; RUN: opt -licm -basicaa < %s -S | FileCheck %s define void @f(i1 %p) nounwind ssp { entry: br label %for.body for.body: br i1 undef, label %if.then, label %for.cond.backedge for.cond.backedge: br i1 undef, label %for.end104, label %for.body if.then: br i1 undef, label %if.then27, label %if.end.if.end.split_crit_edge.critedge if.then27: ; CHECK: tail call void @llvm.assume tail call void @llvm.assume(i1 %p) br label %for.body61.us if.end.if.end.split_crit_edge.critedge: br label %for.body61 for.body61.us: br i1 undef, label %for.cond.backedge, label %for.body61.us for.body61: br i1 undef, label %for.cond.backedge, label %for.body61 for.end104: ret void } declare void @llvm.assume(i1)