From 9252785532e4b4133e0f61a2c06c7d6fb6bdb150 Mon Sep 17 00:00:00 2001 From: kazu Date: Fri, 3 Dec 2004 07:38:39 +0000 Subject: [PATCH] * tree-ssa-dom.c (record_equivalences_from_phis): Remove an "if" whose condition is always true. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91676 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/tree-ssa-dom.c | 29 ++++++++++++----------------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 42c3c2009cd..6298db47122 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-12-03 Kazu Hirata + + * tree-ssa-dom.c (record_equivalences_from_phis): Remove an + "if" whose condition is always true. + 2004-12-02 Stan Shebs * config/rs6000/rs6000.c (rs6000_override_options): Make 64-bit diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index a2d145922b5..cce041296a7 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -1177,23 +1177,18 @@ record_equivalences_from_phis (basic_block bb) { tree t = PHI_ARG_DEF (phi, i); - if (TREE_CODE (t) == SSA_NAME || is_gimple_min_invariant (t)) - { - /* Ignore alternatives which are the same as our LHS. */ - if (operand_equal_for_phi_arg_p (lhs, t)) - continue; - - /* If we have not processed an alternative yet, then set - RHS to this alternative. */ - if (rhs == NULL) - rhs = t; - /* If we have processed an alternative (stored in RHS), then - see if it is equal to this one. If it isn't, then stop - the search. */ - else if (! operand_equal_for_phi_arg_p (rhs, t)) - break; - } - else + /* Ignore alternatives which are the same as our LHS. */ + if (operand_equal_for_phi_arg_p (lhs, t)) + continue; + + /* If we have not processed an alternative yet, then set + RHS to this alternative. */ + if (rhs == NULL) + rhs = t; + /* If we have processed an alternative (stored in RHS), then + see if it is equal to this one. If it isn't, then stop + the search. */ + else if (! operand_equal_for_phi_arg_p (rhs, t)) break; } -- 2.11.4.GIT