program test
	implicit none
	integer n, k
	read *, n
	k = 2
	do while (k<=n)
		k = k*2
	end do
	print '(i0)', k/2
end program test
; 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"

@_QQcl.c75405c3219c023f499dd2b2a54a3063 = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_7083/source.f\00"
@_QQcl.28693029 = linkonce constant [4 x i8] c"(i0)"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

define void @_QQmain() local_unnamed_addr {
  %1 = alloca i32, align 4
  %2 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.c75405c3219c023f499dd2b2a54a3063, i32 4)
  %3 = call i1 @_FortranAioInputInteger(ptr %2, ptr nonnull %1, i32 4)
  %4 = call i32 @_FortranAioEndIoStatement(ptr %2)
  %5 = load i32, ptr %1, align 4, !tbaa !3
  br label %6

6:                                                ; preds = %6, %0
  %.0 = phi i32 [ 2, %0 ], [ %7, %6 ]
  %.not = icmp sgt i32 %.0, %5
  %7 = shl i32 %.0, 1
  br i1 %.not, label %8, label %6

8:                                                ; preds = %6
  %9 = call ptr @_FortranAioBeginExternalFormattedOutput(ptr nonnull @_QQcl.28693029, i64 4, ptr null, i32 -1, ptr nonnull @_QQcl.c75405c3219c023f499dd2b2a54a3063, i32 9)
  %10 = ashr exact i32 %.0, 1
  %11 = call i1 @_FortranAioOutputInteger32(ptr %9, i32 %10)
  %12 = call i32 @_FortranAioEndIoStatement(ptr %9)
  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 @_FortranAioBeginExternalFormattedOutput(ptr, i64, ptr, 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"}
