public void BasicGlobalVariable_ParseCheck_Expected_Equal()
{
string globalVariableIdentifier = "@my_global_int";
string value = "12345";
var global = new LGlobal(new LValueRef(LType.UInt32Type(), globalVariableIdentifier), value);
Assert.AreEqual($"{globalVariableIdentifier} = {LKeywords.Global} i32 {value}", global.Parse());
}
public void BasicGlobalVariable_CharArray_ParseCheck_Expected_Equal()
{
string globalVariableIdentifier = "@my_global_int";
string value = "c\"Hello World!\00\"";
var global = new LGlobal(new LArrayRef(globalVariableIdentifier, new LValueRef(LType.Int8Type(), ""), 13), value)
{
IsConstant = true
};
Assert.AreEqual($"{globalVariableIdentifier} = {LKeywords.Constant} [13 x i8] {value}", global.Parse());
}
public void BasicGlobalVariable_LocalDoubleArray_ParseCheck_Expected_Equal()
{
string globalVariableIdentifier = "@my_global_double_array";
string value = "[double 1.000000e+03, double 2.000000e+00, double 3.400000e+00, double 7.000000e+00, double 5.000000e+01]";
var global = new LGlobal(new LArrayRef(globalVariableIdentifier, new LValueRef(LType.F64Type(), ""), 5), value)
{
IsConstant = true,
RuntimePreemptionSpecifier = Enums.LRuntimePreemptionSpecifier.dso_local
};
Assert.AreEqual($"{globalVariableIdentifier} = {LKeywords.DsoLocal} {LKeywords.Constant} [5 x double] {value}", global.Parse());
}
public void BasicGlobalVariable_LocalCharArray_ParseCheck_Expected_Equal()
{
string globalVariableIdentifier = "@my_global_char_array";
string value = "c\"Hello World!\00\"";
var global = new LGlobal(new LArrayRef(globalVariableIdentifier, new LValueRef(LType.Int8Type(), ""), 13), value)
{
IsConstant = true,
RuntimePreemptionSpecifier = Enums.LRuntimePreemptionSpecifier.dso_local
};
Assert.AreEqual($"{globalVariableIdentifier} = {LKeywords.DsoLocal} {LKeywords.Constant} [13 x i8] {value}", global.Parse());
}
public void GlobalVariable_IsExternalAndConstant_Expected_Exception()
{
string globalVariableIdentifier = "@my_global_int";
string value = "12345";
var global = new LGlobal(new LValueRef(LType.UInt32Type(), globalVariableIdentifier), value)
{
IsExternal = true
};
Assert.Throws <Exception>(() => {
global.IsConstant = true;
});
}
static void Main(string[] args)
{
string valueIdentifier = "@value";
string value = "c\"Hello World!\\00\"";
var module = new LModule("LLVMHelloWorld");
var func = LFunction.Create("@main", new LValueRef(LType.Int32Type(), ""));
var arrayRef = new LArrayRef(valueIdentifier, new LValueRef(LType.Int8Type(), ""), 13);
// Create char array constant.
var global = new LGlobal(arrayRef, value)
{
IsConstant = true
};
var fnType = new LFunctionType(new LValueRef(LType.Int32Type(), "%printf"), new LPointerRef(new LValueRef(LType.Int8Type(), ""), "%result"))
{
HasVararg = true
};
var external = new LExternal(fnType, "@printf");
var result = new LPointerRef(new LValueRef(LType.Int8Type(), ""), "%result");
var gep = new LGetelementptr(result, global.GetPointerRef());
gep.Indexes.Add((LType.Int32Type(), 0));
gep.Indexes.Add((LType.Int32Type(), 0));
var call = new LCall(fnType, external.FnIdentifier);
var ret = new LRet(new LValueRef(LType.Int32Type(), "0"));
// Create and register entry label
func.Register(new LLabelType("entry"));
// Register function and char array constant to module.
module.Register(global);
module.Register(func);
module.Register(external);
// Register instructions.
func.Register(gep);
func.Register(call);
func.Register(ret);
Console.WriteLine(module.Parse());
}
