llvm-alt 0.5.0

A wrapper for LLVM, a powerful library and toolkit for compilers
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extern crate llvm;
use llvm::*;
use llvm::Attribute::*;
#[test]
fn test_function_attributes() {
    let ctx = Context::new();
    let module = Module::new("simple", &ctx);
    let func = module.add_function("main", Type::get::<fn() -> ()>(&ctx));
    assert!(!func.has_attributes(&[NoUnwind, ReadNone]));
    func.add_attributes(&[NoUnwind, ReadNone]);
    assert!(func.has_attributes(&[NoUnwind, ReadNone]));
    func.remove_attribute(NoUnwind);
    assert!(!func.has_attribute(NoUnwind));
    assert!(func.has_attribute(ReadNone));
}

#[test]
fn test_argument_attributes() {
    let ctx = Context::new();
    let module = Module::new("simple", &ctx);
    let func = module.add_function("main", Type::get::<fn(f64) -> ()>(&ctx));
    let x = &func[0];
    assert!(!x.has_attributes(&[ByVal, InReg]));
    x.add_attributes(&[ByVal, InReg]);
    assert!(x.has_attributes(&[ByVal, InReg]));
    x.remove_attribute(ByVal);
    assert!(!x.has_attribute(ByVal));
    assert!(x.has_attribute(InReg));
}