llvm/test/tools/llvm-reduce/mir/instr-reduce.py

   1 from subprocess import run, PIPE
   2 import re
   3 import sys
   4
   5 llc = run( [ 'llc', '-disable-symbolication','-verify-machineinstrs', '-mtriple=riscv32', '-run-pass=none', '-o', '-', sys.argv[1]], stdout=PIPE, stderr=PIPE )
   6
   7 stdout = llc.stdout.decode()
   8
   9 p = re.compile(r'^\s*%[0-9]+:gpr = ADDI %[0-9]+, 5$', flags=re.MULTILINE)
  10
  11 if (llc.returncode == 0 and p.search(stdout)):
  12   print('This is interesting!')
  13   sys.exit(0)
  14 else:
  15   print('This is NOT interesting!')
  16   sys.exit(1)