Modify object size checking builtins to lower to libc calls.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55721 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/AST/Builtins.def b/include/clang/AST/Builtins.def
index 126609b04dc65705aaac73ca2a8f912e01a9b0c0..589b5f69af867fcf60476545bec4c75d77a3748c 100644 (file)
--- a/include/clang/AST/Builtins.def
+++ b/include/clang/AST/Builtins.def
@@ -124,13 +124,13 @@ BUILTIN(__builtin_memset, "v*v*cz", "n")
 BUILTIN(__builtin_return_address, "v*Ui", "n")
 BUILTIN(__builtin_frame_address, "v*Ui", "n")
 // GCC Object size checking builtins
-BUILTIN(__builtin___memset_chk, "v*v*izz", "n")
-BUILTIN(__builtin___memcpy_chk, "v*v*vC*zz", "n")
-BUILTIN(__builtin___memmove_chk, "v*v*vC*zz", "n")
-BUILTIN(__builtin___mempcpy_chk, "v*v*vC*zz", "n")
-BUILTIN(__builtin___strncpy_chk, "c*cC*cC*zz", "n")
-BUILTIN(__builtin___strcpy_chk, "c*cC*cC*z", "n")
-BUILTIN(__builtin___strcat_chk, "c*c*cC*z", "n")
+BUILTIN(__builtin___memset_chk, "v*v*izz", "nF")
+BUILTIN(__builtin___memcpy_chk, "v*v*vC*zz", "nF")
+BUILTIN(__builtin___memmove_chk, "v*v*vC*zz", "nF")
+BUILTIN(__builtin___mempcpy_chk, "v*v*vC*zz", "nF")
+BUILTIN(__builtin___strncpy_chk, "c*cC*cC*zz", "nF")
+BUILTIN(__builtin___strcpy_chk, "c*cC*cC*z", "nF")
+BUILTIN(__builtin___strcat_chk, "c*c*cC*z", "nF")
 BUILTIN(__builtin_expect, "iii"   , "nc")
 BUILTIN(__builtin_prefetch, "vCv*.", "nc")
 BUILTIN(__builtin_trap, "v", "n")