return Ins[0].Flags.isSRet();
}
-/// IsCalleePop - Determines whether the callee is required to pop its
-/// own arguments. Callee pop is necessary to support tail calls.
-bool X86TargetLowering::IsCalleePop(bool IsVarArg,
- CallingConv::ID CallingConv) const {
- if (IsVarArg)
- return false;
-
- switch (CallingConv) {
- default:
- return false;
- case CallingConv::X86_StdCall:
- return !Subtarget->is64Bit();
- case CallingConv::X86_FastCall:
- return !Subtarget->is64Bit();
- case CallingConv::X86_ThisCall:
- return !Subtarget->is64Bit();
- case CallingConv::Fast:
- return GuaranteedTailCallOpt;
- case CallingConv::GHC:
- return GuaranteedTailCallOpt;
- }
-}
-
/// CCAssignFnForNode - Selects the correct CCAssignFn for a the
/// given CallingConvention value.
CCAssignFn *X86TargetLowering::CCAssignFnForNode(CallingConv::ID CC) const {
}
// Some CCs need callee pop.
- if (IsCalleePop(isVarArg, CallConv)) {
+ if (Subtarget->IsCalleePop(isVarArg, CallConv)) {
FuncInfo->setBytesToPopOnReturn(StackSize); // Callee pops everything.
} else {
FuncInfo->setBytesToPopOnReturn(0); // Callee pops nothing.
// Create the CALLSEQ_END node.
unsigned NumBytesForCalleeToPush;
- if (IsCalleePop(isVarArg, CallConv))
+ if (Subtarget->IsCalleePop(isVarArg, CallConv))
NumBytesForCalleeToPush = NumBytes; // Callee pops everything
else if (!Is64Bit && !IsTailCallConvention(CallConv) && IsStructRet)
// If this is a call to a struct-return function, the callee