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Minor improvement to compare elimination

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gcc/
	* compare-elim.c (try_eliminate_compare): Run DCE to clean things
	up before eliminating comparisons.
This commit is contained in:
Jeff Law 2021-06-15 12:42:42 -04:00
parent 4602714382
commit 6d43ec5096
1 changed files with 1 additions and 0 deletions
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gcc/compare-elim.c
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@ -906,6 +906,7 @@ try_eliminate_compare (struct comparison *cmp)
static unsigned int
execute_compare_elim_after_reload (void)
{
df_set_flags (DF_LR_RUN_DCE);
df_analyze ();
gcc_checking_assert (!all_compares.exists ());