================
@@ -127,13 +145,61 @@ ArgInfo AArch64TargetInfo::classifyArgumentType(
}
reportNYI("Aggregate argument type handling");
- return ArgInfo::getDirect();
+ return ArgInfo::getIgnore();
}
bool AArch64TargetInfo::passAsAggregateType(const Type *Ty) const {
// TODO: Handle SVE types. For now, they don't get through the type mapper.
return isAggregateTypeForABI(Ty);
}
+bool AArch64TargetInfo::isHomogeneousAggregateBaseType(const Type *Ty) const {
+ // Soft-float ABI: no types are homogeneous aggregates.
+ if (isSoftFloat())
+ return false;
+
+ // Homogeneous aggregates for AAPCS64 must have base types of a floating
+ // point type or a short-vector type.
+ if (Ty->isFloat())
+ return true;
+
+ if (const auto *VT = dyn_cast<VectorType>(Ty)) {
+ // TODO: Reject SVE fixed-length data/predicate vectors once the type
+ // mapper can express them.
+ uint64_t EltWidth = VT->getElementType()->getSizeInBits().getFixedValue();
+ uint64_t VecSize = std::max<uint64_t>(
+ 8, EltWidth * VT->getNumElements().getKnownMinValue());
+ if (VecSize & (VecSize - 1))
+ VecSize = alignTo(VecSize, bit_ceil(VecSize));
----------------
madhur13490 wrote:
Can be simplified using llvm::bit_ceil. This is now duplicated in two places.
Can have a shared helper.
https://github.com/llvm/llvm-project/pull/218799
_______________________________________________
cfe-commits mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
