1! RUN: rm -rf %S/multiple-input-files.txt  %S/Inputs/hello-world.txt
2
3! REQUIRES: new-flang-driver
4
5!--------------------------
6! FLANG DRIVER (flang-new)
7!--------------------------
8! TEST 1: Both input files are processed (output is printed to stdout)
9! RUN: %flang-new -test-io %s %S/Inputs/hello-world.f90 | FileCheck %s --match-full-lines -check-prefix=FLANG
10
11! TEST 2: None of the files is processed (not possible to specify the output file when multiple input files are present)
12! RUN: not %flang-new -test-io -o - %S/Inputs/hello-world.f90 %s  2>&1 | FileCheck %s --match-full-lines -check-prefix=ERROR
13! RUN: not %flang-new -test-io -o %t %S/Inputs/hello-world.f90 %s 2>&1 | FileCheck %s --match-full-lines -check-prefix=ERROR
14
15!----------------------------------------
16! FLANG FRONTEND DRIVER (flang-new -fc1)
17!----------------------------------------
18! TEST 3: Both input files are processed
19! RUN: %flang-new -fc1 -test-io  %S/Inputs/hello-world.f90 %s 2>&1 \
20! RUN:  && FileCheck %s --input-file=%S/multiple-input-files.txt --match-full-lines -check-prefix=FC1-OUTPUT1 \
21! RUN:  && FileCheck %s --input-file=%S/Inputs/hello-world.txt --match-full-lines -check-prefix=FC1-OUTPUT2
22
23! TEST 4: Only the last input file is processed
24! RUN: %flang-new -fc1 -test-io %s %S/Inputs/hello-world.f90 -o %t 2>&1 \
25! RUN:  && FileCheck %s --input-file=%t --match-full-lines -check-prefix=FC1-OUTPUT3
26
27!-----------------------
28! EXPECTED OUTPUT
29!-----------------------
30! TEST 1: By default, `flang-new` prints the output from all input files to
31! stdout
32! FLANG-LABEL: Program arithmetic
33! FLANG-NEXT:    Integer :: i, j
34! FLANG-NEXT:    i = 2; j = 3; i= i * j;
35! FLANG-NEXT:  End Program arithmetic
36! FLANG-NEXT:!This is a test file with a hello world in Fortran
37! FLANG-NEXT:program hello
38! FLANG-NEXT:  implicit none
39! FLANG-NEXT:  write(*,*) 'Hello world!'
40! FLANG-NEXT:end program hello
41
42! TEST 2: `-o` does not work for `flang-new` when multiple input files are present
43! ERROR: flang-new: error: cannot specify -o when generating multiple output files
44
45! TEST 3: The output file _was not_ specified - `flang-new -fc1` will process all
46! input files and generate one output file for every input file.
47! FC1-OUTPUT1-LABEL: Program arithmetic
48! FC1-OUTPUT1-NEXT:    Integer :: i, j
49! FC1-OUTPUT1-NEXT:    i = 2; j = 3; i= i * j;
50! FC1-OUTPUT1-NEXT:  End Program arithmetic
51
52! FC1-OUTPUT2-LABEL:!This is a test file with a hello world in Fortran
53! FC1-OUTPUT2-NEXT:program hello
54! FC1-OUTPUT2-NEXT:  implicit none
55! FC1-OUTPUT2-NEXT:  write(*,*) 'Hello world!'
56! FC1-OUTPUT2-NEXT:end program hello
57
58! TEST 4: The output file _was_ specified - `flang-new -fc1` will process only
59! the last input file and generate the corresponding output.
60! FC1-OUTPUT3-LABEL:!This is a test file with a hello world in Fortran
61! FC1-OUTPUT3-NEXT:program hello
62! FC1-OUTPUT3-NEXT:  implicit none
63! FC1-OUTPUT3-NEXT:  write(*,*) 'Hello world!'
64! FC1-OUTPUT3-NEXT:end program hello
65
66
67Program arithmetic
68  Integer :: i, j
69  i = 2; j = 3; i= i * j;
70End Program arithmetic
71