1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -analyze -scalar-evolution 2>&1 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; CHECK: Loop %bb: backedge-taken count is (7 + (-1 * %argc)) 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdefine i32 @main(i32 %argc, i8** %argv) nounwind { 6*9880d681SAndroid Build Coastguard Workerentry: 7*9880d681SAndroid Build Coastguard Worker %0 = icmp ugt i32 %argc, 7 ; <i1> [#uses=1] 8*9880d681SAndroid Build Coastguard Worker br i1 %0, label %bb2, label %bb.nph 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerbb.nph: ; preds = %entry 11*9880d681SAndroid Build Coastguard Worker br label %bb 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Workerbb: ; preds = %bb.nph, %bb1 14*9880d681SAndroid Build Coastguard Worker %indvar = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb1 ] ; <i32> [#uses=2] 15*9880d681SAndroid Build Coastguard Worker %argc_addr.04 = add i32 %indvar, %argc ; <i32> [#uses=1] 16*9880d681SAndroid Build Coastguard Worker tail call void (...) @Test() nounwind 17*9880d681SAndroid Build Coastguard Worker %1 = add i32 %argc_addr.04, 1 ; <i32> [#uses=1] 18*9880d681SAndroid Build Coastguard Worker br label %bb1 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Workerbb1: ; preds = %bb 21*9880d681SAndroid Build Coastguard Worker %phitmp = icmp ugt i32 %1, 7 ; <i1> [#uses=1] 22*9880d681SAndroid Build Coastguard Worker %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 23*9880d681SAndroid Build Coastguard Worker br i1 %phitmp, label %bb1.bb2_crit_edge, label %bb 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerbb1.bb2_crit_edge: ; preds = %bb1 26*9880d681SAndroid Build Coastguard Worker br label %bb2 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Workerbb2: ; preds = %bb1.bb2_crit_edge, %entry 29*9880d681SAndroid Build Coastguard Worker ret i32 0 30*9880d681SAndroid Build Coastguard Worker} 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerdeclare void @Test(...) 33