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| author | Marc Glisse <marc.glisse@inria.fr> | 2014-06-24 20:50:00 +0200 |
|---|---|---|
| committer | Marc Glisse <glisse@gcc.gnu.org> | 2014-06-24 18:50:00 +0000 |
| commit | 24314386b32b93c759c6722a2c18facae15128ea (patch) | |
| tree | 81ba342aeb4db1f2fe70e25917fc6972499cd2d2 /gcc/tree-streamer-in.c | |
| parent | 84e0f57e35738500e44fd21753e31295d4700bfb (diff) | |
| download | gcc-24314386b32b93c759c6722a2c18facae15128ea.zip gcc-24314386b32b93c759c6722a2c18facae15128ea.tar.gz gcc-24314386b32b93c759c6722a2c18facae15128ea.tar.bz2 | |
re PR tree-optimization/57742 (memset(malloc(n),0,n) -> calloc(n,1))
2014-06-24 Marc Glisse <marc.glisse@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.
From-SVN: r211956
Diffstat (limited to 'gcc/tree-streamer-in.c')
0 files changed, 0 insertions, 0 deletions