================
@@ -67,7 +77,7 @@ ArgInfo AArch64TargetInfo::classifyReturnType(const Type
*RetTy,
if (RetTy->isVector()) {
----------------
madhur13490 wrote:
Changing the unsupported-vector result from `Direct` to `Ignore` also
changes legal 64-bit and 128-bit vector returns and arguments, which
Clang classifies as `Direct`. This is not merely a more visible failure:
release builds produce a different function signature, while the debug
parity check detects a mismatch.
Could the `Ignore` change be limited to unsupported aggregates, while
legal top-level vectors remain `Direct`? The same issue occurs in the
argument path at lines `116-118`.
https://github.com/llvm/llvm-project/pull/218799
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