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re PR target/82158 (_Noreturn functions that do return clobber caller's registers...
authorJakub Jelinek <jakub@redhat.com>
Fri, 20 Oct 2017 07:35:48 +0000 (09:35 +0200)
committerJakub Jelinek <jakub@gcc.gnu.org>
Fri, 20 Oct 2017 07:35:48 +0000 (09:35 +0200)
commit356fcc67fba52b6d923ab72769247300b847478d
tree5acbfd4819b74914f7d5f76e0f31a2aed423642dtree
parent9a45ffbd122d77a87c49d05b936a9d162625c5d8commit | diff
re PR target/82158 (_Noreturn functions that do return clobber caller's registers on ARM32 (but not other arches))

PR target/82158
* tree-cfg.c (pass_warn_function_return::execute): In noreturn
functions when optimizing replace GIMPLE_RETURN stmts with
calls to __builtin_unreachable ().

* gcc.dg/tree-ssa/noreturn-1.c: New test.

From-SVN: r253926
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/noreturn-1.c [new file with mode: 0644] blob
gcc/tree-cfg.c diff | blob | history