OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR tree-optimization/51491 (ccp when converting from alloca should add a CLOBBER to right before __builtin_stack_restore)

Browse Source 
2011-12-17  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/51491
	* gcc.dg/pr51491.c: New test.
	* gcc.dg/pr51491-2.c: Same.

From-SVN: r182433
This commit is contained in:
Tom de Vries 2011-12-17 11:39:49 +00:00 committed by Tom de Vries
parent 2f31f742a6
commit bc958632e5
3 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
2011-12-17 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/51491
* gcc.dg/pr51491.c: New test.
* gcc.dg/pr51491-2.c: Same.
2011-12-16 Jason Merrill <jason@redhat.com>
PR c++/51416

34
gcc/testsuite/gcc.dg/pr51491-2.c Normal file
View File

@ -0,0 +1,34 @@
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-ccp1" } */
int g (int *);
int
f (int n)
{
int tt = 0;
int t = 4;
{
int a[t
+ (tt != 0 ? 6 : 0)
];
tt = g (a);
{
int b[n];
tt += g (b);
if (n > 20)
tt += 148 * g (b);
tt += b[0];
}
tt += a[0];
}
{
int a[4];
tt += g (a);
tt += a[0];
}
return tt;
}
/* { dg-final { scan-tree-dump-times "CLOBBER" 2 "ccp1"} } */
/* { dg-final { cleanup-treee-dump "ccp1" } } */

25
gcc/testsuite/gcc.dg/pr51491.c Normal file
View File

@ -0,0 +1,25 @@
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-rtl-expand" } */
int g(int*);
int f(void)
{
int tt = 0;
int t = 4;
{
int a[t];
tt = g(a);
tt += a[0];
}
{
int a[4];
tt += g(a);
tt += a[0];
}
return tt;
}
/* { dg-final { scan-rtl-dump-times "Partition" 1 "expand"} } */
/* { dg-final { cleanup-rtl-dump "expand" } } */