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| author | Yvan Roux <yvan.roux@linaro.org> | 2016-04-12 13:39:01 +0200 |
|---|---|---|
| committer | Yvan Roux <yvan.roux@linaro.org> | 2016-04-14 08:32:53 +0200 |
| commit | 8d7043e84c526ead366949c3c30ce74f964efe91 (patch) | |
| tree | 78fe3a1a7554a848fc30717c71105e45359bf3ef /gcc/tree-ssa-loop-ivcanon.c | |
| parent | 55d3bceea8eef018564a026e615af58cca5d6273 (diff) | |
| download | gcc-8d7043e84c526ead366949c3c30ce74f964efe91.tar.gz | |
Merge branches/gcc-5-branch rev 234898.
Change-Id: I076a131171e689eede74dd1827406c6d3855fcbd
Diffstat (limited to 'gcc/tree-ssa-loop-ivcanon.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivcanon.c | 36 |
1 files changed, 2 insertions, 34 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c index 138468d396a..f97c81912a6 100644 --- a/gcc/tree-ssa-loop-ivcanon.c +++ b/gcc/tree-ssa-loop-ivcanon.c @@ -1193,38 +1193,6 @@ canonicalize_induction_variables (void) return 0; } -/* Propagate VAL into all uses of SSA_NAME. */ - -static void -propagate_into_all_uses (tree ssa_name, tree val) -{ - imm_use_iterator iter; - gimple use_stmt; - - FOR_EACH_IMM_USE_STMT (use_stmt, iter, ssa_name) - { - gimple_stmt_iterator use_stmt_gsi = gsi_for_stmt (use_stmt); - use_operand_p use; - - FOR_EACH_IMM_USE_ON_STMT (use, iter) - SET_USE (use, val); - - if (is_gimple_assign (use_stmt) - && get_gimple_rhs_class (gimple_assign_rhs_code (use_stmt)) - == GIMPLE_SINGLE_RHS) - { - tree rhs = gimple_assign_rhs1 (use_stmt); - - if (TREE_CODE (rhs) == ADDR_EXPR) - recompute_tree_invariant_for_addr_expr (rhs); - } - - fold_stmt_inplace (&use_stmt_gsi); - update_stmt (use_stmt); - maybe_clean_or_replace_eh_stmt (use_stmt, use_stmt); - } -} - /* Propagate constant SSA_NAMEs defined in basic block BB. */ static void @@ -1241,7 +1209,7 @@ propagate_constants_for_unrolling (basic_block bb) && gimple_phi_num_args (phi) == 1 && TREE_CODE (arg) == INTEGER_CST) { - propagate_into_all_uses (result, arg); + replace_uses_by (result, arg); gsi_remove (&gsi, true); release_ssa_name (result); } @@ -1260,7 +1228,7 @@ propagate_constants_for_unrolling (basic_block bb) && (lhs = gimple_assign_lhs (stmt), TREE_CODE (lhs) == SSA_NAME) && !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (lhs)) { - propagate_into_all_uses (lhs, gimple_assign_rhs1 (stmt)); + replace_uses_by (lhs, gimple_assign_rhs1 (stmt)); gsi_remove (&gsi, true); release_ssa_name (lhs); } |