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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-07-11 09:43:25 +0000 |
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| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-07-11 09:43:25 +0000 |
| commit | 1c6d350bdf1969384e29cda6125f9ea07e2877b5 (patch) | |
| tree | a59a2918eee22f42930a6b43e324b024d35f724e /gcc/tree-ssa-propagate.h | |
| parent | ee453562d200acec074f86af3eb87d4c9221365c (diff) | |
| download | gcc-1c6d350bdf1969384e29cda6125f9ea07e2877b5.tar.gz | |
PR tree-optimization/32589
* doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
* tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
* tree-ssa-propagate.c (valid_gimple_expression_p): New
predicate, extracted from...
(set_rhs): ...here. Call it for the expression on entry.
* tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
* tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
(simplify_binary_expression): Use valid_gimple_expression_p
to validate the simplification.
* Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126545 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-propagate.h')
| -rw-r--r-- | gcc/tree-ssa-propagate.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-ssa-propagate.h b/gcc/tree-ssa-propagate.h index 0994c8ac576..94a052624a8 100644 --- a/gcc/tree-ssa-propagate.h +++ b/gcc/tree-ssa-propagate.h @@ -114,6 +114,7 @@ typedef enum ssa_prop_result (*ssa_prop_visit_phi_fn) (tree); /* In tree-ssa-propagate.c */ void ssa_propagate (ssa_prop_visit_stmt_fn, ssa_prop_visit_phi_fn); tree get_rhs (tree); +bool valid_gimple_expression_p (tree expr); bool set_rhs (tree *, tree); tree first_vdef (tree); bool stmt_makes_single_load (tree); |