def test_removeLValness2():
t1 = types.Int(signed=True)
v = valtracker.ValTracker(False,t1,None)
v.createVirtualReg()
bb = basicblock.BasicBlock()
newv = operatorgen.removeLValness(bb,v)
assert(newv == v)
assert(len(bb) == 0)
def test_removeLValness1():
t1 = types.Int(signed=True)
v = valtracker.ValTracker(True,t1,None)
v.createVirtualReg()
bb = basicblock.BasicBlock()
newv = operatorgen.removeLValness(bb,v)
assert(newv != v)
assert(type(bb[0]) == ir.Deref)
assert(bb[0].read[0] == v.reg)
assert(bb[0].assigned[0] == newv.reg)
assert(len(bb) == 1)
assert(newv.lval == False)
assert(type(newv.type) == types.Int)
assert(newv.type.signed == True)
def visit_FuncCall(self,node):
funcSym = self.symTab.lookupSymbol(node.name.name)
funcType = funcSym.type
finalArgs = []
if node.args:
processingVarArgs = False
for i,arg in enumerate(node.args.exprs):
finalArg = self.inFunctionDispatch(arg)
self.assertNonVoid(finalArg)
if not processingVarArgs:
if type(funcType.args[i]) == types.VarArgType:
processingVarArgs = True
if finalArg.type.isInt:
finalArg = operatorgen.promoteToInt(self.curBasicBlock,finalArg)
if not processingVarArgs:
if not finalArg.type.strictTypeMatch(funcType.args[i]):
raise Exception("type mismatch in funcall %s %s incompatible with %s" % (funcSym.name,finalArg.type,funcType.args[i]))
finalArg = operatorgen.removeLValness(self.curBasicBlock,finalArg);
finalArgs.append(finalArg)
else:
if len(funcType.args) != 0:
raise Exception(("calling function %s with no args when it" \
+ " requires args") % funcSym.name)
retType = funcType.rettype.clone()
retV = ValTracker(False,retType,None)
retV.createVirtualReg()
callinst = ir.Call(node.name.name)
callinst.read = list(map(lambda v : v.reg,finalArgs))
if retV.reg != None:
callinst.assigned = [retV.reg]
else:
callinst.assigned = []
self.curBasicBlock.append(callinst)
return retV
