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jez becomes jnz, complete cmp+jmp contraction

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This commit is contained in:
Quentin Carbonneaux 2015-08-07 16:01:07 -04:00
parent ad012e9d55
commit e65a615c90
12 changed files with 77 additions and 75 deletions
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6
lisc/test/alt.ssa
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@ -9,15 +9,15 @@
%alt =w phi @start 0, @left %alt1, @right %alt1
%cnt =w phi @start 100, @left %cnt, @right %cnt1
%alt1 =w sub 1, %alt
jez %alt1, @left, @right
jnz %alt1, @right, @left
@left
%x =w phi @loop 10, @left %x1
%x1 =w sub %x, 1
%z =w copy %x
jez %z, @loop, @left
jnz %z, @left, @loop
@right
%cnt1 =w sub %cnt, %ten
jez %cnt1, @end, @loop
jnz %cnt1, @loop, @end
@end
%ret =w add %cnt, %dum
ret