1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -scalar-evolution -analyze | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; PR2002 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; CHECK: Loop %loop: backedge-taken count is (100 + (-100 smax %n)) 5*9880d681SAndroid Build Coastguard Workerdefine void @foo(i8 %n) { 6*9880d681SAndroid Build Coastguard Workerentry: 7*9880d681SAndroid Build Coastguard Worker br label %loop 8*9880d681SAndroid Build Coastguard Workerloop: 9*9880d681SAndroid Build Coastguard Worker %i = phi i8 [ -100, %entry ], [ %i.inc, %next ] 10*9880d681SAndroid Build Coastguard Worker %cond = icmp slt i8 %i, %n 11*9880d681SAndroid Build Coastguard Worker br i1 %cond, label %next, label %return 12*9880d681SAndroid Build Coastguard Workernext: 13*9880d681SAndroid Build Coastguard Worker %i.inc = add i8 %i, 1 14*9880d681SAndroid Build Coastguard Worker br label %loop 15*9880d681SAndroid Build Coastguard Workerreturn: 16*9880d681SAndroid Build Coastguard Worker ret void 17*9880d681SAndroid Build Coastguard Worker} 18