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</pre></div><pre class="rust"><code><span class="attr">#![allow(unused)]

</span><span class="kw">use </span>llvm_sys::{
    analysis::{LLVMVerifierFailureAction, LLVMVerifyFunction},
    core::{
        LLVMAddIncoming, LLVMAppendExistingBasicBlock, LLVMCountBasicBlocks, LLVMCountParams,
        LLVMDumpValue, LLVMGetParam, LLVMGetValueKind, LLVMGetValueName2, LLVMGlobalGetValueType,
        LLVMIsAFunction, LLVMIsAPHINode, LLVMSetValueName2, LLVMTypeOf,
    },
    prelude::LLVMValueRef,
    LLVMTypeKind, LLVMValueKind,
};
<span class="kw">use </span>std::ffi::CStr;
<span class="kw">use </span>std::marker::PhantomData;
<span class="kw">use </span>std::ops::Deref;

<span class="kw">use </span><span class="kw">super</span>::BasicBlock;
<span class="kw">use </span><span class="kw">super</span>::Type;

<span class="doccomment">/// Wrapper for a LLVM Value Reference.
</span><span class="attr">#[derive(Copy, Clone)]
#[repr(transparent)]
</span><span class="kw">pub struct </span>Value&lt;<span class="lifetime">&#39;llvm</span>&gt;(LLVMValueRef, PhantomData&lt;<span class="kw-2">&amp;</span><span class="lifetime">&#39;llvm </span>()&gt;);

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="doccomment">/// Create a new Value instance.
    ///
    /// # Panics
    ///
    /// Panics if `value_ref` is a null pointer.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new(value_ref: LLVMValueRef) -&gt; <span class="self">Self </span>{
        <span class="macro">assert!</span>(!value_ref.is_null());
        Value(value_ref, PhantomData)
    }

    <span class="doccomment">/// Get the raw LLVM value reference.
    </span><span class="attr">#[inline]
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>value_ref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; LLVMValueRef {
        <span class="self">self</span>.<span class="number">0
    </span>}

    <span class="doccomment">/// Get the LLVM value kind for the given value reference.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>kind(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; LLVMValueKind {
        <span class="kw">unsafe </span>{ LLVMGetValueKind(<span class="self">self</span>.value_ref()) }
    }

    <span class="doccomment">/// Check if value is `function` type.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>is_function(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="kw">let </span>cast = <span class="kw">unsafe </span>{ LLVMIsAFunction(<span class="self">self</span>.value_ref()) };
        !cast.is_null()
    }

    <span class="doccomment">/// Check if value is `phinode` type.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>is_phinode(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="kw">let </span>cast = <span class="kw">unsafe </span>{ LLVMIsAPHINode(<span class="self">self</span>.value_ref()) };
        !cast.is_null()
    }

    <span class="doccomment">/// Dump the LLVM Value to stdout.
    </span><span class="kw">pub fn </span>dump(<span class="kw-2">&amp;</span><span class="self">self</span>) {
        <span class="kw">unsafe </span>{ LLVMDumpValue(<span class="self">self</span>.value_ref()) };
    }

    <span class="doccomment">/// Get a type reference representing for the given value reference.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>type_of(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Type&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>type_ref = <span class="kw">unsafe </span>{ LLVMTypeOf(<span class="self">self</span>.value_ref()) };
        Type::new(type_ref)
    }

    <span class="doccomment">/// Set the name for the given value reference.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>set_name(<span class="kw-2">&amp;</span><span class="self">self</span>, name: <span class="kw-2">&amp;</span>str) {
        <span class="kw">unsafe </span>{ LLVMSetValueName2(<span class="self">self</span>.value_ref(), name.as_ptr().cast(), name.len()) };
    }

    <span class="doccomment">/// Get the name for the given value reference.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>get_name(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="lifetime">&#39;llvm </span>str {
        <span class="kw">let </span>name = <span class="kw">unsafe </span>{
            <span class="kw">let </span><span class="kw-2">mut </span>len: libc::size_t = <span class="number">0</span>;
            <span class="kw">let </span>name = LLVMGetValueName2(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">&amp;mut </span>len <span class="kw">as _</span>);
            <span class="macro">assert!</span>(!name.is_null());

            CStr::from_ptr(name)
        };

