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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">llvm_sys</span>::{
<span class="ident">core</span>::{
<span class="ident">LLVMAddIncoming</span>, <span class="ident">LLVMBuildBr</span>, <span class="ident">LLVMBuildCondBr</span>, <span class="ident">LLVMBuildFAdd</span>, <span class="ident">LLVMBuildFCmp</span>, <span class="ident">LLVMBuildFMul</span>,
<span class="ident">LLVMBuildFSub</span>, <span class="ident">LLVMBuildPhi</span>, <span class="ident">LLVMBuildRet</span>, <span class="ident">LLVMBuildUIToFP</span>, <span class="ident">LLVMCreateBuilderInContext</span>,
<span class="ident">LLVMDisposeBuilder</span>, <span class="ident">LLVMGetInsertBlock</span>, <span class="ident">LLVMPositionBuilderAtEnd</span>,
},
<span class="ident">prelude</span>::{<span class="ident">LLVMBuilderRef</span>, <span class="ident">LLVMValueRef</span>},
<span class="ident">LLVMRealPredicate</span>,
};
<span class="kw">use</span> <span class="ident">std::marker::PhantomData</span>;
<span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">BasicBlock</span>, <span class="ident">FnValue</span>, <span class="ident">Module</span>, <span class="ident">PhiValue</span>, <span class="ident">Type</span>, <span class="ident">Value</span>};
<span class="comment">// Definition of LLVM C API functions using our `repr(transparent)` types.</span>
<span class="kw">extern</span> <span class="string">"C"</span> {
<span class="kw">fn</span> <span class="ident">LLVMBuildCall2</span>(
<span class="ident">arg1</span>: <span class="ident">LLVMBuilderRef</span>,
<span class="ident">arg2</span>: <span class="ident">Type</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>,
<span class="ident">Fn</span>: <span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>,
<span class="ident">Args</span>: <span class="kw-2">*mut</span> <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>,
<span class="ident">NumArgs</span>: <span class="ident">::libc::c_uint</span>,
<span class="ident">Name</span>: <span class="kw-2">*const</span> <span class="ident">::libc::c_char</span>,
) -> <span class="ident">LLVMValueRef</span>;
}
<span class="doccomment">/// Wrapper for a LLVM IR Builder.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">IRBuilder</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="ident">builder</span>: <span class="ident">LLVMBuilderRef</span>,
<span class="ident">_ctx</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'llvm</span> ()<span class="op">></span>,
}
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> <span class="ident">IRBuilder</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="doccomment">/// Create a new LLVM IR Builder with the `module`s context.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if creating the IR Builder fails.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with_ctx</span>(<span class="ident">module</span>: <span class="kw-2">&</span><span class="lifetime">'llvm</span> <span class="ident">Module</span>) -> <span class="ident">IRBuilder</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">builder</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">LLVMCreateBuilderInContext</span>(<span class="ident">module</span>.<span class="ident">ctx</span>()) };
<span class="macro">assert!</span>(<span class="op">!</span><span class="ident">builder</span>.<span class="ident">is_null</span>());
<span class="ident">IRBuilder</span> {
<span class="ident">builder</span>,
<span class="ident">_ctx</span>: <span class="ident">PhantomData</span>,
}
}
<span class="doccomment">/// Position the IR Builder at the end of the given Basic Block.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">pos_at_end</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">bb</span>: <span class="ident">BasicBlock</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) {
<span class="kw">unsafe</span> {
<span class="ident">LLVMPositionBuilderAtEnd</span>(<span class="self">self</span>.<span class="ident">builder</span>, <span class="ident">bb</span>.<span class="ident">bb_ref</span>());
}
}
<span class="doccomment">/// Get the BasicBlock the IRBuilder currently inputs into.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_insert_block</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">BasicBlock</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">bb_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">LLVMGetInsertBlock</span>(<span class="self">self</span>.<span class="ident">builder</span>) };
<span class="macro">assert!</span>(<span class="op">!</span><span class="ident">bb_ref</span>.<span class="ident">is_null</span>());
<span class="ident">BasicBlock::new</span>(<span class="ident">bb_ref</span>)
}
<span class="doccomment">/// Emit a [fadd](https://llvm.org/docs/LangRef.html#fadd-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fadd</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">lhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">rhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) -> <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="macro">debug_assert!</span>(<span class="ident">lhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fadd: Expected f64 as lhs operand!"</span>);
<span class="macro">debug_assert!</span>(<span class="ident">rhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fadd: Expected f64 as rhs operand!"</span>);
<span class="kw">let</span> <span class="ident">value_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> {
<span class="ident">LLVMBuildFAdd</span>(
<span class="self">self</span>.<span class="ident">builder</span>,
<span class="ident">lhs</span>.<span class="ident">value_ref</span>(),
<span class="ident">rhs</span>.<span class="ident">value_ref</span>(),
<span class="string">b"fadd\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>(),
)
};
<span class="ident">Value::new</span>(<span class="ident">value_ref</span>)
}
