https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2019-04-29
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
Ever confirmed|0 |1
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 46256
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46256&action=edit
debug stmt DCE
Does the attached help? On the testcase from PR89892 it does
@@ -204,7 +202,6 @@
goto <bb 5>; [100.00%]
<bb 4> [local count: 21570272]:
- # DEBUG d => NULL
# DEBUG d => 0
# DEBUG BEGIN_STMT
# DEBUG BEGIN_STMT
@@ -213,8 +210,6 @@
a ={v} _3;
# DEBUG BEGIN_STMT
# DEBUG d => 1
- # DEBUG d => NULL
- # DEBUG d => 1
# DEBUG BEGIN_STMT
# DEBUG BEGIN_STMT
_5 = c.2_6 + 1;
and later
@@ -268,7 +264,6 @@
# DEBUG BEGIN_STMT
d_26 = d_32 + 1;
# DEBUG d => d_26
- # DEBUG d => d_26
# DEBUG BEGIN_STMT
if (d_26 <= 5)
goto <bb 7>; [89.00%]
for example. I need to ask Alex whether we can ignore location differences
(and what differences) on the debug stmts.
