[all-commits] [llvm/llvm-project] 309e41: [DAG] Add test coverage for Issue #66603

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 309e41dd1358cc61027358afa861ecb06b1942c9
      https://github.com/llvm/llvm-project/commit/309e41dd1358cc61027358afa861ecb06b1942c9
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-10-19 (Thu, 19 Oct 2023)

  Changed paths:
    A llvm/test/CodeGen/AArch64/pr66603.ll
    A llvm/test/CodeGen/RISCV/pr66603.ll

  Log Message:
  -----------
  [DAG] Add test coverage for Issue #66603


  Commit: 8505c3b15bfc535ff6624e71add4082680745187
      https://github.com/llvm/llvm-project/commit/8505c3b15bfc535ff6624e71add4082680745187
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-10-19 (Thu, 19 Oct 2023)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/test/CodeGen/AArch64/pr66603.ll
    M llvm/test/CodeGen/RISCV/pr66603.ll
    M llvm/test/CodeGen/RISCV/rv64zbb.ll

  Log Message:
  -----------
  [DAG] canCreateUndefOrPoison - remove AssertSext/AssertZext assumption that they never create undef/poison

We need to assume that we generate poison if the assertions failed

Fixes #66603


Compare: https://github.com/llvm/llvm-project/compare/93373c3da941...8505c3b15bfc