PR rtl-optimizatin/81308
commit7584e69748e5e4d39453c07fda2c63bd802bd496
authorlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 8 Jan 2018 18:20:21 +0000 (8 18:20 +0000)
committerlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 8 Jan 2018 18:20:21 +0000 (8 18:20 +0000)
tree2a8ac5e5a5abf53775d597fed31ff4df51e1ff93
parent942a60144e01a02d21e9062fc8cdd8a5c5d705ce
PR rtl-optimizatin/81308
* tree-switch-conversion.c (cfg_altered): New file scoped static.
(process_switch): If group_case_labels makes a change, then set
cfg_altered.
(pass_convert_switch::execute): If a switch is converted, then
set cfg_altered.  Return TODO_cfg_cleanup if cfg_altered is true.

PR rtl-optimizatin/81308
* g++.dg/pr81308-1.C: New test.
* g++.dg/pr81308-2.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256349 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/g++.dg/pr81308-1.C [new file with mode: 0644]
gcc/testsuite/g++.dg/pr81308-2.C [new file with mode: 0644]
gcc/tree-switch-conversion.c