diff --git a/llvm/include/llvm/IR/RuntimeLibcalls.td b/llvm/include/llvm/IR/RuntimeLibcalls.td
index 671d0f315f5fb..09e33d7f89e8a 100644
--- a/llvm/include/llvm/IR/RuntimeLibcalls.td
+++ b/llvm/include/llvm/IR/RuntimeLibcalls.td
@@ -3349,6 +3349,7 @@ def XCoreSystemLibrary
     (add DefaultRuntimeLibcallImpls,
          exp10f, exp10, exp10l_f128,
          __memcpy_4,
+         iprintf, siprintf, fiprintf,
          LibcallImpls<(add LibmF128Libcalls, LibmF128FiniteLibcalls), isGNUEnvironment>
 )>;
 
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/xcore.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/xcore.ll
new file mode 100644
index 0000000000000..c1326ac980f4b
--- /dev/null
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/xcore.ll
@@ -0,0 +1,6 @@
+; REQUIRES: webassembly-registered-target
+; RUN: opt -S -passes=declare-runtime-libcalls -mtriple=xcore < %s | FileCheck %s
+
+; CHECK: declare void @fiprintf(...)
+; CHECK: declare void @iprintf(...)
+; CHECK: declare void @siprintf(...)