Add a converter from jscop to iscc input

llvm-svn: 130478

1 files changed, 68 insertions, 0 deletions

diff --git a/polly/utils/pyscop/jscop2iscc.py b/polly/utils/pyscop/jscop2iscc.py
new file mode 100755
index 00000000000..3267e8ebc3c
--- /dev/null
+++ b/polly/utils/pyscop/jscop2iscc.py
@@ -0,0 +1,68 @@
+#!/usr/bin/python
+import argparse, isl, os
+import json
+
+def printDomain(scop):
+
+  domain = isl.USet('{}')
+
+  for statement in scop['statements']:
+    domain = domain.union(isl.USet(statement['domain']))
+
+  print "D :=",
+  print str(domain) + ";"
+
+def printAccesses(scop):
+
+  read = isl.UMap('{}')
+
+  for statement in scop['statements']:
+    for access in statement['accesses']:
+      if access['kind'] == 'read':
+        read = read.union(isl.UMap(access['relation']))
+
+  print "R :=",
+  print str(read) + ";"
+
+  write = isl.UMap('{}')
+
+  for statement in scop['statements']:
+    for access in statement['accesses']:
+      if access['kind'] == 'write':
+        write = write.union(isl.UMap(access['relation']))
+
+  print "W :=",
+  print str(write) + ";"
+
+def printSchedule(scop):
+
+  schedule = isl.UMap('{}')
+
+  for statement in scop['statements']:
+    schedule = schedule.union(isl.UMap(statement['schedule']))
+
+  print "S :=",
+  print str(schedule) + ";"
+
+def __main__():
+  description = 'Translate JSCoP into iscc input'
+  parser = argparse.ArgumentParser(description)
+  parser.add_argument('inputFile', metavar='N', type=file,
+                      help='The JSCoP file')
+
+  args = parser.parse_args()
+  inputFile = args.inputFile
+  scop = json.load(inputFile)
+
+  printDomain(scop)
+  printAccesses(scop)
+  printSchedule(scop)
+
+  print 'R := R * D;'
+  print 'W := W * D;'
+  print 'Dep := (last W before R under S)[0];'
+  print 'schedule D respecting Dep minimizing Dep;'
+
+
+__main__()
+