Revert 363295, it caused PR42276. Also revert follow-ups 363337, 363340.

Revert 363340 "Remove unused SK_LValueToRValue initialization step."
Revert 363337 "PR23833, DR2140: an lvalue-to-rvalue conversion on a glvalue of type"
Revert 363295 "C++ DR712 and others: handle non-odr-use resulting from an lvalue-to-rvalue conversion applied to a member access or similar not-quite-trivial lvalue expression."

llvm-svn: 363352

1 files changed, 0 insertions, 47 deletions

diff --git a/clang/test/CodeGenCXX/nullptr.cpp b/clang/test/CodeGenCXX/nullptr.cpp
index 823c0d7d18a..e93f7061bdd 100644
--- a/clang/test/CodeGenCXX/nullptr.cpp
+++ b/clang/test/CodeGenCXX/nullptr.cpp
@@ -22,50 +22,3 @@ void g() {
 const std::type_info& f2() {
   return typeid(nullptr_t);
 }
-
-union U {
-  int n;
-  nullptr_t b;
-};
-// CHECK-LABEL: define {{.*}}pr23833_a
-// CHECK: store
-// CHECK: load
-// CHECK-NOT: load
-// CHECK: ret i1 false
-bool pr23833_a(U &u) { return u.b; }
-
-// CHECK-LABEL: define {{.*}}pr23833_b
-// CHECK: store
-// CHECK: load
-// CHECK-NOT: load
-// CHECK: ret i8* null
-nullptr_t pr23833_b(nullptr_t &n) { return n; }
-
-struct X1 { operator int*(); };
-struct X2 { operator const nullptr_t&(); };
-
-// CHECK-LABEL: define {{.*}}pr23833_c
-// CHECK: call {{.*}}X1
-// CHECK: call {{.*}}X2
-// CHECK-NOT: load
-// CHECK: ret i32
-int pr23833_c() {
-  return X1() != X2();
-}
-
-// CHECK-LABEL: define {{.*}}pr23833_d
-// CHECK: call {{.*}}X2
-// CHECK-NOT: load
-// CHECK: store
-// CHECK: load
-// CHECK: ret i32*
-int *pr23833_d() {
-  int *p = X2();
-  return p;
-}
-
-namespace PR39528 {
-  constexpr nullptr_t null = nullptr;
-  void f(nullptr_t);
-  void g() { f(null); }
-}