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Fix edge case where leftover pushes would occasionally cause infinite loops in

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the analysis.
This commit is contained in:
David Given 2016-10-01 23:41:35 +02:00
parent 73d7e89c32
commit 65e75be42d
1 changed files with 5 additions and 0 deletions
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5
mach/proto/mcg/pass_convertstackops.c
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@ -107,6 +107,11 @@ static void convert_block(struct procedure* proc, struct basicblock* bb)
} }
} }
/* If we didn't actually find anything, give up. */
if ((pushes.count == 0) || (pops.count == 0))
return;
/* Okay, now we can wire them all up. */ /* Okay, now we can wire them all up. */
for (i=0; i<pushes.count; i++) for (i=0; i<pushes.count; i++)