diff options
| author | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-12-08 23:01:40 +0000 |
|---|---|---|
| committer | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-12-08 23:01:40 +0000 |
| commit | 40463847db454e793f46a7fe2a2d7683d7e34ced (patch) | |
| tree | f1c5454ba13ad564e707268d461dc545286230f7 /gcc/tree-ssa-copy.c | |
| parent | 74d2efbc4a85bb0f44935ce2fa8b2f4161069563 (diff) | |
| download | gcc-40463847db454e793f46a7fe2a2d7683d7e34ced.tar.gz | |
Fix PR45230, PR45231, and PR45370: fold_stmt_inplace after replace_exp.
2010-12-08 Richard Guenther <rguenther@suse.de>
Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/45230
PR tree-optimization/45231
PR tree-optimization/45370
* sese.c (rename_uses): Returns a bool. Call
recompute_tree_invariant_for_addr_expr only on the RHS of a
GIMPLE_ASSIGN.
(graphite_copy_stmts_from_block): Call fold_stmt_inplace when
rename_uses returns true.
* tree-ssa-copy.c (replace_exp): Add a comment about calling
fold_stmt_inplace after replace_exp.
* gcc.dg/graphite/id-pr45230-1.c: New.
* gcc.dg/graphite/id-pr45231.c: New.
* gfortran.dg/graphite/id-pr45370.f90: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167609 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-copy.c')
| -rw-r--r-- | gcc/tree-ssa-copy.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-copy.c b/gcc/tree-ssa-copy.c index d552c3ab61b..88972750b04 100644 --- a/gcc/tree-ssa-copy.c +++ b/gcc/tree-ssa-copy.c @@ -191,7 +191,10 @@ propagate_value (use_operand_p op_p, tree val) Use this version when not const/copy propagating values. For example, PRE uses this version when building expressions as they would appear - in specific blocks taking into account actions of PHI nodes. */ + in specific blocks taking into account actions of PHI nodes. + + The statement in which an expression has been replaced should be + folded using fold_stmt_inplace. */ void replace_exp (use_operand_p op_p, tree val) |