program main
integer :: i = 0,a,b

read *,a,b

do 
if (b == 1) exit
i = i + 1 
if ((a-1)*i + 1 >= b) exit
end do

print *,i

end program
; ModuleID = 'FIRModule'
source_filename = "FIRModule"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

@_QFEi = internal unnamed_addr global i32 0
@_QQcl.e3fa33f965b3701060fedb57bcb0c1d6 = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_3349/source.f\00"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

define void @_QQmain() local_unnamed_addr {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.e3fa33f965b3701060fedb57bcb0c1d6, i32 4)
  %4 = call i1 @_FortranAioInputInteger(ptr %3, ptr nonnull %1, i32 4)
  %5 = call i1 @_FortranAioInputInteger(ptr %3, ptr nonnull %2, i32 4)
  %6 = call i32 @_FortranAioEndIoStatement(ptr %3)
  %.old = load i32, ptr %2, align 4, !tbaa !3
  %.old1 = icmp eq i32 %.old, 1
  br i1 %.old1, label %14, label %.preheader

.preheader:                                       ; preds = %0
  %7 = load i32, ptr %1, align 4, !tbaa !3
  %8 = add i32 %7, -1
  %_QFEi.promoted = load i32, ptr @_QFEi, align 4, !tbaa !3
  br label %9

9:                                                ; preds = %.preheader, %9
  %10 = phi i32 [ %_QFEi.promoted, %.preheader ], [ %11, %9 ]
  %11 = add i32 %10, 1
  %12 = mul i32 %8, %11
  %13 = add i32 %12, 1
  %.not = icmp slt i32 %13, %.old
  br i1 %.not, label %9, label %.loopexit

.loopexit:                                        ; preds = %9
  store i32 %11, ptr @_QFEi, align 4, !tbaa !3
  br label %14

14:                                               ; preds = %.loopexit, %0
  %15 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.e3fa33f965b3701060fedb57bcb0c1d6, i32 12)
  %16 = load i32, ptr @_QFEi, align 4, !tbaa !3
  %17 = call i1 @_FortranAioOutputInteger32(ptr %15, i32 %16)
  %18 = call i32 @_FortranAioEndIoStatement(ptr %15)
  ret void
}

declare ptr @_FortranAioBeginExternalListInput(i32, ptr, i32) local_unnamed_addr

declare i1 @_FortranAioInputInteger(ptr, ptr, i32) local_unnamed_addr

declare i32 @_FortranAioEndIoStatement(ptr) local_unnamed_addr

declare ptr @_FortranAioBeginExternalListOutput(i32, ptr, i32) local_unnamed_addr

declare i1 @_FortranAioOutputInteger32(ptr, i32) local_unnamed_addr

!llvm.module.flags = !{!0, !1, !2}

!0 = !{i32 2, !"Debug Info Version", i32 3}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{!4, !4, i64 0}
!4 = !{!"any data access", !5, i64 0}
!5 = !{!"any access", !6, i64 0}
!6 = !{!"Flang Type TBAA Root"}
