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* [gcc r13-565] Do not clear bb->aux in duplicate_loop_body_to_header_edge
@ 2022-05-17 15:53 Richard Biener
0 siblings, 0 replies; only message in thread
From: Richard Biener @ 2022-05-17 15:53 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:941efd87e22b1b88e3488b8e681d14d0d66e45ac
commit r13-565-g941efd87e22b1b88e3488b8e681d14d0d66e45ac
Author: Richard Biener <rguenther@suse.de>
Date: Tue May 17 17:18:06 2022 +0200
Do not clear bb->aux in duplicate_loop_body_to_header_edge
duplicate_loop_body_to_header_edge clears bb->aux which is not wanted
by a new use in loop unswitching. The clearing was introduced with
r0-69110-g6580ee7781f903 and it seems accidentially so.
2022-05-17 Richard Biener <rguenther@suse.de>
* cfgloopmanip.cc (duplicate_loop_body_to_header_edge): Do
not clear bb->aux of the copied blocks.
Diff:
---
gcc/cfgloopmanip.cc | 1 -
1 file changed, 1 deletion(-)
diff --git a/gcc/cfgloopmanip.cc b/gcc/cfgloopmanip.cc
index b4357c03e86..7736e3ec709 100644
--- a/gcc/cfgloopmanip.cc
+++ b/gcc/cfgloopmanip.cc
@@ -1351,7 +1351,6 @@ duplicate_loop_body_to_header_edge (class loop *loop, edge e,
unsigned j;
bb = bbs[i];
- bb->aux = 0;
auto_vec<basic_block> dom_bbs = get_dominated_by (CDI_DOMINATORS, bb);
FOR_EACH_VEC_ELT (dom_bbs, j, dominated)
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2022-05-17 15:53 [gcc r13-565] Do not clear bb->aux in duplicate_loop_body_to_header_edge Richard Biener
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