        <span class="comment">// TODO: Does this string live for the time of the LLVM context?!
        </span>name.to_str()
            .expect(<span class="string">&quot;Expected valid UTF8 string from LLVM API&quot;</span>)
    }

    <span class="doccomment">/// Check if value is of `f64` type.
    </span><span class="kw">pub fn </span>is_f64(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="self">self</span>.type_of().kind() == LLVMTypeKind::LLVMDoubleTypeKind
    }

    <span class="doccomment">/// Check if value is of integer type.
    </span><span class="kw">pub fn </span>is_int(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="self">self</span>.type_of().kind() == LLVMTypeKind::LLVMIntegerTypeKind
    }
}

<span class="doccomment">/// Wrapper for a LLVM Value Reference specialized for contexts where function values are needed.
</span><span class="attr">#[derive(Copy, Clone)]
#[repr(transparent)]
</span><span class="kw">pub struct </span>FnValue&lt;<span class="lifetime">&#39;llvm</span>&gt;(Value&lt;<span class="lifetime">&#39;llvm</span>&gt;);

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; Deref <span class="kw">for </span>FnValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="kw">type </span>Target = Value&lt;<span class="lifetime">&#39;llvm</span>&gt;;
    <span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Target {
        <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="number">0
    </span>}
}

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; FnValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="doccomment">/// Create a new FnValue instance.
    ///
    /// # Panics
    ///
    /// Panics if `value_ref` is a null pointer.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new(value_ref: LLVMValueRef) -&gt; <span class="self">Self </span>{
        <span class="kw">let </span>value = Value::new(value_ref);
        <span class="macro">debug_assert!</span>(
            value.is_function(),
            <span class="string">&quot;Expected a fn value when constructing FnValue!&quot;
        </span>);

        FnValue(value)
    }

    <span class="doccomment">/// Get a type reference representing the function type (return + args) of the given function
    /// value.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fn_type(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Type&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="comment">// https://github.com/llvm/llvm-project/issues/72798
        </span><span class="kw">let </span>type_ref = <span class="kw">unsafe </span>{ LLVMGlobalGetValueType(<span class="self">self</span>.value_ref()) };
        Type::new(type_ref)
    }

    <span class="doccomment">/// Get the number of function arguments for the given function value.
    </span><span class="kw">pub fn </span>args(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; usize {
        <span class="kw">unsafe </span>{ LLVMCountParams(<span class="self">self</span>.value_ref()) <span class="kw">as </span>usize }
    }

    <span class="doccomment">/// Get a value reference for the function argument at index `idx`.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer or indexed out of bounds.
    </span><span class="kw">pub fn </span>arg(<span class="kw-2">&amp;</span><span class="self">self</span>, idx: usize) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">assert!</span>(idx &lt; <span class="self">self</span>.args());

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{ LLVMGetParam(<span class="self">self</span>.value_ref(), idx <span class="kw">as </span>libc::c_uint) };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Get the number of Basic Blocks for the given function value.
    </span><span class="kw">pub fn </span>basic_blocks(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; usize {
        <span class="kw">unsafe </span>{ LLVMCountBasicBlocks(<span class="self">self</span>.value_ref()) <span class="kw">as </span>usize }
    }

    <span class="doccomment">/// Append a Basic Block to the end of the function value.
    </span><span class="kw">pub fn </span>append_basic_block(<span class="kw-2">&amp;</span><span class="self">self</span>, bb: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">unsafe </span>{
            LLVMAppendExistingBasicBlock(<span class="self">self</span>.value_ref(), bb.bb_ref());
        }
    }

    <span class="doccomment">/// Verify that the given function is valid.
    </span><span class="kw">pub fn </span>verify(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="kw">unsafe </span>{
            LLVMVerifyFunction(
                <span class="self">self</span>.value_ref(),
                LLVMVerifierFailureAction::LLVMPrintMessageAction,
            ) == <span class="number">0
        </span>}
    }
}

<span class="doccomment">/// Wrapper for a LLVM Value Reference specialized for contexts where phi values are needed.
</span><span class="attr">#[derive(Copy, Clone)]
#[repr(transparent)]
</span><span class="kw">pub struct </span>PhiValue&lt;<span class="lifetime">&#39;llvm</span>&gt;(Value&lt;<span class="lifetime">&#39;llvm</span>&gt;);

