1 files changed, 22 insertions, 0 deletions
diff --git a/clang-tools-extra/test/clang-tidy/readability-else-after-return-if-constexpr.cpp b/clang-tools-extra/test/clang-tidy/readability-else-after-return-if-constexpr.cpp
new file mode 100644
index 00000000000..6532940eaf2
--- /dev/null
+++ b/clang-tools-extra/test/clang-tidy/readability-else-after-return-if-constexpr.cpp
@@ -0,0 +1,22 @@
+// RUN: %check_clang_tidy %s readability-else-after-return %t -- -- -std=c++17
+
+// Constexpr if is an exception to the rule, we cannot remove the else.
+void f() {
+  if (sizeof(int) > 4)
+    return;
+  else
+    return;
+  // CHECK-MESSAGES: [[@LINE-2]]:3: warning: do not use 'else' after 'return'
+
+  if constexpr (sizeof(int) > 4)
+    return;
+  else
+    return;
+
+  if constexpr (sizeof(int) > 4)
+    return;
+  else if constexpr (sizeof(long) > 4)
+    return;
+  else
+    return;
+}