<span class="doccomment">/// Emit a [fsub](https://llvm.org/docs/LangRef.html#fsub-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fsub</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">lhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">rhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) -> <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="macro">debug_assert!</span>(<span class="ident">lhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fsub: Expected f64 as lhs operand!"</span>);
<span class="macro">debug_assert!</span>(<span class="ident">rhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fsub: Expected f64 as rhs operand!"</span>);
<span class="kw">let</span> <span class="ident">value_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> {
<span class="ident">LLVMBuildFSub</span>(
<span class="self">self</span>.<span class="ident">builder</span>,
<span class="ident">lhs</span>.<span class="ident">value_ref</span>(),
<span class="ident">rhs</span>.<span class="ident">value_ref</span>(),
<span class="string">b"fsub\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>(),
)
};
<span class="ident">Value::new</span>(<span class="ident">value_ref</span>)
}
<span class="doccomment">/// Emit a [fmul](https://llvm.org/docs/LangRef.html#fmul-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fmul</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">lhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">rhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) -> <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="macro">debug_assert!</span>(<span class="ident">lhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fmul: Expected f64 as lhs operand!"</span>);
<span class="macro">debug_assert!</span>(<span class="ident">rhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fmul: Expected f64 as rhs operand!"</span>);
<span class="kw">let</span> <span class="ident">value_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> {
<span class="ident">LLVMBuildFMul</span>(
<span class="self">self</span>.<span class="ident">builder</span>,
<span class="ident">lhs</span>.<span class="ident">value_ref</span>(),
<span class="ident">rhs</span>.<span class="ident">value_ref</span>(),
<span class="string">b"fmul\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>(),
)
};
<span class="ident">Value::new</span>(<span class="ident">value_ref</span>)
}
<span class="doccomment">/// Emit a [fcmpult](https://llvm.org/docs/LangRef.html#fcmp-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fcmpult</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">lhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">rhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) -> <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="macro">debug_assert!</span>(<span class="ident">lhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fcmpult: Expected f64 as lhs operand!"</span>);
<span class="macro">debug_assert!</span>(<span class="ident">rhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fcmpult: Expected f64 as rhs operand!"</span>);
<span class="kw">let</span> <span class="ident">value_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> {
<span class="ident">LLVMBuildFCmp</span>(
<span class="self">self</span>.<span class="ident">builder</span>,
<span class="ident">LLVMRealPredicate::LLVMRealULT</span>,
<span class="ident">lhs</span>.<span class="ident">value_ref</span>(),
<span class="ident">rhs</span>.<span class="ident">value_ref</span>(),
<span class="string">b"fcmpult\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>(),
)
};
<span class="ident">Value::new</span>(<span class="ident">value_ref</span>)
}
<span class="doccomment">/// Emit a [fcmpone](https://llvm.org/docs/LangRef.html#fcmp-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fcmpone</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">lhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">rhs</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) -> <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="macro">debug_assert!</span>(<span class="ident">lhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fcmone: Expected f64 as lhs operand!"</span>);
<span class="macro">debug_assert!</span>(<span class="ident">rhs</span>.<span class="ident">is_f64</span>(), <span class="string">"fcmone: Expected f64 as rhs operand!"</span>);
<span class="kw">let</span> <span class="ident">value_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> {
<span class="ident">LLVMBuildFCmp</span>(
<span class="self">self</span>.<span class="ident">builder</span>,
<span class="ident">LLVMRealPredicate::LLVMRealONE</span>,
<span class="ident">lhs</span>.<span class="ident">value_ref</span>(),
<span class="ident">rhs</span>.<span class="ident">value_ref</span>(),
<span class="string">b"fcmpone\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>(),
)
};
<span class="ident">Value::new</span>(<span class="ident">value_ref</span>)
}
<span class="doccomment">/// Emit a [uitofp](https://llvm.org/docs/LangRef.html#uitofp-to-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">uitofp</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">val</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">dest_type</span>: <span class="ident">Type</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) -> <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="macro">debug_assert!</span>(<span class="ident">val</span>.<span class="ident">is_int</span>(), <span class="string">"uitofp: Expected integer operand!"</span>);
<span class="kw">let</span> <span class="ident">value_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> {
<span class="ident">LLVMBuildUIToFP</span>(
<span class="self">self</span>.<span class="ident">builder</span>,
<span class="ident">val</span>.<span class="ident">value_ref</span>(),
<span class="ident">dest_type</span>.<span class="ident">type_ref</span>(),
<span class="string">b"uitofp\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>(),
)
};
<span class="ident">Value::new</span>(<span class="ident">value_ref</span>)
}