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; Deref <span class="kw">for </span>PhiValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="kw">type </span>Target = Value&lt;<span class="lifetime">&#39;llvm</span>&gt;;
    <span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Target {
        <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="number">0
    </span>}
}

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; PhiValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="doccomment">/// Create a new PhiValue instance.
    ///
    /// # Panics
    ///
    /// Panics if `value_ref` is a null pointer.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new(value_ref: LLVMValueRef) -&gt; <span class="self">Self </span>{
        <span class="kw">let </span>value = Value::new(value_ref);
        <span class="macro">debug_assert!</span>(
            value.is_phinode(),
            <span class="string">&quot;Expected a phinode value when constructing PhiValue!&quot;
        </span>);

        PhiValue(value)
    }

    <span class="doccomment">/// Add an incoming value to the end of a PHI list.
    </span><span class="kw">pub fn </span>add_incoming(<span class="kw-2">&amp;</span><span class="self">self</span>, ival: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, ibb: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="macro">debug_assert_eq!</span>(
            ival.type_of().kind(),
            <span class="self">self</span>.type_of().kind(),
            <span class="string">&quot;Type of incoming phi value must be the same as the type used to build the phi node.&quot;
        </span>);

        <span class="kw">unsafe </span>{
            LLVMAddIncoming(
                <span class="self">self</span>.value_ref(),
                <span class="kw-2">&amp;mut </span>ival.value_ref() <span class="kw">as _</span>,
                <span class="kw-2">&amp;mut </span>ibb.bb_ref() <span class="kw">as _</span>,
                <span class="number">1</span>,
            );
        }
    }
}
</code></pre></div></section></main></body></html>
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</pre></div><pre class="rust"><code><span class="attr">#![allow(unused)]

</span><span class="kw">use </span>llvm_sys::{
    analysis::{LLVMVerifierFailureAction, LLVMVerifyFunction},
    core::{
        LLVMAddIncoming, LLVMAppendExistingBasicBlock, LLVMCountBasicBlocks, LLVMCountParams,
        LLVMDumpValue, LLVMGetParam, LLVMGetValueKind, LLVMGetValueName2, LLVMGlobalGetValueType,
        LLVMIsAFunction, LLVMIsAPHINode, LLVMSetValueName2, LLVMTypeOf,
    },
    prelude::LLVMValueRef,
    LLVMTypeKind, LLVMValueKind,
};
<span class="kw">use </span>std::ffi::CStr;
<span class="kw">use </span>std::marker::PhantomData;
<span class="kw">use </span>std::ops::Deref;

<span class="kw">use </span><span class="kw">super</span>::BasicBlock;
<span class="kw">use </span><span class="kw">super</span>::Type;

<span class="doccomment">/// Wrapper for a LLVM Value Reference.
</span><span class="attr">#[derive(Copy, Clone)]
#[repr(transparent)]
</span><span class="kw">pub struct </span>Value&lt;<span class="lifetime">&#39;llvm</span>&gt;(LLVMValueRef, PhantomData&lt;<span class="kw-2">&amp;</span><span class="lifetime">&#39;llvm </span>()&gt;);

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="doccomment">/// Create a new Value instance.
    ///
    /// # Panics
    ///
    /// Panics if `value_ref` is a null pointer.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new(value_ref: LLVMValueRef) -&gt; <span class="self">Self </span>{
        <span class="macro">assert!</span>(!value_ref.is_null());
        Value(value_ref, PhantomData)
    }

    <span class="doccomment">/// Get the raw LLVM value reference.
    </span><span class="attr">#[inline]
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>value_ref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; LLVMValueRef {
        <span class="self">self</span>.<span class="number">0
    </span>}

    <span class="doccomment">/// Get the LLVM value kind for the given value reference.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>kind(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; LLVMValueKind {
        <span class="kw">unsafe </span>{ LLVMGetValueKind(<span class="self">self</span>.value_ref()) }
    }

    <span class="doccomment">/// Check if value is `function` type.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>is_function(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="kw">let </span>cast = <span class="kw">unsafe </span>{ LLVMIsAFunction(<span class="self">self</span>.value_ref()) };
        !cast.is_null()
    }

