[Bug middle-end/63155] [6/7/8 Regression] memory hog

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63155

--- Comment #42 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
---
Author: rsandifo
Date: Mon Oct  8 18:58:59 2018
New Revision: 264941

URL: https://gcc.gnu.org/viewcvs?rev=264941&root=gcc&view=rev
Log:
Use FOR_EACH_IMM_USE_FAST in gimple-ssa-backprop.c

As pointed out by Richard in PR63155.  It speeds up the testcase a few %.

2018-10-08  Richard Sandiford  <richard.sandif...@arm.com>

gcc/
        PR middle-end/63155
        * gimple-ssa-backprop.c (backprop::intersect_uses): Use
        FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-backprop.c