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! RUN: %flang_fc1 -emit-llvm -o - %s | FileCheck %s
! CHECK-LABEL: unroll_and_jam_dir
subroutine unroll_and_jam_dir
integer :: a(10)
!dir$ unroll_and_jam 4
! CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}
! CHECK-NOT: !llvm.loop
! CHECK: br label {{.*}}, !llvm.loop ![[ANNOTATION:.*]]
do i=1,10
a(i)=i
end do
end subroutine unroll_and_jam_dir
! CHECK-LABEL: unroll_and_jam_dir_0
subroutine unroll_and_jam_dir_0
integer :: a(10)
!dir$ unroll_and_jam 0
! CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}
! CHECK-NOT: !llvm.loop
! CHECK: br label {{.*}}, !llvm.loop ![[ANNOTATION_DISABLE:.*]]
do i=1,10
a(i)=i
end do
end subroutine unroll_and_jam_dir_0
! CHECK-LABEL: unroll_and_jam_dir_1
subroutine unroll_and_jam_dir_1
integer :: a(10)
!dir$ unroll_and_jam 1
! CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}
! CHECK-NOT: !llvm.loop
! CHECK: br label {{.*}}, !llvm.loop ![[ANNOTATION_DISABLE]]
do i=1,10
a(i)=i
end do
end subroutine unroll_and_jam_dir_1
! CHECK-LABEL: nounroll_and_jam_dir
subroutine nounroll_and_jam_dir
integer :: a(10)
!dir$ nounroll_and_jam
! CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}
! CHECK-NOT: !llvm.loop
! CHECK: br label {{.*}}, !llvm.loop ![[ANNOTATION_DISABLE]]
do i=1,10
a(i)=i
end do
end subroutine nounroll_and_jam_dir
! CHECK-LABEL: unroll_and_jam_dir_no_factor
subroutine unroll_and_jam_dir_no_factor
integer :: a(10)
!dir$ unroll_and_jam
! CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}
! CHECK-NOT: !llvm.loop
! CHECK: br label {{.*}}, !llvm.loop ![[ANNOTATION_NO_FACTOR:.*]]
do i=1,10
a(i)=i
end do
end subroutine unroll_and_jam_dir_no_factor
! CHECK: ![[ANNOTATION]] = distinct !{![[ANNOTATION]], ![[UNROLL_AND_JAM:.*]], ![[UNROLL_AND_JAM_COUNT:.*]]}
! CHECK: ![[UNROLL_AND_JAM]] = !{!"llvm.loop.unroll_and_jam.enable"}
! CHECK: ![[UNROLL_AND_JAM_COUNT]] = !{!"llvm.loop.unroll_and_jam.count", i32 4}
! CHECK: ![[ANNOTATION_DISABLE]] = distinct !{![[ANNOTATION_DISABLE]], ![[UNROLL_AND_JAM2:.*]]}
! CHECK: ![[UNROLL_AND_JAM2]] = !{!"llvm.loop.unroll_and_jam.disable"}
! CHECK: ![[ANNOTATION_NO_FACTOR]] = distinct !{![[ANNOTATION_NO_FACTOR]], ![[UNROLL_AND_JAM]]}
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