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| author | Kazu Hirata <kazu@cs.umass.edu> | 2005-01-20 19:20:39 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2005-01-20 19:20:39 +0000 |
| commit | 23ab2e4e18a866eee66c4576b4a7f98c1124cbf4 (patch) | |
| tree | 927e668d4041aad3c145ef07614cb36fd0edcd0f /gcc/tree-optimize.c | |
| parent | db01eeba125e00d2d138e350526a44dfae4f3c13 (diff) | |
| download | gcc-23ab2e4e18a866eee66c4576b4a7f98c1124cbf4.zip gcc-23ab2e4e18a866eee66c4576b4a7f98c1124cbf4.tar.gz gcc-23ab2e4e18a866eee66c4576b4a7f98c1124cbf4.tar.bz2 | |
re PR tree-optimization/15349 ([tree-ssa] Merge two phi nodes.)
PR tree-optimization/15349
* timevar.def (TV_TREE_MERGE_PHI): New.
* tree-cfg.c (tree_forwarder_block_p): Add a new argument
PHI_WANTED.
(remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
calls to tree_forwarder_block_p.
(remove_forwarder_block_with_phi, merge_phi_nodes,
gate_merge_phi, pass_merge_phi): New.
* tree-optimize.c (init_tree_optimization_passes): Add
pass_merge_phi.
* tree-pass.h: Add an extern for pass_merge_phi;
PR tree-optimization/15349
* testsuite/gcc.dg/tree-ssa/pr15349.c: New.
From-SVN: r93977
Diffstat (limited to 'gcc/tree-optimize.c')
| -rw-r--r-- | gcc/tree-optimize.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-optimize.c b/gcc/tree-optimize.c index 6b28d08..a66e8fd 100644 --- a/gcc/tree-optimize.c +++ b/gcc/tree-optimize.c @@ -354,6 +354,7 @@ init_tree_optimization_passes (void) NEXT_PASS (pass_dominator); NEXT_PASS (pass_redundant_phi); NEXT_PASS (pass_dce); + NEXT_PASS (pass_merge_phi); NEXT_PASS (pass_forwprop); NEXT_PASS (pass_phiopt); NEXT_PASS (pass_may_alias); |