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| author | Richard Guenther <rguenther@suse.de> | 2012-03-22 07:29:30 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-03-22 07:29:30 +0000 |
| commit | 109a16c2ac1608c8003415a464ea8dabcacbf402 (patch) | |
| tree | b00f4dddf5157722f63811573fba4a0741e7d35d /gcc | |
| parent | 4038e6b8163757dc5e10c220f90889d8cde241f3 (diff) | |
| download | gcc-109a16c2ac1608c8003415a464ea8dabcacbf402.tar.gz | |
re PR tree-optimization/52459 (PRE performs stupid inserts)
2012-03-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52459
* tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
PHI insertion for calls.
From-SVN: r185676
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-pre.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3fce28fd668..0bcae9b1fce 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-03-22 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/52459 + * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit + PHI insertion for calls. + 2012-03-21 Steven Bosscher <steven@gcc.gnu.org> * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg, diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index e5ec931b96f..76df3c623c5 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -3242,6 +3242,10 @@ inhibit_phi_insertion (basic_block bb, pre_expr expr) { switch (op->opcode) { + case CALL_EXPR: + /* Calls are not a problem. */ + return false; + case ARRAY_REF: case ARRAY_RANGE_REF: if (TREE_CODE (op->op0) != SSA_NAME) |