; RUN: opt -instsimplify -S < %s | FileCheck %s ; CHECK-LABEL: @test define i1 @test(i8 %p, i8* %pq) { %q = load i8, i8* %pq, !range !0 ; %q is known nonzero; no known bits %1 = shl i8 %p, %q ; because %q is nonzero, %1[0] is known to be zero. %2 = and i8 %1, 1 %x = icmp eq i8 %2, 0 ; CHECK: ret i1 true ret i1 %x } !0 = !{ i8 1, i8 5 }