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[Bug tree-optimization/63747] [5 regression] icf mis-compares switch gimple
- From: "joey.ye at arm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 06 Nov 2014 02:25:55 +0000
- Subject: [Bug tree-optimization/63747] [5 regression] icf mis-compares switch gimple
- Auto-submitted: auto-generated
- References: <bug-63747-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63747
--- Comment #2 from Joey Ye <joey.ye at arm dot com> ---
/* { dg-options "-O2" } */
/* { dg-do run } */
static int __attribute__((noinline))
foo(int i)
{
switch (i)
{
case 0:
case 1:
case 2:
case 3:
return 0;
default:
return 1;
}
}
static int __attribute__((noinline))
bar(int i)
{
switch (i)
{
case 4:
case 5:
case 6:
case 7:
return 0;
default:
return 1;
}
}
int main()
{
return foo(0) + bar(4);
}