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authorJeff Law <law@redhat.com>2017-12-12 15:46:46 -0700
committerJeff Law <law@gcc.gnu.org>2017-12-12 15:46:46 -0700
commitdf80fc5328ebafa5c33a783a32dd819271a49312 (patch)
treee41c0f11f99141ab8639d901936689c17b09a152 /gcc/gimple-ssa-evrp.c
parent708eab9b5bfdb5be44253dbac5f58cea5c652c55 (diff)
re PR tree-optimization/83298 (wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu)
PR tree-optimization/83298 PR tree-optimization/83362 PR tree-optimization/83383 * gimple-ssa-evrp-analyze.h (class evrp_range_analyzer): Make push_value_range a public interface. Add new argument to record_ranges_from_stmt. * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::record_ranges_from_stmt): Add new argument. Update comments. Handle recording temporary equivalences. * tree-ssa-dom.c (dom_opt_opt_walker::before_dom_children): Add new argument to call to evrp_range_analyzer::record_ranges_from_stmt. * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Likewise. * tree-ssa-threadedge.c: Include alloc-pool.h, vr-values.h and gimple-ssa-evrp-analyze.h. (record_temporary_equivalences_from_phis): Add new argument. When the PHI arg is an SSA_NAME, set the result's range to the range of the PHI arg. (record_temporary_equivalences_from_stmts_at_dest): Record ranges from statements too. (thread_through_normal_block): Accept new argument, evrp_range_analyzer. Pass it down to children as needed. (thread_outgoing_edges): Likewise. (thread_across_edge): Likewise. Push/pop range state as needed. * tree-ssa-threadedge.h (thread_outgoing_edges): Update prototype. PR tree-optimization/83298 PR tree-optimization/83362 PR tree-optimization/83383 * gcc.c-torture/execute/pr83298.c: New test. * gcc.c-torture/execute/pr83362.c New test. * gcc.c-torture/execute/pr83383.c New test. From-SVN: r255593
Diffstat (limited to 'gcc/gimple-ssa-evrp.c')
-rw-r--r--gcc/gimple-ssa-evrp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/gimple-ssa-evrp.c b/gcc/gimple-ssa-evrp.c
index 609ce38f218..112a43f4e8e 100644
--- a/gcc/gimple-ssa-evrp.c
+++ b/gcc/gimple-ssa-evrp.c
@@ -134,7 +134,7 @@ evrp_dom_walker::before_dom_children (basic_block bb)
print_gimple_stmt (dump_file, stmt, 0);
}
- evrp_range_analyzer.record_ranges_from_stmt (stmt);
+ evrp_range_analyzer.record_ranges_from_stmt (stmt, false);
if (gcond *cond = dyn_cast <gcond *> (stmt))
{