From 1372b786798f5be7497644bcfc3d8ecdd685e6d9 Mon Sep 17 00:00:00 2001
From: Reid Kleckner <reid@kleckner.net>
Date: Wed, 5 Mar 2014 02:34:23 +0000
Subject: [PATCH] C API: Add functions to get or set a GlobalValue's
 DLLStorageClass

Patch by Manuel Jacob!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202928 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm-c/Core.h |  8 ++++++++
 lib/IR/Core.cpp       | 10 ++++++++++
 2 files changed, 18 insertions(+)

diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h
index a84a0313211..af1e01d8e1b 100644
--- a/include/llvm-c/Core.h
+++ b/include/llvm-c/Core.h
@@ -299,6 +299,12 @@ typedef enum {
   LLVMProtectedVisibility /**< The GV is protected */
 } LLVMVisibility;
 
+typedef enum {
+  LLVMDefaultStorageClass   = 0,
+  LLVMDLLImportStorageClass = 1, /**< Function to be imported from DLL. */
+  LLVMDLLExportStorageClass = 2  /**< Function to be accessible from DLL. */
+} LLVMDLLStorageClass;
+
 typedef enum {
   LLVMCCallConv           = 0,
   LLVMFastCallConv        = 8,
@@ -1689,6 +1695,8 @@ const char *LLVMGetSection(LLVMValueRef Global);
 void LLVMSetSection(LLVMValueRef Global, const char *Section);
 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global);
 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz);
+LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global);
+void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class);
 
 /**
  * @defgroup LLVMCCoreValueWithAlignment Values with alignment
diff --git a/lib/IR/Core.cpp b/lib/IR/Core.cpp
index 470fef23eb8..c78ddae60be 100644
--- a/lib/IR/Core.cpp
+++ b/lib/IR/Core.cpp
@@ -1252,6 +1252,16 @@ void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz) {
     ->setVisibility(static_cast<GlobalValue::VisibilityTypes>(Viz));
 }
 
+LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global) {
+  return static_cast<LLVMDLLStorageClass>(
+      unwrap<GlobalValue>(Global)->getDLLStorageClass());
+}
+
+void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class) {
+  unwrap<GlobalValue>(Global)->setDLLStorageClass(
+      static_cast<GlobalValue::DLLStorageClassTypes>(Class));
+}
+
 /*--.. Operations on global variables, load and store instructions .........--*/
 
 unsigned LLVMGetAlignment(LLVMValueRef V) {