diff --git a/linux-x64/clang/include/llvm-c/ExecutionEngine.h b/linux-x64/clang/include/llvm-c/ExecutionEngine.h
new file mode 100644
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+++ b/linux-x64/clang/include/llvm-c/ExecutionEngine.h
@@ -0,0 +1,193 @@
+/*===-- llvm-c/ExecutionEngine.h - ExecutionEngine Lib C Iface --*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header declares the C interface to libLLVMExecutionEngine.o, which    *|
+|* implements various analyses of the LLVM IR.                                *|
+|*                                                                            *|
+|* Many exotic languages can interoperate with C code but have a harder time  *|
+|* with C++ due to name mangling. So in addition to C, this interface enables *|
+|* tools written in such languages.                                           *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_C_EXECUTIONENGINE_H
+#define LLVM_C_EXECUTIONENGINE_H
+
+#include "llvm-c/Target.h"
+#include "llvm-c/TargetMachine.h"
+#include "llvm-c/Types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup LLVMCExecutionEngine Execution Engine
+ * @ingroup LLVMC
+ *
+ * @{
+ */
+
+void LLVMLinkInMCJIT(void);
+void LLVMLinkInInterpreter(void);
+
+typedef struct LLVMOpaqueGenericValue *LLVMGenericValueRef;
+typedef struct LLVMOpaqueExecutionEngine *LLVMExecutionEngineRef;
+typedef struct LLVMOpaqueMCJITMemoryManager *LLVMMCJITMemoryManagerRef;
+
+struct LLVMMCJITCompilerOptions {
+  unsigned OptLevel;
+  LLVMCodeModel CodeModel;
+  LLVMBool NoFramePointerElim;
+  LLVMBool EnableFastISel;
+  LLVMMCJITMemoryManagerRef MCJMM;
+};
+
+/*===-- Operations on generic values --------------------------------------===*/
+
+LLVMGenericValueRef LLVMCreateGenericValueOfInt(LLVMTypeRef Ty,
+                                                unsigned long long N,
+                                                LLVMBool IsSigned);
+
+LLVMGenericValueRef LLVMCreateGenericValueOfPointer(void *P);
+
+LLVMGenericValueRef LLVMCreateGenericValueOfFloat(LLVMTypeRef Ty, double N);
+
+unsigned LLVMGenericValueIntWidth(LLVMGenericValueRef GenValRef);
+
+unsigned long long LLVMGenericValueToInt(LLVMGenericValueRef GenVal,
+                                         LLVMBool IsSigned);
+
+void *LLVMGenericValueToPointer(LLVMGenericValueRef GenVal);
+
+double LLVMGenericValueToFloat(LLVMTypeRef TyRef, LLVMGenericValueRef GenVal);
+
+void LLVMDisposeGenericValue(LLVMGenericValueRef GenVal);
+
+/*===-- Operations on execution engines -----------------------------------===*/
+
+LLVMBool LLVMCreateExecutionEngineForModule(LLVMExecutionEngineRef *OutEE,
+                                            LLVMModuleRef M,
+                                            char **OutError);
+
+LLVMBool LLVMCreateInterpreterForModule(LLVMExecutionEngineRef *OutInterp,
+                                        LLVMModuleRef M,
+                                        char **OutError);
+
+LLVMBool LLVMCreateJITCompilerForModule(LLVMExecutionEngineRef *OutJIT,
+                                        LLVMModuleRef M,
+                                        unsigned OptLevel,
+                                        char **OutError);
+
+void LLVMInitializeMCJITCompilerOptions(
+  struct LLVMMCJITCompilerOptions *Options, size_t SizeOfOptions);
+
+/**
+ * Create an MCJIT execution engine for a module, with the given options. It is
+ * the responsibility of the caller to ensure that all fields in Options up to
+ * the given SizeOfOptions are initialized. It is correct to pass a smaller
+ * value of SizeOfOptions that omits some fields. The canonical way of using
+ * this is:
+ *
+ * LLVMMCJITCompilerOptions options;
+ * LLVMInitializeMCJITCompilerOptions(&options, sizeof(options));
