[all-commits] [llvm/llvm-project] 6c4d12: [IR] Do not combine ptrtoaddr and trunc

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6c4d121e7f963d1a53b5fa0aee8832f2b260248b
      https://github.com/llvm/llvm-project/commit/6c4d121e7f963d1a53b5fa0aee8832f2b260248b
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2025-10-21 (Tue, 21 Oct 2025)

  Changed paths:
    M llvm/lib/IR/Instructions.cpp
    A llvm/test/Transforms/InstCombine/ptrtoaddr.ll

  Log Message:
  -----------
  [IR] Do not combine ptrtoaddr and trunc

The ptrtoaddr result type is required to match the pointer address
width. This means that, unlikely with ptrtoint, it's not legal to
merge a ptrtoint and trunc. This previously resulted in an IR
verifier failure.



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