On June 23, 2014 5:51:30 PM CEST, Marc Glisse <marc.gli...@inria.fr> wrote: >On Mon, 23 Jun 2014, Jakub Jelinek wrote: > >> Ok for trunk, sorry for the delay. > >Thanks. Richard has moved the passes a bit since then, but I still have > >exactly one spot where the testsuite is ok :-) I need strlen to be >after >dom (for calloc.C) and before vrp (for several strlenopt-*.c). I'll >commit >it tomorrow if there aren't any comments on the pass placement.
But vrp does not run at -O1 - does strlenopt? >2014-06-24 Marc Glisse <marc.gli...@inria.fr> > > PR tree-optimization/57742 >gcc/ > * tree-ssa-strlen.c (get_string_length): Ignore malloc. > (handle_builtin_malloc, handle_builtin_memset): New functions. > (strlen_optimize_stmt): Call them. > * passes.def: Move strlen after loop+dom but before vrp. >gcc/testsuite/ > * g++.dg/tree-ssa/calloc.C: New testcase. > * gcc.dg/tree-ssa/calloc-1.c: Likewise. > * gcc.dg/tree-ssa/calloc-2.c: Likewise. > * gcc.dg/strlenopt-9.c: Adapt.
