1*9880d681SAndroid Build Coastguard Worker; RUN: opt -licm -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine void @f(i1 zeroext %p1) { 4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @f( 5*9880d681SAndroid Build Coastguard Workerentry: 6*9880d681SAndroid Build Coastguard Worker br label %lbl 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerlbl.loopexit: ; No predecessors! 9*9880d681SAndroid Build Coastguard Worker br label %lbl 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerlbl: ; preds = %lbl.loopexit, %entry 12*9880d681SAndroid Build Coastguard Worker %phi = phi i32 [ %conv, %lbl.loopexit ], [ undef, %entry ] 13*9880d681SAndroid Build Coastguard Worker; CHECK: phi i32 [ undef, {{.*}} ], [ undef 14*9880d681SAndroid Build Coastguard Worker br label %if.then.5 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerif.then.5: ; preds = %if.then.5, %lbl 17*9880d681SAndroid Build Coastguard Worker %conv = zext i1 undef to i32 18*9880d681SAndroid Build Coastguard Worker br label %if.then.5 19*9880d681SAndroid Build Coastguard Worker} 20