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| author | Jeff Law <law@redhat.com> | 2006-04-20 10:13:12 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2006-04-20 10:13:12 -0600 |
| commit | bfc646bfc0fe67e0665c2cb2d350339cc10f0b7d (patch) | |
| tree | ffe834ca8d2aa7ec6195e65866e08637f5687da9 /gcc/tree-cfgcleanup.c | |
| parent | 45c792f50b74194c1c3b1038929c1656971bea1b (diff) | |
| download | gcc-bfc646bfc0fe67e0665c2cb2d350339cc10f0b7d.zip gcc-bfc646bfc0fe67e0665c2cb2d350339cc10f0b7d.tar.gz gcc-bfc646bfc0fe67e0665c2cb2d350339cc10f0b7d.tar.bz2 | |
re PR tree-optimization/26854 (Inordinate compile times on large routines)
PR tree-optimization/26854
* tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
checking for zero or one use.
* tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
* tree-cfgcleanup.c (merge_phi_nodes): Similarly.
* tree-ssa-reassoc.c (negate_value): Similarly.
(reassociate_bb): Similarly.
From-SVN: r113120
Diffstat (limited to 'gcc/tree-cfgcleanup.c')
| -rw-r--r-- | gcc/tree-cfgcleanup.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/tree-cfgcleanup.c b/gcc/tree-cfgcleanup.c index fb1ea76..ab452c4 100644 --- a/gcc/tree-cfgcleanup.c +++ b/gcc/tree-cfgcleanup.c @@ -765,13 +765,12 @@ merge_phi_nodes (void) for (phi = phi_nodes (bb); phi; phi = PHI_CHAIN (phi)) { tree result = PHI_RESULT (phi); - int num_uses = num_imm_uses (result); use_operand_p imm_use; tree use_stmt; /* If the PHI's result is never used, then we can just ignore it. */ - if (num_uses == 0) + if (has_zero_uses (result)) continue; /* Get the single use of the result of this PHI node. */ |