Rust · 2641 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_unary_body_assignments() {
32 let source = fixture("do_loop_vectorize_where_unary.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 two WHERE blocks should each emit a vselect.
43 assert_eq!(
44 o3_ir.matches("vselect").count(),
45 2,
46 "expected 2 vselect:\n{}",
47 o3_ir
48 );
49 // The unary operations should appear as VNeg / VAbs in the IR.
50 assert!(
51 o3_ir.contains("vneg") || o3_ir.contains("VNeg"),
52 "expected vneg lifted from unary in WHERE body:\n{}",
53 o3_ir
54 );
55 assert!(
56 o3_ir.contains("vabs") || o3_ir.contains("VAbs"),
57 "expected vabs lifted from unary 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(), 2, "expected two output lines:\n{}", stdout);
72 let neg_line = "1.0000000E0 1.6000000E1 -1.0000000E0 -1.6000000E1";
73 let abs_line = "1.5000000E1 1.0000000E0 1.6000000E1 3.2000000E1";
74 assert_eq!(trimmed[0], neg_line, "neg WHERE wrong: {:?}", trimmed[0]);
75 assert_eq!(trimmed[1], abs_line, "abs WHERE wrong: {:?}", trimmed[1]);
76 }
77