Files
wasmtime/cranelift/wasm/tests/wasm_testsuite.rs
Andrew Brown ca6449626f Verify that cranelift-wasm can translate SIMD instructions
To do so we must use a new version of wabt-rs that allows us to enable features (e.g. SIMD) when translating the wasmtests
2019-08-26 16:12:06 -07:00

88 lines
2.9 KiB
Rust

use cranelift_codegen::isa;
use cranelift_codegen::print_errors::pretty_verifier_error;
use cranelift_codegen::settings::{self, Flags};
use cranelift_codegen::verifier;
use cranelift_wasm::{translate_module, DummyEnvironment, ReturnMode};
use std::fs;
use std::fs::File;
use std::io;
use std::io::prelude::*;
use std::path::Path;
use std::str::FromStr;
use target_lexicon::triple;
use wabt::{wat2wasm_with_features, Features};
#[test]
fn testsuite() {
let mut paths: Vec<_> = fs::read_dir("../wasmtests")
.unwrap()
.map(|r| r.unwrap())
.filter(|p| {
// Ignore files starting with `.`, which could be editor temporary files
if let Some(stem) = p.path().file_stem() {
if let Some(stemstr) = stem.to_str() {
return !stemstr.starts_with('.');
}
}
false
})
.collect();
paths.sort_by_key(|dir| dir.path());
let flags = Flags::new(settings::builder());
for path in paths {
let path = path.path();
handle_module(&path, &flags, ReturnMode::NormalReturns);
}
}
#[test]
fn use_fallthrough_return() {
let flags = Flags::new(settings::builder());
handle_module(
Path::new("../wasmtests/use_fallthrough_return.wat"),
&flags,
ReturnMode::FallthroughReturn,
);
}
fn read_file(path: &Path) -> io::Result<Vec<u8>> {
let mut buf: Vec<u8> = Vec::new();
let mut file = File::open(path)?;
file.read_to_end(&mut buf)?;
Ok(buf)
}
fn handle_module(path: &Path, flags: &Flags, return_mode: ReturnMode) {
let data = match path.extension() {
None => {
panic!("the file extension is not wasm or wat");
}
Some(ext) => match ext.to_str() {
Some("wasm") => read_file(path).expect("error reading wasm file"),
Some("wat") => {
let wat = read_file(path).expect("error reading wat file");
let mut features = Features::new();
features.enable_all();
match wat2wasm_with_features(&wat, features) {
Ok(wasm) => wasm,
Err(e) => {
panic!("error converting wat to wasm: {:?}", e);
}
}
}
None | Some(&_) => panic!("the file extension for {:?} is not wasm or wat", path),
},
};
let triple = triple!("riscv64");
let isa = isa::lookup(triple).unwrap().finish(flags.clone());
let mut dummy_environ = DummyEnvironment::new(isa.frontend_config(), return_mode, false);
translate_module(&data, &mut dummy_environ).unwrap();
for func in dummy_environ.info.function_bodies.values() {
verifier::verify_function(func, &*isa)
.map_err(|errors| panic!(pretty_verifier_error(func, Some(&*isa), None, errors)))
.unwrap();
}
}