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1; RUN: opt -passes=licm -S < %s | FileCheck %s2 3define void @f(i1 %c) {4; CHECK-LABEL: @f(5entry:6 br label %bb07 8bb0:9 %tobool7 = icmp eq i1 0, 110 br label %bb111 12bb1:13 br i1 %c, label %bb0, label %bb014 15unreachable:16; CHECK-LABEL: unreachable:17; CHECK: br i1 poison, label %unreachable, label %unreachable18 br i1 %tobool7, label %unreachable, label %unreachable19 20bb3:21 unreachable22}23