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* [gcc(refs/users/aoliva/heads/testme)] init uids in tree-ssa-reassoc
@ 2023-07-27 15:15 Alexandre Oliva
0 siblings, 0 replies; only message in thread
From: Alexandre Oliva @ 2023-07-27 15:15 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:11efcde8f12499f41dd286a0416eef84418718ed
commit 11efcde8f12499f41dd286a0416eef84418718ed
Author: Alexandre Oliva <oliva@gnu.org>
Date: Thu Jul 27 12:12:21 2023 -0300
init uids in tree-ssa-reassoc
Diff:
---
gcc/tree-ssa-reassoc.cc | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/gcc/tree-ssa-reassoc.cc b/gcc/tree-ssa-reassoc.cc
index eda03bf98a6..2a0ea45118f 100644
--- a/gcc/tree-ssa-reassoc.cc
+++ b/gcc/tree-ssa-reassoc.cc
@@ -7254,6 +7254,22 @@ init_reassoc (void)
free (bbs);
calculate_dominance_info (CDI_POST_DOMINATORS);
plus_negates = vNULL;
+
+ /* Make sure gimple uids are initialized; we rely on them in
+ reassoc_stmt_dominates_stmt_p. */
+ basic_block bb;
+ FOR_EACH_BB_FN (bb, cfun)
+ {
+ unsigned int uid = 1;
+
+ for (gimple_stmt_iterator gsi = gsi_start_bb (bb);
+ !gsi_end_p (gsi); gsi_next (&gsi))
+ {
+ gimple *stmt = gsi_stmt (gsi);
+ gimple_set_visited (stmt, false);
+ gimple_set_uid (stmt, uid++);
+ }
+ }
}
/* Cleanup after the reassociation pass, and print stats if
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