1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -gvn 2*9880d681SAndroid Build Coastguard Worker; PR12858 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine void @fn5(i16 signext %p1, i8 signext %p2) nounwind uwtable { 5*9880d681SAndroid Build Coastguard Workerentry: 6*9880d681SAndroid Build Coastguard Worker br i1 undef, label %if.else, label %if.then 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerif.then: ; preds = %entry 9*9880d681SAndroid Build Coastguard Worker br label %if.end 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerif.else: ; preds = %entry 12*9880d681SAndroid Build Coastguard Worker %conv = sext i16 %p1 to i32 13*9880d681SAndroid Build Coastguard Worker br label %if.end 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerif.end: ; preds = %if.else, %if.then 16*9880d681SAndroid Build Coastguard Worker %conv1 = sext i16 %p1 to i32 17*9880d681SAndroid Build Coastguard Worker br i1 undef, label %if.then3, label %if.else4 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerif.then3: ; preds = %if.end 20*9880d681SAndroid Build Coastguard Worker br label %if.end12 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerif.else4: ; preds = %if.end 23*9880d681SAndroid Build Coastguard Worker %conv7 = sext i8 %p2 to i32 24*9880d681SAndroid Build Coastguard Worker %cmp8 = icmp eq i32 %conv1, %conv7 25*9880d681SAndroid Build Coastguard Worker br i1 %cmp8, label %if.then10, label %if.end12 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerif.then10: ; preds = %if.else4 28*9880d681SAndroid Build Coastguard Worker br label %if.end12 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Workerif.end12: ; preds = %if.then10, %if.else4, %if.then3 31*9880d681SAndroid Build Coastguard Worker %conv13 = sext i8 %p2 to i32 32*9880d681SAndroid Build Coastguard Worker ret void 33*9880d681SAndroid Build Coastguard Worker} 34