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-

#![allow(unused)]
+value.rs - source
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+
#![allow(unused)]
 
 use llvm_sys::{
     analysis::{LLVMVerifierFailureAction, LLVMVerifyFunction},
     core::{
         LLVMAddIncoming, LLVMAppendExistingBasicBlock, LLVMCountBasicBlocks, LLVMCountParams,
-        LLVMDumpValue, LLVMGetParam, LLVMGetReturnType, LLVMGetValueKind, LLVMGetValueName2,
+        LLVMDumpValue, LLVMGetParam, LLVMGetValueKind, LLVMGetValueName2, LLVMGlobalGetValueType,
         LLVMIsAFunction, LLVMIsAPHINode, LLVMSetValueName2, LLVMTypeOf,
     },
     prelude::LLVMValueRef,
     LLVMTypeKind, LLVMValueKind,
 };
-
 use std::ffi::CStr;
 use std::marker::PhantomData;
 use std::ops::Deref;
@@ -256,7 +256,7 @@
 use super::Type;
 
 /// Wrapper for a LLVM Value Reference.
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone)]
 #[repr(transparent)]
 pub struct Value<'llvm>(LLVMValueRef, PhantomData<&'llvm ()>);
 
@@ -272,7 +272,7 @@
     }
 
     /// Get the raw LLVM value reference.
-    #[inline]
+    #[inline]
     pub(super) fn value_ref(&self) -> LLVMValueRef {
         self.0
     }
@@ -349,7 +349,7 @@
 }
 
 /// Wrapper for a LLVM Value Reference specialized for contexts where function values are needed.
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone)]
 #[repr(transparent)]
 pub struct FnValue<'llvm>(Value<'llvm>);
 
@@ -376,13 +376,15 @@
         FnValue(value)
     }
 
-    /// Get a type reference representing the return value of the given function value.
+    /// Get a type reference representing the function type (return + args) of the given function
+    /// value.
     ///
     /// # Panics
     ///
     /// Panics if LLVM API returns a `null` pointer.
-    pub fn ret_type(&self) -> Type<'llvm> {
-        let type_ref = unsafe { LLVMGetReturnType(LLVMTypeOf(self.value_ref())) };
+    pub fn fn_type(&self) -> Type<'llvm> {
+        // https://github.com/llvm/llvm-project/issues/72798
+        let type_ref = unsafe { LLVMGlobalGetValueType(self.value_ref()) };
         Type::new(type_ref)
     }
 
@@ -427,7 +429,7 @@
 }
 
 /// Wrapper for a LLVM Value Reference specialized for contexts where phi values are needed.
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone)]
 #[repr(transparent)]
 pub struct PhiValue<'llvm>(Value<'llvm>);
 
@@ -472,5 +474,4 @@
         }
     }
 }
-
-