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llvm_ir_generator: mark loads as non-null where applicable.
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@ -685,13 +685,17 @@ class LLVMIRGenerator:
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inbounds=True)
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llouterenv = self.llbuilder.load(llptr)
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llouterenv.metadata['invariant.load'] = self.empty_metadata
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llouterenv.metadata['nonnull'] = self.empty_metadata
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return self.llptr_to_var(llouterenv, env_ty.params["$outer"], var_name)
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def process_GetLocal(self, insn):
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env = insn.environment()
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llptr = self.llptr_to_var(self.map(env), env.type, insn.var_name)
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llptr.name = "ptr.{}.{}".format(env.name, insn.var_name)
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return self.llbuilder.load(llptr, name="val.{}.{}".format(env.name, insn.var_name))
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llvalue = self.llbuilder.load(llptr, name="val.{}.{}".format(env.name, insn.var_name))
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if isinstance(llvalue.type, ll.PointerType):
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llvalue.metadata['nonnull'] = self.empty_metadata
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return llvalue
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def process_SetLocal(self, insn):
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env = insn.environment()
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@ -810,10 +814,12 @@ class LLVMIRGenerator:
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else:
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llptr = self.llbuilder.gep(obj, [self.llindex(0), self.llindex(index)],
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inbounds=True, name="ptr.{}".format(insn.name))
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llval = self.llbuilder.load(llptr, name="val.{}".format(insn.name))
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if types.is_instance(typ) and attr not in typ.constant_attributes:
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llval.metadata['invariant.load'] = self.empty_metadata
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return llval
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llvalue = self.llbuilder.load(llptr, name="val.{}".format(insn.name))
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if types.is_instance(typ) and attr in typ.constant_attributes:
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llvalue.metadata['invariant.load'] = self.empty_metadata
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if isinstance(llvalue.type, ll.PointerType):
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llvalue.metadata['nonnull'] = self.empty_metadata
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return llvalue
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def process_SetAttr(self, insn):
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typ, attr = insn.object().type, insn.attr
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@ -841,7 +847,10 @@ class LLVMIRGenerator:
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llelts = self.llbuilder.extract_value(self.map(insn.list()), 1)
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llelt = self.llbuilder.gep(llelts, [self.map(insn.index())],
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inbounds=True)
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return self.llbuilder.load(llelt)
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llvalue = self.llbuilder.load(llelt)
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if isinstance(llvalue.type, ll.PointerType):
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llvalue.metadata['nonnull'] = self.empty_metadata
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return llvalue
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def process_SetElem(self, insn):
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llelts = self.llbuilder.extract_value(self.map(insn.list()), 1)
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@ -1052,6 +1061,7 @@ class LLVMIRGenerator:
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inbounds=True)
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llouterenv = self.llbuilder.load(llptr)
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llouterenv.metadata['invariant.load'] = self.empty_metadata
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llouterenv.metadata['nonnull'] = self.empty_metadata
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return self.llptr_to_var(llouterenv, env_ty.params["$outer"], var_name)
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else:
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return llenv
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