+ * ... fill in those options you care about
+ * LLVMCreateMCJITCompilerForModule(&jit, mod, &options, sizeof(options),
+ *                                  &error);
+ *
+ * Note that this is also correct, though possibly suboptimal:
+ *
+ * LLVMCreateMCJITCompilerForModule(&jit, mod, 0, 0, &error);
+ */
+LLVMBool LLVMCreateMCJITCompilerForModule(
+  LLVMExecutionEngineRef *OutJIT, LLVMModuleRef M,
+  struct LLVMMCJITCompilerOptions *Options, size_t SizeOfOptions,
+  char **OutError);
+
+void LLVMDisposeExecutionEngine(LLVMExecutionEngineRef EE);
+
+void LLVMRunStaticConstructors(LLVMExecutionEngineRef EE);
+
+void LLVMRunStaticDestructors(LLVMExecutionEngineRef EE);
+
+int LLVMRunFunctionAsMain(LLVMExecutionEngineRef EE, LLVMValueRef F,
+                          unsigned ArgC, const char * const *ArgV,
+                          const char * const *EnvP);
+
+LLVMGenericValueRef LLVMRunFunction(LLVMExecutionEngineRef EE, LLVMValueRef F,
+                                    unsigned NumArgs,
+                                    LLVMGenericValueRef *Args);
+
+void LLVMFreeMachineCodeForFunction(LLVMExecutionEngineRef EE, LLVMValueRef F);
+
+void LLVMAddModule(LLVMExecutionEngineRef EE, LLVMModuleRef M);
+
+LLVMBool LLVMRemoveModule(LLVMExecutionEngineRef EE, LLVMModuleRef M,
+                          LLVMModuleRef *OutMod, char **OutError);
+
+LLVMBool LLVMFindFunction(LLVMExecutionEngineRef EE, const char *Name,
+                          LLVMValueRef *OutFn);
+
+void *LLVMRecompileAndRelinkFunction(LLVMExecutionEngineRef EE,
+                                     LLVMValueRef Fn);
+
+LLVMTargetDataRef LLVMGetExecutionEngineTargetData(LLVMExecutionEngineRef EE);
+LLVMTargetMachineRef
+LLVMGetExecutionEngineTargetMachine(LLVMExecutionEngineRef EE);
+
+void LLVMAddGlobalMapping(LLVMExecutionEngineRef EE, LLVMValueRef Global,
+                          void* Addr);
+
+void *LLVMGetPointerToGlobal(LLVMExecutionEngineRef EE, LLVMValueRef Global);
+
+uint64_t LLVMGetGlobalValueAddress(LLVMExecutionEngineRef EE, const char *Name);
+
+uint64_t LLVMGetFunctionAddress(LLVMExecutionEngineRef EE, const char *Name);
+
+/*===-- Operations on memory managers -------------------------------------===*/
+
+typedef uint8_t *(*LLVMMemoryManagerAllocateCodeSectionCallback)(
+  void *Opaque, uintptr_t Size, unsigned Alignment, unsigned SectionID,
+  const char *SectionName);
+typedef uint8_t *(*LLVMMemoryManagerAllocateDataSectionCallback)(
+  void *Opaque, uintptr_t Size, unsigned Alignment, unsigned SectionID,
+  const char *SectionName, LLVMBool IsReadOnly);
+typedef LLVMBool (*LLVMMemoryManagerFinalizeMemoryCallback)(
+  void *Opaque, char **ErrMsg);
+typedef void (*LLVMMemoryManagerDestroyCallback)(void *Opaque);
+
+/**
+ * Create a simple custom MCJIT memory manager. This memory manager can
+ * intercept allocations in a module-oblivious way. This will return NULL
+ * if any of the passed functions are NULL.
+ *
+ * @param Opaque An opaque client object to pass back to the callbacks.
+ * @param AllocateCodeSection Allocate a block of memory for executable code.
+ * @param AllocateDataSection Allocate a block of memory for data.
+ * @param FinalizeMemory Set page permissions and flush cache. Return 0 on
+ *   success, 1 on error.
+ */
+LLVMMCJITMemoryManagerRef LLVMCreateSimpleMCJITMemoryManager(
+  void *Opaque,
+  LLVMMemoryManagerAllocateCodeSectionCallback AllocateCodeSection,
+  LLVMMemoryManagerAllocateDataSectionCallback AllocateDataSection,
+  LLVMMemoryManagerFinalizeMemoryCallback FinalizeMemory,
+  LLVMMemoryManagerDestroyCallback Destroy);
+
+void LLVMDisposeMCJITMemoryManager(LLVMMCJITMemoryManagerRef MM);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif /* defined(__cplusplus) */
+
+#endif