/// @brief Attributes that only apply to function return values.
const uint16_t ReturnOnly = NoReturn | NoUnwind | ReadNone | ReadOnly;
+/// @brief Attributes that can apply to vararg call arguments.
+const uint16_t VarArgsCompatible = ByVal;
+
/// @brief Attributes that are mutually incompatible.
const uint16_t MutuallyIncompatible[3] = {
ByVal | InReg | Nest | StructRet,
if (!Attrs)
return;
- Assert1(FT->isVarArg() ||
- (Attrs->size() &&
- Attrs->getParamIndex(Attrs->size()-1) <= FT->getNumParams()),
- "Attributes after end of type!", V);
-
bool SawNest = false;
for (unsigned Idx = 0; Idx <= FT->getNumParams(); ++Idx) {
Assert1(!F.isStructReturn() || FT->getReturnType() == Type::VoidTy,
"Invalid struct-return function!", &F);
+ const ParamAttrsList *Attrs = F.getParamAttrs();
+
+ Assert1(!Attrs ||
+ (Attrs->size() &&
+ Attrs->getParamIndex(Attrs->size()-1) <= FT->getNumParams()),
+ "Attributes after last parameter!", &F);
+
// Check function attributes.
- VerifyParamAttrs(FT, F.getParamAttrs(), &F);
+ VerifyParamAttrs(FT, Attrs, &F);
// Check that this function meets the restrictions on this calling convention.
switch (F.getCallingConv()) {
"Call parameter type does not match function signature!",
CS.getArgument(i), FTy->getParamType(i), I);
+ const ParamAttrsList *Attrs = CS.getParamAttrs();
+
+ Assert1(!Attrs ||
+ (Attrs->size() &&
+ Attrs->getParamIndex(Attrs->size()-1) <= CS.arg_size()),
+ "Attributes after last argument!", I);
+
// Verify call attributes.
- VerifyParamAttrs(FTy, CS.getParamAttrs(), I);
+ VerifyParamAttrs(FTy, Attrs, I);
+
+ if (Attrs && FTy->isVarArg())
+ // Check attributes on the varargs part.
+ for (unsigned Idx = 1 + FTy->getNumParams(); Idx <= CS.arg_size(); ++Idx) {
+ uint16_t Attr = Attrs->getParamAttrs(Idx);
+ uint16_t VArgI = Attr & ~ParamAttr::VarArgsCompatible;
+ Assert1(!VArgI, "Attribute " + Attrs->getParamAttrsText(VArgI) +
+ "cannot be used for vararg call arguments!", I);
+ }
visitInstruction(*I);
}