[c++20] Implement P0428R2 - Familiar template syntax for generic lambdas

Differential Revision: https://reviews.llvm.org/D36527

llvm-svn: 359967

1 files changed, 34 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/mangle-lambda-explicit-template-params.cpp b/clang/test/CodeGenCXX/mangle-lambda-explicit-template-params.cpp
new file mode 100644
index 00000000000..3bec64156a9
--- /dev/null
+++ b/clang/test/CodeGenCXX/mangle-lambda-explicit-template-params.cpp
@@ -0,0 +1,34 @@
+// RUN: %clang_cc1 -std=c++2a -triple %itanium_abi_triple -emit-llvm -o - %s -w | FileCheck %s
+
+template<class, int, class>
+struct DummyType { };
+
+inline void inline_func() {
+  // CHECK: UlvE
+  []{}();
+
+  // CHECK: UlTyvE
+  []<class>{}.operator()<int>();
+
+  // CHECK: UlTyT_E
+  []<class T>(T){}(1);
+
+  // CHECK: UlTyTyT_T0_E
+  []<class T1, class T2>(T1, T2){}(1, 2);
+
+  // CHECK: UlTyTyT0_T_E
+  []<class T1, class T2>(T2, T1){}(2, 1);
+
+  // CHECK: UlTniTyTnjT0_E
+  []<int I, class T, unsigned U>(T){}.operator()<1, int, 2>(3);
+
+  // CHECK: UlTyTtTyTniTyETniTyvE
+  []<class,
+     template<class, int, class> class,
+     int,
+     class>{}.operator()<unsigned, DummyType, 5, int>();
+}
+
+void call_inline_func() {
+  inline_func();
+}