1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -simplifycfg -adce -S | \ 2*9880d681SAndroid Build Coastguard Worker; RUN: not grep "call void @f1" 3*9880d681SAndroid Build Coastguard Worker; END. 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdeclare void @f1() 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdeclare void @f2() 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdeclare void @f3() 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdeclare void @f4() 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32 %X, i1 %D) { 14*9880d681SAndroid Build Coastguard WorkerE: 15*9880d681SAndroid Build Coastguard Worker %C = icmp eq i32 %X, 0 ; <i1> [#uses=2] 16*9880d681SAndroid Build Coastguard Worker br i1 %C, label %T, label %F 17*9880d681SAndroid Build Coastguard WorkerT: ; preds = %A, %E 18*9880d681SAndroid Build Coastguard Worker br i1 %C, label %B, label %A 19*9880d681SAndroid Build Coastguard WorkerA: ; preds = %T 20*9880d681SAndroid Build Coastguard Worker call void @f1( ) 21*9880d681SAndroid Build Coastguard Worker br i1 %D, label %T, label %F 22*9880d681SAndroid Build Coastguard WorkerB: ; preds = %T 23*9880d681SAndroid Build Coastguard Worker call void @f2( ) 24*9880d681SAndroid Build Coastguard Worker ret i32 345 25*9880d681SAndroid Build Coastguard WorkerF: ; preds = %A, %E 26*9880d681SAndroid Build Coastguard Worker call void @f3( ) 27*9880d681SAndroid Build Coastguard Worker ret i32 123 28*9880d681SAndroid Build Coastguard Worker} 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32 %X, i1 %D) { 31*9880d681SAndroid Build Coastguard WorkerE: 32*9880d681SAndroid Build Coastguard Worker %C = icmp eq i32 %X, 0 ; <i1> [#uses=2] 33*9880d681SAndroid Build Coastguard Worker br i1 %C, label %T, label %F 34*9880d681SAndroid Build Coastguard WorkerT: ; preds = %A, %E 35*9880d681SAndroid Build Coastguard Worker %P = phi i1 [ true, %E ], [ %C, %A ] ; <i1> [#uses=1] 36*9880d681SAndroid Build Coastguard Worker br i1 %P, label %B, label %A 37*9880d681SAndroid Build Coastguard WorkerA: ; preds = %T 38*9880d681SAndroid Build Coastguard Worker call void @f1( ) 39*9880d681SAndroid Build Coastguard Worker br i1 %D, label %T, label %F 40*9880d681SAndroid Build Coastguard WorkerB: ; preds = %T 41*9880d681SAndroid Build Coastguard Worker call void @f2( ) 42*9880d681SAndroid Build Coastguard Worker ret i32 345 43*9880d681SAndroid Build Coastguard WorkerF: ; preds = %A, %E 44*9880d681SAndroid Build Coastguard Worker call void @f3( ) 45*9880d681SAndroid Build Coastguard Worker ret i32 123 46*9880d681SAndroid Build Coastguard Worker} 47*9880d681SAndroid Build Coastguard Worker 48*9880d681SAndroid Build Coastguard Workerdefine i32 @test3(i32 %X, i1 %D, i32* %AP, i32* %BP) { 49*9880d681SAndroid Build Coastguard WorkerE: 50*9880d681SAndroid Build Coastguard Worker %C = icmp eq i32 %X, 0 ; <i1> [#uses=2] 51*9880d681SAndroid Build Coastguard Worker br i1 %C, label %T, label %F 52*9880d681SAndroid Build Coastguard WorkerT: ; preds = %A, %E 53*9880d681SAndroid Build Coastguard Worker call void @f3( ) 54*9880d681SAndroid Build Coastguard Worker %XX = load i32, i32* %AP ; <i32> [#uses=1] 55*9880d681SAndroid Build Coastguard Worker store i32 %XX, i32* %BP 56*9880d681SAndroid Build Coastguard Worker br i1 %C, label %B, label %A 57*9880d681SAndroid Build Coastguard WorkerA: ; preds = %T 58*9880d681SAndroid Build Coastguard Worker call void @f1( ) 59*9880d681SAndroid Build Coastguard Worker br i1 %D, label %T, label %F 60*9880d681SAndroid Build Coastguard WorkerB: ; preds = %T 61*9880d681SAndroid Build Coastguard Worker call void @f2( ) 62*9880d681SAndroid Build Coastguard Worker ret i32 345 63*9880d681SAndroid Build Coastguard WorkerF: ; preds = %A, %E 64*9880d681SAndroid Build Coastguard Worker call void @f3( ) 65*9880d681SAndroid Build Coastguard Worker ret i32 123 66*9880d681SAndroid Build Coastguard Worker} 67