| ; 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 } |