diff --git a/src/compiler/compiler_internal.h b/src/compiler/compiler_internal.h
index 59666bde8..3fcb8116e 100644
--- a/src/compiler/compiler_internal.h
+++ b/src/compiler/compiler_internal.h
@@ -1955,6 +1955,7 @@ extern const char *kw_inout;
 extern const char *kw_len;
 extern const char *kw_main;
 extern const char *kw_mainstub;
+extern const char *kw_memcmp;
 extern const char *kw_nameof;
 extern const char *kw_offsetof;
 extern const char *kw_ordinal;
diff --git a/src/compiler/llvm_codegen.c b/src/compiler/llvm_codegen.c
index e28ae88d0..e4a26391d 100644
--- a/src/compiler/llvm_codegen.c
+++ b/src/compiler/llvm_codegen.c
@@ -1213,7 +1213,14 @@ LLVMValueRef llvm_get_ref(GenContext *c, Decl *decl)
 			}
 			LLVMTypeRef type = llvm_get_type(c, decl->type);
 			scratch_buffer_set_extern_decl_name(decl, true);
-			backend_ref = decl->backend_ref = LLVMAddFunction(c->module, scratch_buffer_to_string(), type);
+			if (decl->name == kw_memcmp && c->memcmp_function)
+			{
+				backend_ref = decl->backend_ref = c->memcmp_function;
+			}
+			else
+			{
+				backend_ref = decl->backend_ref = LLVMAddFunction(c->module, scratch_buffer_to_string(), type);
+			}
 			llvm_append_function_attributes(c, decl);
 			if (decl->is_export && platform_target.os == OS_TYPE_WIN32  && !active_target.win.def && decl->name != kw_main && decl->name != kw_mainstub)
 			{
diff --git a/src/compiler/llvm_codegen_expr.c b/src/compiler/llvm_codegen_expr.c
index 733258af7..4b0dc1ff8 100644
--- a/src/compiler/llvm_codegen_expr.c
+++ b/src/compiler/llvm_codegen_expr.c
@@ -3691,10 +3691,10 @@ static inline void llvm_emit_memcmp(GenContext *c, BEValue *be_value, LLVMValueR
 {
 	if (!c->memcmp_function)
 	{
-		c->memcmp_function = LLVMGetNamedFunction(c->module, "memcmp");
+		c->memcmp_function = LLVMGetNamedFunction(c->module, kw_memcmp);
 		if (!c->memcmp_function)
 		{
-			c->memcmp_function = LLVMAddFunction(c->module, "memcmp", c->memcmp_function_type);
+			c->memcmp_function = LLVMAddFunction(c->module, kw_memcmp, c->memcmp_function_type);
 		}
 	}
 	LLVMValueRef args[3] = { ptr, other_ptr, size };
diff --git a/src/compiler/symtab.c b/src/compiler/symtab.c
index 14ea92f4d..ab928dffb 100644
--- a/src/compiler/symtab.c
+++ b/src/compiler/symtab.c
@@ -51,6 +51,7 @@ const char *kw_in;
 const char *kw_inout;
 const char *kw_len;
 const char *kw_main;
+const char *kw_memcmp;
 const char *kw_mainstub;
 const char *kw_nameof;
 const char *kw_offsetof;
@@ -135,6 +136,7 @@ void symtab_init(uint32_t capacity)
 	kw_inout = KW_DEF("inout");
 	kw_mainstub = KW_DEF("_$main");
 	kw_main = KW_DEF("main");
+	kw_memcmp = KW_DEF("memcmp");
 	kw_nameof = KW_DEF("nameof");
 	kw_offsetof = KW_DEF("offsetof");
 	kw_ordinal = KW_DEF("ordinal");