1*9880d681SAndroid Build Coastguard Worker; This is a basic sanity check for constant propagation. The add instruction 2*9880d681SAndroid Build Coastguard Worker; should be eliminated. 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -constprop -die -S | not grep phi 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine i32 @test(i1 %B) { 7*9880d681SAndroid Build Coastguard WorkerBB0: 8*9880d681SAndroid Build Coastguard Worker br i1 %B, label %BB1, label %BB3 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard WorkerBB1: ; preds = %BB0 11*9880d681SAndroid Build Coastguard Worker br label %BB3 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard WorkerBB3: ; preds = %BB1, %BB0 14*9880d681SAndroid Build Coastguard Worker %Ret = phi i32 [ 1, %BB0 ], [ 1, %BB1 ] ; <i32> [#uses=1] 15*9880d681SAndroid Build Coastguard Worker ret i32 %Ret 16*9880d681SAndroid Build Coastguard Worker} 17*9880d681SAndroid Build Coastguard Worker 18