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| author | Richard Guenther <rguenther@suse.de> | 2009-04-18 13:02:00 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-04-18 13:02:00 +0000 |
| commit | 2586ba4bdaaa47413b9c03ff164d926fe52f8dc1 (patch) | |
| tree | c7477e42aa4ab8005b7012179ea47e216674f598 /gcc/tree-cfg.c | |
| parent | 1eefab17a500e1978e50bdd05c565ed3c607f6b3 (diff) | |
| download | gcc-2586ba4bdaaa47413b9c03ff164d926fe52f8dc1.zip gcc-2586ba4bdaaa47413b9c03ff164d926fe52f8dc1.tar.gz gcc-2586ba4bdaaa47413b9c03ff164d926fe52f8dc1.tar.bz2 | |
re PR tree-optimization/39804 (internal compiler error: in propagate_necessity, at tree-ssa-dce.c:754)
2009-04-18 Richard Guenther <rguenther@suse.de>
PR middle-end/39804
* tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
(fold_stmt): ... this and ...
(fold_stmt_inplace): ... this.
(fold_stmt_1): Fold references in calls and asms.
* tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
* gcc.target/i386/pr39804.c: New testcase.
From-SVN: r146314
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 9862af8..d4aa935 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -1574,7 +1574,8 @@ remove_useless_stmts_cond (gimple_stmt_iterator *gsi, struct rus_data *data) gimple stmt = gsi_stmt (*gsi); /* The folded result must still be a conditional statement. */ - fold_stmt_inplace (stmt); + fold_stmt (gsi); + gcc_assert (gsi_stmt (*gsi) == stmt); data->may_branch = true; |