diff --git a/clang/lib/Basic/Targets/LoongArch.h b/clang/lib/Basic/Targets/LoongArch.h
index 69dc2e9d0471e1..9a17cc3b4f013d 100644
--- a/clang/lib/Basic/Targets/LoongArch.h
+++ b/clang/lib/Basic/Targets/LoongArch.h
@@ -56,6 +56,14 @@ class LLVM_LIBRARY_VISIBILITY LoongArchTargetInfo : public TargetInfo {
 
   ArrayRef<const char *> getGCCRegNames() const override;
 
+  int getEHDataRegisterNumber(unsigned RegNo) const override {
+    if (RegNo == 0)
+      return 4;
+    if (RegNo == 1)
+      return 5;
+    return -1;
+  }
+
   ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
 
   bool validateAsmConstraint(const char *&Name,
diff --git a/clang/test/CodeGen/builtins-loongarch.c b/clang/test/CodeGen/builtins-loongarch.c
new file mode 100644
index 00000000000000..3469b1f955d92d
--- /dev/null
+++ b/clang/test/CodeGen/builtins-loongarch.c
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -Wall -Wno-unused-but-set-variable -Werror -triple loongarch32 -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s
+// RUN: %clang_cc1 -Wall -Wno-unused-but-set-variable -Werror -triple loongarch64 -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s
+
+void test_eh_return_data_regno(void) {
+  // CHECK: store volatile i32 4
+  // CHECK: store volatile i32 5
+  volatile int res;
+  res = __builtin_eh_return_data_regno(0);
+  res = __builtin_eh_return_data_regno(1);
+}