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| author | Richard Guenther <rguenther@suse.de> | 2011-10-18 11:44:15 +0000 |
|---|---|---|
| committer | Richard Guenther <rguenther@suse.de> | 2011-10-18 11:44:15 +0000 |
| commit | c445711d0c0454d633e5a0e2febe2b58791b0444 (patch) | |
| tree | 847629880f509227c06859b1e00e05e1245cf5e0 /gcc/tree-ssa-pre.c | |
| parent | 44eeaa4ec13a300638ce483abab357db214bce9e (diff) | |
2011-10-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50767
* tree-ssa-pre.c (create_expression_by_pieces): Update the
folded statement.
* gcc.dg/torture/pr50767.c: New testcase.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@180134 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index a7f6cee35d8..60ae35cef73 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -3188,7 +3188,8 @@ create_expression_by_pieces (basic_block block, pre_expr expr, /* Fold the last statement. */ gsi = gsi_last (*stmts); - fold_stmt_inplace (&gsi); + if (fold_stmt_inplace (&gsi)) + update_stmt (gsi_stmt (gsi)); /* Add a value number to the temporary. The value may already exist in either NEW_SETS, or AVAIL_OUT, because |