1*9880d681SAndroid Build Coastguard Worker; This testcase causes an infinite loop in the instruction combiner, 2*9880d681SAndroid Build Coastguard Worker; because it things that the constant value is a not expression... and 3*9880d681SAndroid Build Coastguard Worker; constantly inverts the branch back and forth. 4*9880d681SAndroid Build Coastguard Worker; 5*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -disable-output 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdefine i8 @test19(i1 %c) { 8*9880d681SAndroid Build Coastguard Worker br i1 true, label %True, label %False 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard WorkerTrue: ; preds = %0 11*9880d681SAndroid Build Coastguard Worker ret i8 1 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard WorkerFalse: ; preds = %0 14*9880d681SAndroid Build Coastguard Worker ret i8 3 15*9880d681SAndroid Build Coastguard Worker} 16*9880d681SAndroid Build Coastguard Worker 17