    <span class="doccomment">/// Check if value is `phinode` type.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>is_phinode(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="kw">let </span>cast = <span class="kw">unsafe </span>{ LLVMIsAPHINode(<span class="self">self</span>.value_ref()) };
        !cast.is_null()
    }

    <span class="doccomment">/// Dump the LLVM Value to stdout.
    </span><span class="kw">pub fn </span>dump(<span class="kw-2">&amp;</span><span class="self">self</span>) {
        <span class="kw">unsafe </span>{ LLVMDumpValue(<span class="self">self</span>.value_ref()) };
    }

    <span class="doccomment">/// Get a type reference representing for the given value reference.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>type_of(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Type&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="kw">let </span>type_ref = <span class="kw">unsafe </span>{ LLVMTypeOf(<span class="self">self</span>.value_ref()) };
        Type::new(type_ref)
    }

    <span class="doccomment">/// Set the name for the given value reference.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>set_name(<span class="kw-2">&amp;</span><span class="self">self</span>, name: <span class="kw-2">&amp;</span>str) {
        <span class="kw">unsafe </span>{ LLVMSetValueName2(<span class="self">self</span>.value_ref(), name.as_ptr().cast(), name.len()) };
    }

    <span class="doccomment">/// Get the name for the given value reference.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>get_name(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="lifetime">&#39;llvm </span>str {
        <span class="kw">let </span>name = <span class="kw">unsafe </span>{
            <span class="kw">let </span><span class="kw-2">mut </span>len: libc::size_t = <span class="number">0</span>;
            <span class="kw">let </span>name = LLVMGetValueName2(<span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">&amp;mut </span>len <span class="kw">as _</span>);
            <span class="macro">assert!</span>(!name.is_null());

            CStr::from_ptr(name)
        };

        <span class="comment">// TODO: Does this string live for the time of the LLVM context?!
        </span>name.to_str()
            .expect(<span class="string">&quot;Expected valid UTF8 string from LLVM API&quot;</span>)
    }

    <span class="doccomment">/// Check if value is of `f64` type.
    </span><span class="kw">pub fn </span>is_f64(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="self">self</span>.type_of().kind() == LLVMTypeKind::LLVMDoubleTypeKind
    }

    <span class="doccomment">/// Check if value is of integer type.
    </span><span class="kw">pub fn </span>is_int(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="self">self</span>.type_of().kind() == LLVMTypeKind::LLVMIntegerTypeKind
    }
}

<span class="doccomment">/// Wrapper for a LLVM Value Reference specialized for contexts where function values are needed.
</span><span class="attr">#[derive(Copy, Clone)]
#[repr(transparent)]
</span><span class="kw">pub struct </span>FnValue&lt;<span class="lifetime">&#39;llvm</span>&gt;(Value&lt;<span class="lifetime">&#39;llvm</span>&gt;);

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; Deref <span class="kw">for </span>FnValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="kw">type </span>Target = Value&lt;<span class="lifetime">&#39;llvm</span>&gt;;
    <span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Target {
        <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="number">0
    </span>}
}

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; FnValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="doccomment">/// Create a new FnValue instance.
    ///
    /// # Panics
    ///
    /// Panics if `value_ref` is a null pointer.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new(value_ref: LLVMValueRef) -&gt; <span class="self">Self </span>{
        <span class="kw">let </span>value = Value::new(value_ref);
        <span class="macro">debug_assert!</span>(
            value.is_function(),
            <span class="string">&quot;Expected a fn value when constructing FnValue!&quot;
        </span>);

        FnValue(value)
    }

    <span class="doccomment">/// Get a type reference representing the function type (return + args) of the given function
    /// value.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer.
    </span><span class="kw">pub fn </span>fn_type(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Type&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="comment">// https://github.com/llvm/llvm-project/issues/72798
        </span><span class="kw">let </span>type_ref = <span class="kw">unsafe </span>{ LLVMGlobalGetValueType(<span class="self">self</span>.value_ref()) };
        Type::new(type_ref)
    }

    <span class="doccomment">/// Get the number of function arguments for the given function value.
    </span><span class="kw">pub fn </span>args(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; usize {
        <span class="kw">unsafe </span>{ LLVMCountParams(<span class="self">self</span>.value_ref()) <span class="kw">as </span>usize }
    }

