| 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_unary_neg_and_abs_bodies() { |
| 32 | let source = fixture("do_loop_vectorize_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 | assert!( |
| 43 | o3_ir.contains("vneg") && o3_ir.contains("vabs"), |
| 44 | "expected NeonVectorize to emit both vneg and vabs:\n{}", |
| 45 | o3_ir |
| 46 | ); |
| 47 | |
| 48 | // Runtime: see fixture comments for expected values. |
| 49 | let stdout = capture_run_stdout(CaptureRequest { |
| 50 | input: source, |
| 51 | requested: BTreeSet::from([Stage::Run]), |
| 52 | opt_level: OptLevel::O3, |
| 53 | }); |
| 54 | let trimmed: Vec<&str> = stdout |
| 55 | .lines() |
| 56 | .map(|l| l.trim()) |
| 57 | .filter(|l| !l.is_empty()) |
| 58 | .collect(); |
| 59 | assert_eq!(trimmed.len(), 5, "expected five output lines:\n{}", stdout); |
| 60 | // n(1) = -b(1) = -(1-16) = 15 |
| 61 | assert!(trimmed[0].starts_with("1.5"), "n(1) should be 15, got {:?}", trimmed[0]); |
| 62 | // n(32) = -b(32) = -(32-16) = -16 |
| 63 | assert!(trimmed[1].starts_with("-1.6"), "n(32) should be -16, got {:?}", trimmed[1]); |
| 64 | // a(1) = abs(-15) = 15 |
| 65 | assert!(trimmed[2].starts_with("1.5"), "a(1) should be 15, got {:?}", trimmed[2]); |
| 66 | // a(16) = abs(0) = 0 |
| 67 | assert!(trimmed[3].starts_with("0.0"), "a(16) should be 0, got {:?}", trimmed[3]); |
| 68 | // a(32) = abs(16) = 16 |
| 69 | assert!(trimmed[4].starts_with("1.6"), "a(32) should be 16, got {:?}", trimmed[4]); |
| 70 | } |
| 71 |