; RUN: opt -licm -S < %s | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1" target triple = "x86_64-unknown-linux-gnu" ; CHECK-LABEL: @f1 ; CHECK-LABEL: bci_524: ; CHECK: add i32 undef, undef define void @f1(i32 %v) { not_zero.lr.ph: br label %not_zero not_zero: br i1 undef, label %bci_748 , label %bci_314 bci_314: %0 = select i1 undef, i32 undef, i32 undef br label %not_zero bci_524: ; No predecessors! %add = add i32 %0, %0 br label %bci_748 bci_748: ret void }