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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2011-06-16 07:45:17 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2011-06-16 07:45:17 +0000
commit593f938072307ee5332ff494c19349bd4fa8d028 (patch)
tree666e2e34a125f659a4b12b009a25653dbbbefe13 /gcc/tree-vrp.c
parent4815ed0cdab7f5baa2addea8f4a1c3642e25b4bf (diff)
downloadgcc-593f938072307ee5332ff494c19349bd4fa8d028.tar.gz
PR tree-optimization/49419
* tree-vrp.c (execute_vrp): Call init_range_assertions before estimate_numbers_of_iterations, call free_number_of_iterations_estimates before calling remove_range_assertions. * gcc.c-torture/execute/pr49419.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@175092 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vrp.c')
-rw-r--r--gcc/tree-vrp.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index d12d634221c..c049c5d426b 100644
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -7728,14 +7728,14 @@ execute_vrp (void)
rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa);
scev_initialize ();
+ insert_range_assertions ();
+
/* Estimate number of iterations - but do not use undefined behavior
for this. We can't do this lazily as other functions may compute
this using undefined behavior. */
free_numbers_of_iterations_estimates ();
estimate_numbers_of_iterations (false);
- insert_range_assertions ();
-
to_remove_edges = VEC_alloc (edge, heap, 10);
to_update_switch_stmts = VEC_alloc (switch_update, heap, 5);
threadedge_initialize_values ();
@@ -7744,6 +7744,8 @@ execute_vrp (void)
ssa_propagate (vrp_visit_stmt, vrp_visit_phi_node);
vrp_finalize ();
+ free_numbers_of_iterations_estimates ();
+
/* ASSERT_EXPRs must be removed before finalizing jump threads
as finalizing jump threads calls the CFG cleanup code which
does not properly handle ASSERT_EXPRs. */