[all-commits] [llvm/llvm-project] c02724: SelectionDAG: Don't pad the source of ADDRSPACECAS...

[sujianIBM via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c02724354985f8326d1cee4d5c491b71514ea485
      https://github.com/llvm/llvm-project/commit/c02724354985f8326d1cee4d5c491b71514ea485
  Author: sujianIBM <Jian.Su at ibm.com>
  Date:   2026-09-22 (Tue, 22 Sep 2026)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
    M llvm/test/CodeGen/SystemZ/mixed-ptr-sizes.ll

  Log Message:
  -----------
  SelectionDAG: Don't pad the source of ADDRSPACECAST if it's legal. (#225390)

With this use case `%out = addrspacecast <2 x ptr> %in to <2 x ptr
addrspace(1)>` on z/OS, the res type is `v2i32` (illegal) and the source
type is `v2i64` (legal).
Padding the source up to `v4i64` makes it illegal on z/OS and breaks the
type legalization.



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications