_FortranAioBeginExternalListOutput
!FIRDialect: %[[CONVERTED:.*]] = fir.convert %[[I]] : (i32) -> i64
!FIRDialect: fir.call @_FortranAioOutputInteger64(%[[RTBEGIN]], %[[CONVERTED]]) : (!fir.ref<i8>, i64) -> i1
!FIRDialect: fir.call @_FortranAioEndIoStatement(%[[RTBEGIN]]) : (!fir.ref<i8>) -> i32


!LLVMIRDialect: llvm.call @_FortranAioBeginExternalListOutput(%{{.*}}, %{{.*}}, %{{.*}}) : (i32, !llvm.ptr<i8>, i32) -> !llvm.ptr<i8>
!LLVMIRDialect: %{{.*}} = llvm.sext %arg0 : i32 to i64
!LLVMIRDialect: llvm.call @_FortranAioOutputInteger64(%{{.*}}, %{{.*}}) : (!llvm.ptr<i8>, i64) -> i1
!LLVMIRDialect: llvm.call @_FortranAioEndIoStatement(%{{.*}}) : (!llvm.ptr<i8>) -> i32

!LLVMIR: br label %omp_loop.cond
!LLVMIR: omp_loop.cond: ; preds = %omp_loop.header
!LLVMIR %{{.*}} = load i32, i32* %{{.*}}, aling {{.*}}
!LLVMIR: %omp_loop.cmp = icmp ult i32 %{{.*}}, %{{.*}}
!LLVMIR: br i1 %omp_loop.cmp, label %omp_loop.body, label %omp_loop.preheader.outer.cond
!LLVMIR: omp_loop.body: ; preds = %omp_loop.cond
!LLVMIR: %{{.*}} = mul i32 %{{.*}}, 1
!LLVMIR: %{{.*}} = add i32 %{{.*}}, 1
!LLVMIR: br label %omp.wsloop.region
!LLVMIR: omp.wsloop.region: ; preds = %omp_loop.body
!LLVMIR: %{{.*}} = call i8* @_FortranAioBeginExternalListOutput
!LLVMIR: %{{.*}} = sext i32 %{{.*}} to i64
!LLVMIR: %{{.*}} = call i1 @_FortranAioOutputInteger64
!LLVMIR: %{{.*}} = call i32 @_FortranAioEndIoStatement

end do
!FIRDialect: omp.yield
!FIRDialect: }
!FIRDialect: omp.terminator
!FIRDialect: }

!LLVMIRDialect: omp.yield
!LLVMIRDialect: }
!LLVMIRDialect: omp.terminator
!LLVMIRDialect: }
!LLVMIRDialect: llvm.return
!LLVMIRDialect: }
!$OMP END DO NOWAIT
!$OMP END PARALLEL
end
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