Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/20040517-1.c @ 152:2b5abeee2509
update gcc11
author | anatofuz |
---|---|
date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-alias-vops" } */ extern void abort (void); int a; extern void __attribute__ ((malloc)) *foo (); void bar (void) { a = 1; foo (); if (a) abort (); } /* We used to treat malloc functions like pure and const functions, but malloc functions may clobber global memory. Only the function result does not alias any other pointer. Hence, we must have a VDEF for a before and after the call to foo(). And one after the call to abort(). */ /* { dg-final { scan-tree-dump-times "VDEF" 3 "alias"} } */