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| author | Richard Guenther <rguenther@suse.de> | 2012-08-01 11:48:56 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-08-01 11:48:56 +0000 |
| commit | 525174a22213a316c4fb668d839a128ce03c6414 (patch) | |
| tree | e525938828010ae0d2bba879beb2a05b69f70760 /gcc/tree-ssa-dce.c | |
| parent | 137143106086c762d05037b4d420c1eaf8fe6fbc (diff) | |
| download | gcc-525174a22213a316c4fb668d839a128ce03c6414.zip gcc-525174a22213a316c4fb668d839a128ce03c6414.tar.gz gcc-525174a22213a316c4fb668d839a128ce03c6414.tar.bz2 | |
graphite-clast-to-gimple.c (translate_clast_user): Rename virtual operands.
2012-08-01 Richard Guenther <rguenther@suse.de>
* graphite-clast-to-gimple.c (translate_clast_user): Rename
virtual operands.
* sese.c (graphite_copy_stmts_from_block): Do not rename virtual
operands here.
* tree-call-cdce.c (tree_call_cdce): Use
mark_virtual_operands_for_renaming.
* tree-eh.c (sink_clobbers): Simplify.
* tree-flow.h (mark_sym_for_renaming): Remove.
(mark_virtual_operands_for_renaming): New function.
* tree-if-conv.c (tree_if_conversion): Use
mark_virtual_operands_for_renaming.
* tree-inline.c (update_ssa_across_abnormal_edges): Likewise.
* tree-into-ssa.c (mark_sym_for_renaming): Remove.
(mark_virtual_operands_for_renaming): New function.
* tree-loop-distribution.c (tree_loop_distribution): Use
mark_virtual_operands_for_renaming.
* tree-ssa-dce.c (mark_virtual_operand_for_renaming): Do not
update stmts, use mark_virtual_operands_for_renaming.
* tree-ssa-tail-merge.c (release_last_vdef): Remove.
(replace_block_by): Adjust.
(tail_merge_optimize): Use mark_virtual_operands_for_renaming.
* tree-tailcall.c (tree_optimize_tail_calls_1): Use
mark_virtual_operands_for_renaming.
* tree-vect-slp.c (vect_slp_transform_bb): Likewise.
* tree-vectorizer.c (vectorize_loops): Likewise.
From-SVN: r190034
Diffstat (limited to 'gcc/tree-ssa-dce.c')
| -rw-r--r-- | gcc/tree-ssa-dce.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/gcc/tree-ssa-dce.c b/gcc/tree-ssa-dce.c index 4d1b620..c1db16b 100644 --- a/gcc/tree-ssa-dce.c +++ b/gcc/tree-ssa-dce.c @@ -995,31 +995,32 @@ propagate_necessity (struct edge_list *el) } /* Replace all uses of NAME by underlying variable and mark it - for renaming. */ + for renaming. This assumes the defining statement of NAME is + going to be removed. */ void mark_virtual_operand_for_renaming (tree name) { + tree name_var = SSA_NAME_VAR (name); bool used = false; imm_use_iterator iter; use_operand_p use_p; gimple stmt; - tree name_var; - name_var = SSA_NAME_VAR (name); + gcc_assert (VAR_DECL_IS_VIRTUAL_OPERAND (name_var)); FOR_EACH_IMM_USE_STMT (stmt, iter, name) { FOR_EACH_IMM_USE_ON_STMT (use_p, iter) SET_USE (use_p, name_var); - update_stmt (stmt); used = true; } if (used) - mark_sym_for_renaming (name_var); + mark_virtual_operands_for_renaming (cfun); } -/* Replace all uses of result of PHI by underlying variable and mark it - for renaming. */ +/* Replace all uses of the virtual PHI result by its underlying variable + and mark it for renaming. This assumes the PHI node is going to be + removed. */ void mark_virtual_phi_result_for_renaming (gimple phi) |