diff options
| author | Richard Guenther <rguenther@suse.de> | 2012-08-07 12:11:43 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-08-07 12:11:43 +0000 |
| commit | 5f33a4fc3ebcee4a661ed760d037ecfdbb00cfc5 (patch) | |
| tree | 02e3ec579b10a719a3d7f4d2ad5c2cdc6cc883c1 /gcc/tree-nested.c | |
| parent | dcc748dd77c692eb3ef01043a8fed55c796f6f0e (diff) | |
| download | gcc-5f33a4fc3ebcee4a661ed760d037ecfdbb00cfc5.tar.gz | |
tree-into-ssa.c (rewrite_stmt): Remove clobbers for variables we rewrite into SSA form.
2012-08-07 Richard Guenther <rguenther@suse.de>
* tree-into-ssa.c (rewrite_stmt): Remove clobbers for variables
we rewrite into SSA form.
(rewrite_enter_block): Adjust.
* gimple-iterator.c (gsi_replace): Also allow replacement with
a stmt without a lhs.
* tree-ssa-live.c (remove_unused_locals): Remove code handling
clobbers of SSA names.
* tree-nested.c (convert_local_reference_stmt): Remove clobbers
for variables we access through the local chain.
* tree-cfg.c (verify_gimple_assign_single): Verify clobbers
clobber full decls only.
From-SVN: r190200
Diffstat (limited to 'gcc/tree-nested.c')
| -rw-r--r-- | gcc/tree-nested.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/tree-nested.c b/gcc/tree-nested.c index c0a6250fe58..0b99803615d 100644 --- a/gcc/tree-nested.c +++ b/gcc/tree-nested.c @@ -1727,6 +1727,20 @@ convert_local_reference_stmt (gimple_stmt_iterator *gsi, bool *handled_ops_p, *handled_ops_p = false; return NULL_TREE; + case GIMPLE_ASSIGN: + if (gimple_clobber_p (stmt)) + { + tree lhs = gimple_assign_lhs (stmt); + if (!use_pointer_in_frame (lhs) + && lookup_field_for_decl (info, lhs, NO_INSERT)) + { + gsi_replace (gsi, gimple_build_nop (), true); + break; + } + } + *handled_ops_p = false; + return NULL_TREE; + default: /* For every other statement that we are not interested in handling here, let the walker traverse the operands. */ |