    <span class="doccomment">/// Get a value reference for the function argument at index `idx`.
    ///
    /// # Panics
    ///
    /// Panics if LLVM API returns a `null` pointer or indexed out of bounds.
    </span><span class="kw">pub fn </span>arg(<span class="kw-2">&amp;</span><span class="self">self</span>, idx: usize) -&gt; Value&lt;<span class="lifetime">&#39;llvm</span>&gt; {
        <span class="macro">assert!</span>(idx &lt; <span class="self">self</span>.args());

        <span class="kw">let </span>value_ref = <span class="kw">unsafe </span>{ LLVMGetParam(<span class="self">self</span>.value_ref(), idx <span class="kw">as </span>libc::c_uint) };
        Value::new(value_ref)
    }

    <span class="doccomment">/// Get the number of Basic Blocks for the given function value.
    </span><span class="kw">pub fn </span>basic_blocks(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; usize {
        <span class="kw">unsafe </span>{ LLVMCountBasicBlocks(<span class="self">self</span>.value_ref()) <span class="kw">as </span>usize }
    }

    <span class="doccomment">/// Append a Basic Block to the end of the function value.
    </span><span class="kw">pub fn </span>append_basic_block(<span class="kw-2">&amp;</span><span class="self">self</span>, bb: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="kw">unsafe </span>{
            LLVMAppendExistingBasicBlock(<span class="self">self</span>.value_ref(), bb.bb_ref());
        }
    }

    <span class="doccomment">/// Verify that the given function is valid.
    </span><span class="kw">pub fn </span>verify(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; bool {
        <span class="kw">unsafe </span>{
            LLVMVerifyFunction(
                <span class="self">self</span>.value_ref(),
                LLVMVerifierFailureAction::LLVMPrintMessageAction,
            ) == <span class="number">0
        </span>}
    }
}

<span class="doccomment">/// Wrapper for a LLVM Value Reference specialized for contexts where phi values are needed.
</span><span class="attr">#[derive(Copy, Clone)]
#[repr(transparent)]
</span><span class="kw">pub struct </span>PhiValue&lt;<span class="lifetime">&#39;llvm</span>&gt;(Value&lt;<span class="lifetime">&#39;llvm</span>&gt;);

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; Deref <span class="kw">for </span>PhiValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="kw">type </span>Target = Value&lt;<span class="lifetime">&#39;llvm</span>&gt;;
    <span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Target {
        <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="number">0
    </span>}
}

<span class="kw">impl</span>&lt;<span class="lifetime">&#39;llvm</span>&gt; PhiValue&lt;<span class="lifetime">&#39;llvm</span>&gt; {
    <span class="doccomment">/// Create a new PhiValue instance.
    ///
    /// # Panics
    ///
    /// Panics if `value_ref` is a null pointer.
    </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>new(value_ref: LLVMValueRef) -&gt; <span class="self">Self </span>{
        <span class="kw">let </span>value = Value::new(value_ref);
        <span class="macro">debug_assert!</span>(
            value.is_phinode(),
            <span class="string">&quot;Expected a phinode value when constructing PhiValue!&quot;
        </span>);

        PhiValue(value)
    }

    <span class="doccomment">/// Add an incoming value to the end of a PHI list.
    </span><span class="kw">pub fn </span>add_incoming(<span class="kw-2">&amp;</span><span class="self">self</span>, ival: Value&lt;<span class="lifetime">&#39;llvm</span>&gt;, ibb: BasicBlock&lt;<span class="lifetime">&#39;llvm</span>&gt;) {
        <span class="macro">debug_assert_eq!</span>(
            ival.type_of().kind(),
            <span class="self">self</span>.type_of().kind(),
            <span class="string">&quot;Type of incoming phi value must be the same as the type used to build the phi node.&quot;
        </span>);

        <span class="kw">unsafe </span>{
            LLVMAddIncoming(
                <span class="self">self</span>.value_ref(),
                <span class="kw-2">&amp;mut </span>ival.value_ref() <span class="kw">as _</span>,
                <span class="kw-2">&amp;mut </span>ibb.bb_ref() <span class="kw">as _</span>,
                <span class="number">1</span>,
            );
        }
    }
}
</code></pre></div></section></main></body></html>