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; RUN: llc < %s -march=x86-64 | grep testb
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; Make sure dagcombine doesn't eliminate the comparison due
4
; to an off-by-one bug with ComputeMaskedBits information.
8
define void @foo(i32 %a) {
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%t1 = and i32 %t0, 256
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%t2 = icmp eq i32 %t1, 0
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br i1 %t2, label %true, label %false