[Bug tree-optimization/21458] New: VRP does not remove a conditional in a loop
kazu at cs dot umass dot edu
gcc-bugzilla@gcc.gnu.org
Mon May 9 01:05:00 GMT 2005
Consider
extern void g (void);
extern void bar (int);
int
foo (int a)
{
int i;
for (i = 1; i < 100; i++)
{
if (i)
g ();
}
/* Force VRP to run. */
if (a)
bar (a);
}
VRP does not remove the first "if" statement.
--
Summary: VRP does not remove a conditional in a loop
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: enhancement
Priority: P2
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: kazu at cs dot umass dot edu
CC: dnovillo at redhat dot com,gcc-bugs at gcc dot gnu dot
org,steven at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21458
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