Don't register the destructors if the list is empty

llvm-svn: 6909
This commit is contained in:
Chris Lattner 2003-06-26 04:20:38 +00:00
parent dda8abec9b
commit 0fe5e45ee9
1 changed files with 6 additions and 2 deletions

View File

@ -34,8 +34,12 @@ void __main(void) {
/* Loop over all of the constructor records, calling each function pointer. */
TorRec *R = __llvm_getGlobalCtors();
if (atexit(run_destructors))
abort(); /* Should be able to install ONE atexit handler! */
/* Only register the global dtor handler if there is at least one global
* dtor!
*/
if (__llvm_getGlobalDtors()[0].FP)
if (atexit(run_destructors))
abort(); /* Should be able to install ONE atexit handler! */
/* FIXME: This should sort the list by priority! */
for (; R->FP; ++R)