add a 'LLVMConstIntOfArbitraryPrecision' api to the C api,
patch by Greg Pfeil!

llvm-svn: 119989
diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index d0fe536..4339583 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -547,6 +547,9 @@
 /* Operations on scalar constants */
 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
                           LLVMBool SignExtend);
+LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
+                                              unsigned NumWords,
+                                              const uint64_t Words[]);
 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char *Text,
                                   uint8_t Radix);
 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char *Text,