<span class="doccomment">/// Emit a [call](https://llvm.org/docs/LangRef.html#call-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">call</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">fn_value</span>: <span class="ident">FnValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">args</span>: <span class="kw-2">&mut</span> [<span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>]) -> <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">value_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> {
<span class="ident">LLVMBuildCall2</span>(
<span class="self">self</span>.<span class="ident">builder</span>,
<span class="ident">fn_value</span>.<span class="ident">ret_type</span>(),
<span class="ident">fn_value</span>,
<span class="ident">args</span>.<span class="ident">as_mut_ptr</span>(),
<span class="ident">args</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">libc::c_uint</span>,
<span class="string">b"call\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>(),
)
};
<span class="ident">Value::new</span>(<span class="ident">value_ref</span>)
}
<span class="doccomment">/// Emit a [ret](https://llvm.org/docs/LangRef.html#ret-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ret</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">ret</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) {
<span class="kw">let</span> <span class="ident">ret</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">LLVMBuildRet</span>(<span class="self">self</span>.<span class="ident">builder</span>, <span class="ident">ret</span>.<span class="ident">value_ref</span>()) };
<span class="macro">assert!</span>(<span class="op">!</span><span class="ident">ret</span>.<span class="ident">is_null</span>());
}
<span class="doccomment">/// Emit an unconditional [br](https://llvm.org/docs/LangRef.html#br-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">br</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">dest</span>: <span class="ident">BasicBlock</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) {
<span class="kw">let</span> <span class="ident">br_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">LLVMBuildBr</span>(<span class="self">self</span>.<span class="ident">builder</span>, <span class="ident">dest</span>.<span class="ident">bb_ref</span>()) };
<span class="macro">assert!</span>(<span class="op">!</span><span class="ident">br_ref</span>.<span class="ident">is_null</span>());
}
<span class="doccomment">/// Emit a conditional [br](https://llvm.org/docs/LangRef.html#br-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">cond_br</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">cond</span>: <span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">then</span>: <span class="ident">BasicBlock</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">else_</span>: <span class="ident">BasicBlock</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>) {
<span class="kw">let</span> <span class="ident">br_ref</span> <span class="op">=</span> <span class="kw">unsafe</span> {
<span class="ident">LLVMBuildCondBr</span>(
<span class="self">self</span>.<span class="ident">builder</span>,
<span class="ident">cond</span>.<span class="ident">value_ref</span>(),
<span class="ident">then</span>.<span class="ident">bb_ref</span>(),
<span class="ident">else_</span>.<span class="ident">bb_ref</span>(),
)
};
<span class="macro">assert!</span>(<span class="op">!</span><span class="ident">br_ref</span>.<span class="ident">is_null</span>());
}
<span class="doccomment">/// Emit a [phi](https://llvm.org/docs/LangRef.html#phi-instruction) instruction.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Panics if LLVM API returns a `null` pointer.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">phi</span>(
<span class="kw-2">&</span><span class="self">self</span>,
<span class="ident">phi_type</span>: <span class="ident">Type</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>,
<span class="ident">incoming</span>: <span class="kw-2">&</span>[(<span class="ident">Value</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>, <span class="ident">BasicBlock</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span>)],
) -> <span class="ident">PhiValue</span><span class="op"><</span><span class="lifetime">'llvm</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">phi_ref</span> <span class="op">=</span>
<span class="kw">unsafe</span> { <span class="ident">LLVMBuildPhi</span>(<span class="self">self</span>.<span class="ident">builder</span>, <span class="ident">phi_type</span>.<span class="ident">type_ref</span>(), <span class="string">b"phi\0"</span>.<span class="ident">as_ptr</span>().<span class="ident">cast</span>()) };
<span class="macro">assert!</span>(<span class="op">!</span><span class="ident">phi_ref</span>.<span class="ident">is_null</span>());
<span class="kw">for</span> (<span class="ident">val</span>, <span class="ident">bb</span>) <span class="kw">in</span> <span class="ident">incoming</span> {
<span class="macro">debug_assert_eq!</span>(
<span class="ident">val</span>.<span class="ident">type_of</span>().<span class="ident">kind</span>(),
<span class="ident">phi_type</span>.<span class="ident">kind</span>(),
<span class="string">"Type of incoming phi value must be the same as the type used to build the phi node."</span>
);
<span class="kw">unsafe</span> {
<span class="ident">LLVMAddIncoming</span>(<span class="ident">phi_ref</span>, <span class="kw-2">&mut</span> <span class="ident">val</span>.<span class="ident">value_ref</span>() <span class="kw">as</span> <span class="kw">_</span>, <span class="kw-2">&mut</span> <span class="ident">bb</span>.<span class="ident">bb_ref</span>() <span class="kw">as</span> <span class="kw">_</span>, <span class="number">1</span>);
}
}
<span class="ident">PhiValue::new</span>(<span class="ident">phi_ref</span>)
}
}
<span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">IRBuilder</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) {
<span class="kw">unsafe</span> { <span class="ident">LLVMDisposeBuilder</span>(<span class="self">self</span>.<span class="ident">builder</span>) }
}
}
</code></pre></div>
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