Rust · 2452 bytes Raw Blame History
1 use std::collections::BTreeSet;
2 use std::path::PathBuf;
3
4 use armfortas::driver::OptLevel;
5 use armfortas::testing::{capture_from_path, CaptureRequest, CapturedStage, Stage};
6
7 fn fixture(name: &str) -> PathBuf {
8 let path = PathBuf::from("test_programs").join(name);
9 assert!(path.exists(), "missing test fixture {}", path.display());
10 path
11 }
12
13 fn capture_text(request: CaptureRequest, stage: Stage) -> String {
14 let result = capture_from_path(&request).expect("capture should succeed");
15 match result.get(stage) {
16 Some(CapturedStage::Text(text)) => text.clone(),
17 Some(CapturedStage::Run(_)) => panic!("expected text stage for {}", stage.as_str()),
18 None => panic!("missing requested stage {}", stage.as_str()),
19 }
20 }
21
22 fn capture_run_stdout(request: CaptureRequest) -> String {
23 let result = capture_from_path(&request).expect("capture should succeed");
24 match result.get(Stage::Run) {
25 Some(CapturedStage::Run(run)) => run.stdout.clone(),
26 _ => panic!("missing run stage"),
27 }
28 }
29
30 #[test]
31 fn o3_vectorizes_where_with_array_plus_array_body() {
32 let source = fixture("do_loop_vectorize_where_2arr.f90");
33
34 let o3_ir = capture_text(
35 CaptureRequest {
36 input: source.clone(),
37 requested: BTreeSet::from([Stage::OptIr]),
38 opt_level: OptLevel::O3,
39 },
40 Stage::OptIr,
41 );
42 // The array+array WHERE body must lower to two vloads (a and b)
43 // feeding a vadd that drives vselect's true arm.
44 assert_eq!(
45 o3_ir.matches("vselect").count(),
46 1,
47 "expected exactly one vselect:\n{}",
48 o3_ir
49 );
50 assert!(
51 o3_ir.matches("vload").count() >= 3,
52 "expected >=3 vload (a, dest, b):\n{}",
53 o3_ir
54 );
55 assert!(
56 o3_ir.contains("vadd"),
57 "expected vadd lifted from a+b in WHERE body:\n{}",
58 o3_ir
59 );
60
61 let stdout = capture_run_stdout(CaptureRequest {
62 input: source,
63 requested: BTreeSet::from([Stage::Run]),
64 opt_level: OptLevel::O3,
65 });
66 let trimmed: Vec<&str> = stdout
67 .lines()
68 .map(|l| l.trim())
69 .filter(|l| !l.is_empty())
70 .collect();
71 assert_eq!(trimmed.len(), 1, "expected one output line:\n{}", stdout);
72 assert_eq!(
73 trimmed[0],
74 "1.0000000E0 1.6000000E1 1.0100000E2 1.1600000E2",
75 "array+array WHERE wrong: {:?}",
76 trimmed[0]
77 );
78 }
79