| commit | a27264ed2feed009363f961a1fbf8ef8fd083fc1 | |
| author | msebor <msebor@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 24 Nov 2016 22:45:18 +0000 (24 22:45 +0000) | ||
| committer | msebor <msebor@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 24 Nov 2016 22:45:18 +0000 (24 22:45 +0000) | ||
| tree | 7ee68f768e332dc043f3d3122d0c2568c3153af3 | treesnapshot (tar.gz zip) |
| parent | 0d70188a33b8352039c3647380e8a5bb44814222 | commitdiff |
PR tree-optimization/78476 - snprintf(0, 0, ...) with known arguments not optimized away
gcc/testsuite/ChangeLog:
PR tree-optimization/78476
* gcc.dg/tree-ssa/builtin-sprintf-5.c: New test.
gcc/ChangeLog:
PR tree-optimization/78476
* gimple-ssa-sprintf.c (struct pass_sprintf_length::call_info):
Add a member.
(handle_gimple_call): Adjust signature.
(try_substitute_return_value): Remove calls to bounded functions
with zero buffer size whose result is known.
(pass_sprintf_length::execute): Adjust call to handle_gimple_call.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@242854 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/testsuite/ChangeLog:
PR tree-optimization/78476
* gcc.dg/tree-ssa/builtin-sprintf-5.c: New test.
gcc/ChangeLog:
PR tree-optimization/78476
* gimple-ssa-sprintf.c (struct pass_sprintf_length::call_info):
Add a member.
(handle_gimple_call): Adjust signature.
(try_substitute_return_value): Remove calls to bounded functions
with zero buffer size whose result is known.
(pass_sprintf_length::execute): Adjust call to handle_gimple_call.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@242854 138bc75d-0d04-0410-961f-82ee72b054a4