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| author | Richard Biener <rguenther@suse.de> | 2014-10-09 12:45:07 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-10-09 12:45:07 +0000 |
| commit | 12d3031b2c31ad7c9ec956eba52f8451f7b284aa (patch) | |
| tree | b22fea752b05a8fda97103bfae178bf7c7769d48 /gcc/tree-ssa-tail-merge.c | |
| parent | 3b7ea188c0457b2e70bdefc8cb53a790e7e9b296 (diff) | |
| download | gcc-12d3031b2c31ad7c9ec956eba52f8451f7b284aa.zip gcc-12d3031b2c31ad7c9ec956eba52f8451f7b284aa.tar.gz gcc-12d3031b2c31ad7c9ec956eba52f8451f7b284aa.tar.bz2 | |
re PR tree-optimization/63380 (Wrong constant folding)
2014-10-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/63380
* tree-ssa-tail-merge.c (stmt_local_def): Exclude stmts that
may trap.
* gcc.dg/torture/pr63380-1.c: New testcase.
* gcc.dg/torture/pr63380-2.c: Likewise.
From-SVN: r216038
Diffstat (limited to 'gcc/tree-ssa-tail-merge.c')
| -rw-r--r-- | gcc/tree-ssa-tail-merge.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/tree-ssa-tail-merge.c b/gcc/tree-ssa-tail-merge.c index 5615c79..37181bd 100644 --- a/gcc/tree-ssa-tail-merge.c +++ b/gcc/tree-ssa-tail-merge.c @@ -313,9 +313,9 @@ stmt_local_def (gimple stmt) tree val; def_operand_p def_p; - if (gimple_has_side_effects (stmt) - || stmt_could_throw_p (stmt) - || gimple_vdef (stmt) != NULL_TREE) + if (gimple_vdef (stmt) != NULL_TREE + || gimple_has_side_effects (stmt) + || gimple_could_trap_p_1 (stmt, false, false)) return false; def_p = SINGLE_SSA_DEF_OPERAND (stmt, SSA_OP_DEF); |