[clang] [AArch64] Refactor implementation of FP8 types (NFC) (PR #118969)

[Momchil Velikov via cfe-commits]

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@@ -4374,15 +4379,18 @@ ASTContext::getBuiltinVectorTypeInfo(const BuiltinType *Ty) const {
                                ElBits, NF)                                     \
   case BuiltinType::Id:                                                        \
     return {BFloat16Ty, llvm::ElementCount::getScalable(NumEls), NF};
+#define SVE_VECTOR_TYPE_MFLOAT(Name, MangledName, Id, SingletonId, NumEls,     \
+                               ElBits, NF)                                     \
+  case BuiltinType::Id:                                                        \
+    return {MFloat8Ty, llvm::ElementCount::getScalable(NumEls), NF};
 #define SVE_PREDICATE_TYPE_ALL(Name, MangledName, Id, SingletonId, NumEls, NF) \
   case BuiltinType::Id:                                                        \
     return {BoolTy, llvm::ElementCount::getScalable(NumEls), NF};
 #define AARCH64_VECTOR_TYPE_MFLOAT(Name, MangledName, Id, SingletonId, NumEls, \
                                    ElBits, NF)                                 \
   case BuiltinType::Id:                                                        \
-    return {getIntTypeForBitwidth(ElBits, false),                              \
-            llvm::ElementCount::getFixed(NumEls), NF};
-#define SVE_OPAQUE_TYPE(Name, MangledName, Id, SingletonId)
+    return {MFloat8Ty, llvm::ElementCount::getFixed(NumEls), NF};
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momchil-velikov wrote:

Again, this is under `AARCH64_VECTOR_TYPE_MFLOAT`, the element type is `__mfp8`.
It is not different from any of the cases above, none of which uses `SingletonId` (even if it may be possible).

https://github.com/llvm/llvm-project/pull/118969