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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.
This commit is contained in:
Richard Biener 2022-05-17 17:18:06 +02:00
parent 6101a276c3
commit 941efd87e2
1 changed files with 0 additions and 1 deletions
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gcc/cfgloopmanip.cc
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@ -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)