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# tests that %b and %a0 do not end up in
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# the same register at the start of @loop
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export function l $f(l %a) {
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@start
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@loop
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%b =l phi @start 42, @loop0 %a1, @loop1 %a1
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%a0 =l phi @start %a, @loop0 %a1, @loop1 %a1
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%a1 =l sub %a0, 1
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jnz %b, @loop0, @loop1
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@loop0
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jnz %a1, @loop, @end
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@loop1
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jnz %a1, @loop, @end
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@end
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ret %b
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}
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# >>> driver
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# extern long long f(long long);
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# int main() {
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# return !(f(1) == 42 && f(2) == 1 && f(42) == 1);
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# }
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# <<<
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