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| author | Richard Guenther <rguenther@suse.de> | 2009-03-28 10:11:14 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-03-28 10:11:14 +0000 |
| commit | 6cdb0ee3658b05acfd6e3ffa51047dc4558b14cb (patch) | |
| tree | aeb29cda7c04bca0cd95e139b6a68576a97d704f /gcc/tree-ssa-sccvn.c | |
| parent | 8ca1fd7674f5ffff8d7ab4b9a4909073e7d26da1 (diff) | |
| download | gcc-6cdb0ee3658b05acfd6e3ffa51047dc4558b14cb.zip gcc-6cdb0ee3658b05acfd6e3ffa51047dc4558b14cb.tar.gz gcc-6cdb0ee3658b05acfd6e3ffa51047dc4558b14cb.tar.bz2 | |
re PR tree-optimization/38513 (Only postreload will remove a no-op store)
2009-03-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38513
* tree-ssa-pre.c (eliminate): Remove redundant stores.
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
EXC_PTR_EXPR and FILTER_EXPR.
(get_ref_from_reference_ops): Likewise.
* gcc.dg/tree-ssa/ssa-fre-21.c: New testcase.
* gcc.dg/tree-ssa/ssa-dse-11.c: Adjust.
* gcc.dg/vect/vect-reduc-dot-u8a.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-u8b.c: Likewise.
* gcc.dg/vect/slp-widen-mult-u8.c: Likewise.
* gcc.dg/vect/vect-multitypes-16.c: Likewise.
* gcc.dg/vect/vect-35.c: Likewise.
* gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c: Likewise.
* gcc.dg/vect/vect-multitypes-17.c: Likewise.
* gcc.dg/vect/slp-widen-mult-s16.c: Likewise.
From-SVN: r145172
Diffstat (limited to 'gcc/tree-ssa-sccvn.c')
| -rw-r--r-- | gcc/tree-ssa-sccvn.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c index dc55676..fb90392 100644 --- a/gcc/tree-ssa-sccvn.c +++ b/gcc/tree-ssa-sccvn.c @@ -658,6 +658,8 @@ copy_reference_ops_from_ref (tree ref, VEC(vn_reference_op_s, heap) **result) case CONST_DECL: case RESULT_DECL: case SSA_NAME: + case EXC_PTR_EXPR: + case FILTER_EXPR: temp.op0 = ref; break; case ADDR_EXPR: @@ -750,6 +752,8 @@ get_ref_from_reference_ops (VEC(vn_reference_op_s, heap) *ops) case CONST_DECL: case RESULT_DECL: case SSA_NAME: + case FILTER_EXPR: + case EXC_PTR_EXPR: *op0_p = op->op0; break; |