1*9880d681SAndroid Build Coastguard Worker; It is illegal to remove BB1 because it will mess up the PHI node! 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -adce -S | grep BB1 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i1 %C, i32 %A, i32 %B) { 6*9880d681SAndroid Build Coastguard Worker; <label>:0 7*9880d681SAndroid Build Coastguard Worker br i1 %C, label %BB1, label %BB2 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard WorkerBB1: ; preds = %0 10*9880d681SAndroid Build Coastguard Worker br label %BB2 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard WorkerBB2: ; preds = %BB1, %0 13*9880d681SAndroid Build Coastguard Worker %R = phi i32 [ %A, %0 ], [ %B, %BB1 ] ; <i32> [#uses=1] 14*9880d681SAndroid Build Coastguard Worker ret i32 %R 15*9880d681SAndroid Build Coastguard Worker} 16*9880d681SAndroid Build Coastguard Worker 17