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Fix #225: Implement libLLVMSharp custom functions #246

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Fix #225: Implement libLLVMSharp custom functions #246

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4 changes: 4 additions & 0 deletions sources/LLVMSharp.Interop/Extensions/LLVMValueRef.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1161,4 +1161,8 @@ public void SetAlignment(uint Bytes)
public readonly void ViewFunctionCFG() => LLVM.ViewFunctionCFG(this);

public readonly void ViewFunctionCFGOnly() => LLVM.ViewFunctionCFGOnly(this);

public readonly LLVMTypeRef GetFunctionType() => LLVM.TypeOf(this);

public readonly LLVMTypeRef GetReturnType() => LLVM.GetReturnType(LLVM.TypeOf(this));
}
32 changes: 32 additions & 0 deletions tests/LLVMSharp.UnitTests/Functions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,4 +28,36 @@ public void AddsAttributeAtIndex()
var attrs = functionValue.GetAttributesAtIndex((LLVMAttributeIndex)1);
Assert.That((AttributeKind)attrs[0].KindAsEnum, Is.EqualTo(AttributeKind.ByVal));
}

[Test]
public void LibLLVMSharp_GetFunctionType()
{
var module = LLVMModuleRef.CreateWithName("Test Module");
var returnType = LLVMTypeRef.Int32;
var paramTypes = new[] { LLVMTypeRef.Int32, LLVMTypeRef.Int32 };
var functionType = LLVMTypeRef.CreateFunction(returnType, paramTypes);
var functionValue = module.AddFunction("add", functionType);

var retrievedFunctionType = functionValue.GetFunctionType();

Assert.That(retrievedFunctionType.Kind, Is.EqualTo(LLVMTypeKind.LLVMFunctionTypeKind));

Assert.That(retrievedFunctionType.GetReturnType().Kind, Is.EqualTo(LLVMTypeKind.LLVMIntegerTypeKind));

Assert.That(retrievedFunctionType.ParamTypesCount, Is.EqualTo(2));
}

[Test]
public void LibLLVMSharp_GetReturnType()
{
var module = LLVMModuleRef.CreateWithName("Test Module");
var returnType = LLVMTypeRef.Int32;
var functionType = LLVMTypeRef.CreateFunction(returnType, [LLVMTypeRef.Int32, LLVMTypeRef.Int32]);
var functionValue = module.AddFunction("add", functionType);

var retrievedReturnType = functionValue.GetReturnType();

Assert.That(retrievedReturnType.Kind, Is.EqualTo(LLVMTypeKind.LLVMIntegerTypeKind));
Assert.That(retrievedReturnType.Handle, Is.EqualTo(returnType.Handle));
}
}