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24 lines
578 B
Plaintext
24 lines
578 B
Plaintext
; LFTR should eliminate the need for the computation of i*i completely. It
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; is only used to compute the exit value.
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; RUN: llvm-as < %s | opt -indvars -dce | llvm-dis | not grep mul
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%A = external global int
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implementation
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int %quadratic_setlt() { ;; for (i = 7; i*i < 1000; ++i)
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entry:
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br label %loop
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loop:
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%i = phi int [ 7, %entry ], [ %i.next, %loop ]
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%i.next = add int %i, 1
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store int %i, int* %A
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%i2 = mul int %i, %i
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%c = setlt int %i2, 1000
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br bool %c, label %loop, label %loopexit
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loopexit:
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ret int %i
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}
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