50 lines
1.4 KiB
Rust
50 lines
1.4 KiB
Rust
/*
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* Released under the terms of the Apache 2.0 license with LLVM
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* exception. See `LICENSE` for details.
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*/
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#![no_main]
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use regalloc2::fuzzing::arbitrary::{Arbitrary, Result, Unstructured};
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use regalloc2::fuzzing::checker::Checker;
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use regalloc2::fuzzing::func::{Func, Options};
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use regalloc2::fuzzing::fuzz_target;
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#[derive(Clone, Debug)]
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struct TestCase {
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func: Func,
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}
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impl Arbitrary<'_> for TestCase {
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fn arbitrary(u: &mut Unstructured) -> Result<TestCase> {
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Ok(TestCase {
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func: Func::arbitrary_with_options(
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u,
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&Options {
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reused_inputs: true,
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fixed_regs: true,
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fixed_nonallocatable: true,
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clobbers: true,
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control_flow: true,
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reducible: false,
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block_params: true,
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always_local_uses: false,
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reftypes: true,
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},
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)?,
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})
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}
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}
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fuzz_target!(|testcase: TestCase| {
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let func = testcase.func;
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let _ = env_logger::try_init();
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log::trace!("func:\n{:?}", func);
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let env = regalloc2::fuzzing::func::machine_env();
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let out = regalloc2::fuzzing::ion::run(&func, &env, true, false, true)
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.expect("regalloc did not succeed");
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let mut checker = Checker::new(&func, &env);
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checker.prepare(&out);
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checker.run().expect("checker failed");
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});
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