def set_weights(self, weights):
operands = [MetaDataString(self.module, "branch_weights")]
for w in weights:
if w < 0:
raise ValueError("branch weight must be a positive integer")
operands.append(Constant(types.IntType(32), w))
md = self.module.add_metadata(operands)
self.set_metadata("prof", md)
def add_case(self, val, block):
assert isinstance(block, Block)
if not isinstance(val, Value):
val = Constant(self.value.type, val)
self.cases.append((val, block))