[CIR] Extract CIR_ClassCastOp base class for BaseClassAddrOp and DerivedClassAddrOp
Both ops have identical structure (arguments, results, assembly format)
and differ only in mnemonic and description. Extract a shared TableGen
base class to eliminate the duplication. Also improve the assembly format
to print nonnull before the operand and place the type after the offset.
[CostModel][X86] Update VECREDUCE MINMAX costs based off llvm-mca analysis (#199208)
Add full CostKinds, to improve a lot of reduction matching in
vectorcombine/slp passes
These are based off SMIN/UMIN numbers, and a few SMAX/UMAX numbers don't
always match, but are typically within +/-1
[CIR] Extract CIR_ClassCastOp base class for BaseClassAddrOp and DerivedClassAddrOp
Both ops have identical structure (arguments, results, assembly format)
and differ only in mnemonic and description. Extract a shared TableGen
base class to eliminate the duplication. Also improve the assembly format
to print nonnull before the operand and place the type after the offset.
[clang] Fix crash in getCursorRawComments.
Fix a regression introduced in PR #198452 where querying raw comments on invalid cursors caused a segmentation fault due to unconditional ASTContext lookup. Adding an early exit for unsupported cursor kinds at the top of getCursorRawComment safely avoids resolving the context on invalid cursors with null translation units.
