Remove the ir_to_asm unit tests. (FuelLabs#3074)

Remove the `ir_to_asm` unit tests, replace them with equivalent `sway/test/src/ir_generation` tests (when necessary).

sway-core/Cargo.toml

@@ -23,7 +23,6 @@ im = "15.0"
 itertools = "0.10"
 lazy_static = "1.4"
 petgraph = "0.6"
-prettydiff = "0.5"
 serde = { version = "1.0", features = ["derive"] }
 sha2 = "0.9"
 smallvec = "1.7"

sway-core/src/asm_generation/from_ir.rs

@@ -237,67 +237,3 @@ pub(crate) fn aggregate_idcs_to_field_layout(
             _otherwise => panic!("Attempt to access field in non-aggregate."),
         })
 }
-
-// -------------------------------------------------------------------------------------------------
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use sway_ir::parser::parse;
-
-    use std::path::PathBuf;
-
-    #[test]
-    fn ir_to_asm_tests() {
-        let manifest_dir = env!("CARGO_MANIFEST_DIR");
-        let dir: PathBuf = format!("{}/tests/ir_to_asm", manifest_dir).into();
-        for entry in std::fs::read_dir(dir).unwrap() {
-            // We're only interested in the `.sw` files here.
-            let path = entry.unwrap().path();
-            match path.extension().unwrap().to_str() {
-                Some("ir") => {
-                    //
-                    // Run the tests!
-                    //
-                    println!("---- IR To ASM: {:?} ----", path);
-                    test_ir_to_asm(path);
-                }
-                Some("asm") | Some("disabled") => (),
-                _ => panic!(
-                    "File with invalid extension in tests dir: {:?}",
-                    path.file_name().unwrap_or(path.as_os_str())
-                ),
-            }
-        }
-    }
-
-    fn test_ir_to_asm(mut path: PathBuf) {
-        let input_bytes = std::fs::read(&path).unwrap();
-        let input = String::from_utf8_lossy(&input_bytes);
-
-        path.set_extension("asm");
-
-        let expected_bytes = std::fs::read(&path).unwrap();
-        let expected = String::from_utf8_lossy(&expected_bytes);
-
-        let ir = parse(&input).expect("parsed ir");
-        let asm_result = compile_ir_to_asm(&ir, None);
-
-        let mut warnings = Vec::new();
-        let mut errors = Vec::new();
-        let asm = asm_result.unwrap(&mut warnings, &mut errors);
-        assert!(warnings.is_empty() && errors.is_empty());
-
-        let asm_script = format!("{}", asm);
-        if asm_script != expected {
-            print!(
-                "{}\n{}",
-                path.display(),
-                prettydiff::diff_lines(&expected, &asm_script)
-            );
-            panic!();
-        }
-    }
-}
-
-// =================================================================================================