| Issue |
166821
|
| Summary |
[flang] Enhance PAUSE functionality
|
| Labels |
enhancement,
good first issue,
flang
|
| Assignees |
|
| Reporter |
eugeneepshteyn
|
Currently (as of LLVM commit ee0818a1f1fab4303eeb1263ac1f6b22f3fe2110) flang parses `PAUSE`, `PAUSE <code>`, and `PAUSE 'message'`, but only generic `PAUSE` is hooked up:
```
program pause_test
pause ! default
pause 12 ! with a status code
pause "pause message" ! with a message
end program pause_test
```
Execution with flang:
```
$ flang pause.f90 && ./a.out
Fortran PAUSE: hit RETURN to continue:
Fortran PAUSE: hit RETURN to continue:
Fortran PAUSE: hit RETURN to continue:
```
Need to hook up handling of `PAUSE <code>` and `PAUSE 'message'` in lowering.
Output with gfortran:
```
PAUSE
To resume execution, type go. Other input will terminate the job.
go
RESUMED
PAUSE 12
To resume execution, type go. Other input will terminate the job.
go
RESUMED
PAUSE pause message
To resume execution, type go. Other input will terminate the job.
go
RESUMED
```
Output with ifx:
```
FORTRAN PAUSE
PAUSE prompt>
12
PAUSE prompt>
pause message
PAUSE prompt>
```
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