Add support for a union type in LLVM IR. Patch by Talin!

llvm-svn: 96011

1 files changed, 9 insertions, 1 deletions

diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index 98358fe3807..4500fccb65a 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -193,7 +193,8 @@ typedef enum {
   LLVMPointerTypeKind,     /**< Pointers */
   LLVMOpaqueTypeKind,      /**< Opaque: type with unknown structure */
   LLVMVectorTypeKind,      /**< SIMD 'packed' format, or other vector type */
-  LLVMMetadataTypeKind     /**< Metadata */
+  LLVMMetadataTypeKind,    /**< Metadata */
+  LLVMUnionTypeKind        /**< Unions */
 } LLVMTypeKind;
 
 typedef enum {
@@ -372,6 +373,13 @@ unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy);
 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest);
 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy);
 
+/* Operations on union types */
+LLVMTypeRef LLVMUnionTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
+                                   unsigned ElementCount);
+LLVMTypeRef LLVMUnionType(LLVMTypeRef *ElementTypes, unsigned ElementCount);
+unsigned LLVMCountUnionElementTypes(LLVMTypeRef UnionTy);
+void LLVMGetUnionElementTypes(LLVMTypeRef UnionTy, LLVMTypeRef *Dest);
+
 /* Operations on array, pointer, and vector types (sequence types) */
 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount);
 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace);