Teach the warning about non-POD memset/memcpy/memmove to deal with the
__builtin_ versions of these functions as well as the normal function
versions, so that it works on platforms where memset/memcpy/memmove
are macros that map down to the builtins (e.g., Darwin). Fixes
<rdar://problem/9372688>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133173 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/warn-bad-memaccess.cpp b/test/SemaCXX/warn-bad-memaccess.cpp
index e7d095f..9a998f0 100644
--- a/test/SemaCXX/warn-bad-memaccess.cpp
+++ b/test/SemaCXX/warn-bad-memaccess.cpp
@@ -38,6 +38,46 @@
memcpy(0, &x1, sizeof x1); // \
// expected-warning{{source of this 'memcpy' call is a pointer to dynamic class}} \
// expected-note {{explicitly cast the pointer to silence this warning}}
+
+ __builtin_memset(&x1, 0, sizeof x1); // \
+ // expected-warning {{destination for this '__builtin_memset' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+ __builtin_memset(&x2, 0, sizeof x2); // \
+ // expected-warning {{destination for this '__builtin_memset' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+
+ __builtin_memmove(&x1, 0, sizeof x1); // \
+ // expected-warning{{destination for this '__builtin_memmove' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+ __builtin_memmove(0, &x1, sizeof x1); // \
+ // expected-warning{{source of this '__builtin_memmove' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+ __builtin_memcpy(&x1, 0, sizeof x1); // \
+ // expected-warning{{destination for this '__builtin_memcpy' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+ __builtin_memcpy(0, &x1, sizeof x1); // \
+ // expected-warning{{source of this '__builtin_memcpy' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+
+ __builtin___memset_chk(&x1, 0, sizeof x1, sizeof x1); // \
+ // expected-warning {{destination for this '__builtin___memset_chk' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+ __builtin___memset_chk(&x2, 0, sizeof x2, sizeof x2); // \
+ // expected-warning {{destination for this '__builtin___memset_chk' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+
+ __builtin___memmove_chk(&x1, 0, sizeof x1, sizeof x1); // \
+ // expected-warning{{destination for this '__builtin___memmove_chk' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+ __builtin___memmove_chk(0, &x1, sizeof x1, sizeof x1); // \
+ // expected-warning{{source of this '__builtin___memmove_chk' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+ __builtin___memcpy_chk(&x1, 0, sizeof x1, sizeof x1); // \
+ // expected-warning{{destination for this '__builtin___memcpy_chk' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
+ __builtin___memcpy_chk(0, &x1, sizeof x1, sizeof x1); // \
+ // expected-warning{{source of this '__builtin___memcpy_chk' call is a pointer to dynamic class}} \
+ // expected-note {{explicitly cast the pointer to silence this warning}}
}
void test_nowarn(void *void_ptr) {
@@ -68,3 +108,5 @@
N::memset(&x1, 0, sizeof x1);
}
}
+
+