diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -2631,6 +2631,13 @@
  */
 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC);
 
+/**
+ * Obtain the function type of a function.
+ *
+ * @see llvm::Function::getFunctionType()
+ */
+unsigned LLVMGetFunctionType(LLVMValueRef Fn);
+
 /**
  * Obtain the name of the garbage collector to use during code
  * generation.
diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -2410,6 +2410,10 @@
     static_cast<CallingConv::ID>(CC));
 }
 
+LLVMTypeRef LLVMGetFunctionType(LLVMValueRef Fn) {
+  return wrap(unwrap<Function>(Fn)->getFunctionType());
+}
+
 const char *LLVMGetGC(LLVMValueRef Fn) {
   Function *F = unwrap<Function>(Fn);
   return F->hasGC()? F->getGC().c_str() : nullptr;