void visitGlobalVariable(const GlobalVariable &GV);
void visitGlobalAlias(const GlobalAlias &GA);
void visitAliaseeSubExpr(const GlobalAlias &A, const Constant &C);
- void visitAliaseeSubExpr(SmallPtrSet<const GlobalAlias *, 4> &Visited,
+ void visitAliaseeSubExpr(SmallPtrSetImpl<const GlobalAlias *> &Visited,
const GlobalAlias &A, const Constant &C);
void visitNamedMDNode(const NamedMDNode &NMD);
void visitMDNode(MDNode &MD, Function *F);
visitAliaseeSubExpr(Visited, GA, C);
}
-void Verifier::visitAliaseeSubExpr(SmallPtrSet<const GlobalAlias *, 4> &Visited,
+void Verifier::visitAliaseeSubExpr(SmallPtrSetImpl<const GlobalAlias*> &Visited,
const GlobalAlias &GA, const Constant &C) {
if (const auto *GV = dyn_cast<GlobalValue>(&C)) {
Assert1(!GV->isDeclaration(), "Alias must point to a definition", &GA);
"Attribute 'builtin' can only be applied to a callsite.", &F);
// Check that this function meets the restrictions on this calling convention.
+ // Sometimes varargs is used for perfectly forwarding thunks, so some of these
+ // restrictions can be lifted.
switch (F.getCallingConv()) {
default:
- break;
case CallingConv::C:
break;
case CallingConv::Fast:
case CallingConv::Cold:
- case CallingConv::X86_FastCall:
- case CallingConv::X86_ThisCall:
case CallingConv::Intel_OCL_BI:
case CallingConv::PTX_Kernel:
case CallingConv::PTX_Device:
- Assert1(!F.isVarArg(),
- "Varargs functions must have C calling conventions!", &F);
+ Assert1(!F.isVarArg(), "Calling convention does not support varargs or "
+ "perfect forwarding!", &F);
break;
}