1*9880d681SAndroid Build Coastguard Worker; RUN: opt -bdce -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: opt -passes=bdce -S < %s | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdeclare i32 @strlen(i8*) readonly nounwind 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine void @test1() { 7*9880d681SAndroid Build Coastguard Worker call i32 @strlen( i8* null ) 8*9880d681SAndroid Build Coastguard Worker ret void 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1 11*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call 12*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 13*9880d681SAndroid Build Coastguard Worker} 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerdefine i32 @test2() personality i32 (...)* @__gxx_personality_v0 { 16*9880d681SAndroid Build Coastguard Worker ; invoke of pure function should not be deleted! 17*9880d681SAndroid Build Coastguard Worker invoke i32 @strlen( i8* null ) readnone 18*9880d681SAndroid Build Coastguard Worker to label %Cont unwind label %Other 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard WorkerCont: ; preds = %0 21*9880d681SAndroid Build Coastguard Worker ret i32 0 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard WorkerOther: ; preds = %0 24*9880d681SAndroid Build Coastguard Worker %exn = landingpad {i8*, i32} 25*9880d681SAndroid Build Coastguard Worker cleanup 26*9880d681SAndroid Build Coastguard Worker ret i32 1 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test2 29*9880d681SAndroid Build Coastguard Worker; CHECK: invoke 30*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 1 31*9880d681SAndroid Build Coastguard Worker} 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Workerdeclare i32 @__gxx_personality_v0(...) 34*9880d681SAndroid Build Coastguard Worker 35