forked from OSchip/llvm-project
67 lines
1.5 KiB
Fortran
67 lines
1.5 KiB
Fortran
! RUN: bbc %s -emit-fir -o - | FileCheck %s
|
|
|
|
! Test trivial goto statement
|
|
subroutine sub1()
|
|
goto 1
|
|
1 stop
|
|
end subroutine
|
|
! CHECK-LABEL: sub1
|
|
! CHECK: cf.br ^[[BB1:.*]]
|
|
! CHECK: ^[[BB1]]:
|
|
! CHECK: {{.*}} fir.call @_FortranAStopStatement({{.*}}, {{.*}}, {{.*}}) : (i32, i1, i1) -> none
|
|
! CHECK: }
|
|
|
|
! Test multiple goto statements
|
|
subroutine sub2()
|
|
goto 1
|
|
1 goto 2
|
|
2 goto 3
|
|
3 stop
|
|
end subroutine
|
|
! CHECK-LABEL: sub2
|
|
! CHECK: cf.br ^[[BB1:.*]]
|
|
! CHECK: ^[[BB1]]:
|
|
! CHECK: cf.br ^[[BB2:.*]]
|
|
! CHECK: ^[[BB2]]:
|
|
! CHECK: cf.br ^[[BB3:.*]]
|
|
! CHECK: ^[[BB3]]:
|
|
! CHECK: {{.*}} fir.call @_FortranAStopStatement({{.*}}, {{.*}}, {{.*}}) : (i32, i1, i1) -> none
|
|
! CHECK: }
|
|
|
|
! Test goto which branches to a previous label
|
|
subroutine sub3()
|
|
pause
|
|
1 goto 3
|
|
2 stop
|
|
3 goto 2
|
|
end subroutine
|
|
! CHECK: sub3
|
|
! CHECK: {{.*}} fir.call @_FortranAPauseStatement() : () -> none
|
|
! CHECK: cf.br ^[[BB2:.*]]
|
|
! CHECK: ^[[BB1:.*]]: //
|
|
! CHECK: {{.*}} fir.call @_FortranAStopStatement({{.*}}, {{.*}}, {{.*}}) : (i32, i1, i1) -> none
|
|
! CHECK: ^[[BB2]]:
|
|
! CHECK: cf.br ^[[BB1]]
|
|
! CHECK: }
|
|
|
|
! Test removal of blocks (pauses) which are not reachable
|
|
subroutine sub4()
|
|
pause
|
|
1 goto 2
|
|
pause
|
|
2 goto 3
|
|
pause
|
|
3 goto 1
|
|
pause
|
|
end subroutine
|
|
! CHECK-LABEL: sub4
|
|
! CHECK: {{.*}} fir.call @_FortranAPauseStatement() : () -> none
|
|
! CHECK-NEXT: cf.br ^[[BB1:.*]]
|
|
! CHECK-NEXT: ^[[BB1]]:
|
|
! CHECK-NEXT: cf.br ^[[BB2:.*]]
|
|
! CHECK-NEXT: ^[[BB2]]:
|
|
! CHECK-NEXT: cf.br ^[[BB3:.*]]
|
|
! CHECK-NEXT: ^[[BB3]]:
|
|
! CHECK-NEXT: cf.br ^[[BB1]]
|
|
! CHECK-NEXT: }
|