add load/store volatility control to the C API, patch by Yiannis Tsiouris!

llvm-svn: 153238
diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index 52b8b1c..7774606 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -2398,6 +2398,8 @@
                                    const char *Name);
 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
                                       const char *Name);
+LLVMBool LLVMGetVolatile(LLVMValueRef MemoryAccessInst);
+void LLVMSetVolatile(LLVMValueRef MemoryAccessInst, LLVMBool IsVolatile);
 
 /* Casts */
 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef, LLVMValueRef Val,