xref: /llvm-project/flang/test/Evaluate/fold-ibits.f90 (revision 34cc706b9664882c6b4564a42d3c108abd043009)
1! RUN: %python %S/test_folding.py %s %flang_fc1
2! Tests folding of IBITS exhaustively over POS/LEN ranges
3module m1
4  implicit integer(a-z)
5  integer, parameter :: res1(*) = [((ibits(not(0),pos,len),len=0,31-pos),pos=0,31)]
6  integer, parameter :: expect1(*) = [((maskr(len),len=0,31-pos),pos=0,31)]
7  logical, parameter :: test1 = all(res1 == expect1)
8  logical, parameter :: test2 = all([((ibits(0,pos,len),len=0,31-pos),pos=0,31)] == 0)
9  integer, parameter :: mess = z'a5a55a5a'
10  integer, parameter :: res3(*) = [((ibits(mess,pos,len),len=0,31-pos),pos=0,31)]
11  integer, parameter :: expect3(*) = [((iand(shiftr(mess,pos),maskr(len)),len=0,31-pos),pos=0,31)]
12  logical, parameter :: test3 = all(res3 == expect3)
13end module
14