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From: Martin Liska <marxin@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/marxin/heads/loop-unswitch-improvement-v7)] Support only loops with SSA_NAMEs and CONSTANTS. Date: Wed, 8 Dec 2021 18:26:47 +0000 (GMT) [thread overview] Message-ID: <20211208182647.E50B7385800E@sourceware.org> (raw) https://gcc.gnu.org/g:62f971c68492af83155787a6215698d0da88c756 commit 62f971c68492af83155787a6215698d0da88c756 Author: Martin Liska <mliska@suse.cz> Date: Wed Dec 8 11:15:56 2021 +0100 Support only loops with SSA_NAMEs and CONSTANTS. Diff: --- gcc/tree-ssa-loop-unswitch.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c index 6e25eb703fe..cb4be6d52e2 100644 --- a/gcc/tree-ssa-loop-unswitch.c +++ b/gcc/tree-ssa-loop-unswitch.c @@ -370,6 +370,10 @@ find_unswitching_predicates_for_bb (basic_block bb, class loop *loop, tree lhs = gimple_cond_lhs (stmt); tree rhs = gimple_cond_rhs (stmt); + if (TREE_CODE (lhs) != SSA_NAME + || !TREE_CONSTANT (rhs)) + return; + cond = build2 (gimple_cond_code (stmt), boolean_type_node, lhs, rhs); edge edge_true, edge_false; extract_true_false_edges_from_block (bb, &edge_true, &edge_false);
next reply other threads:[~2021-12-08 18:26 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-08 18:26 Martin Liska [this message] -- strict thread matches above, loose matches on Subject: below -- 2021-12-09 12:48 Martin Liska 2021-12-08 10:18 Martin Liska
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