Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/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__()
+

external/llvm-project/polly/utils/pyscop/pyscop.py

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+import json
+from isl import *
+
+class Scop:
+  def __init__(self, filename):
+    f = open(filename, 'r')
+    self.json = json.load(f)
+    return
+
+  def __str__(self):
+    return json.dumps(self.json, indent=2)
+
+  def __repr__(self):
+    return str(self)
+
+  @property
+  def statements(self):
+    return self.json['statements']
+
+class Transforms:
+  """
+  Create a map that interchanges two dimensions 'A' and 'B'
+
+  numberDimensions: The overall number of dimensions
+  dimensionA: The dimension of dimension 'A'
+  dimensionB: The dimension of dimension 'B'
+
+  getInterchange(2, 0, 1):
+  {[d0, d1] -> [d1, d0]}
+  """
+  @staticmethod
+  def getInterchange(numberDimensions, dimensionA, dimensionB):
+
+    dims = ['d' + str(i) for i in range(numberDimensions)]
+    dimString = ",".join(dims)
+
+    changedDims = dims
+    first = dims[dimensionA]
+    second = dims[dimensionB]
+    changedDims[dimensionA] = second
+    changedDims[dimensionB] = first
+    changedDimString = ",".join(changedDims)
+
+    return Map("{[%s] -> [%s]}" % (dimString, changedDimString))
+
+  """
+  Create a map that strip mines one dimension
+
+  numberDimensions: The overall number of dimensions
+  stripMineDim: The dimension to strip mine
+  factor: The strip mining factor
+
+  getStripMine(2, 1, 64):
+  {[d0, d1] -> [d0, o, d1] : o % 64 = 0 and o <= d1 <= d1 + 63}
+  """
+  @staticmethod
+  def getStripMine(numberDimensions, stripMineDim, factor):
+
+    dims = ['d' + str(i) for i in range(numberDimensions)]
+    dimString = ",".join(dims)
+
+    changedDims = dims
+    smd = dims[stripMineDim]
+    changedDims[stripMineDim] = "o,%s" % smd
+    changedDimString = ",".join(changedDims)
+    string = "{[%s] -> [%s]: o %% %i = 0 and o <= %s <= o + %i}" % \
+          (dimString, changedDimString, factor, smd, factor - 1)
+    return Map(string)