================
@@ -4689,6 +4704,7 @@ class FunctionType : public Type {
struct alignas(void *) FunctionTypeArmAttributes {
/// Any AArch64 SME ACLE type attributes that need to be propagated
/// on declarations and function pointers.
+ LLVM_PREFERRED_TYPE(uint16_t)
----------------
AaronBallman wrote:
The preferred type attribute is for debugger behavior when the debugger would
otherwise not show you helpful type information (e.g., the bit-field is
`unsigned` but it holds an enumeration value). In this case,
`AArch64SMETypeAttributes` might be more appropriate, but that enumeration is a
bit mask and so maybe we don't need any preferred type at all? CC @Endilll for
expertise on that.
https://github.com/llvm/llvm-project/pull/141846
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