[all-commits] [llvm/llvm-project] d01533: [InstCombine]PtrReplacer: Correctly handle select ...

[Pierre van Houtryve via All-commits]

  Branch: refs/heads/users/pierre-vh/fix-select-ptrreplace
  Home:   https://github.com/llvm/llvm-project
  Commit: d01533ac8cb6acc06b3321ca772fba407983f420
      https://github.com/llvm/llvm-project/commit/d01533ac8cb6acc06b3321ca772fba407983f420
  Author: pvanhout <pierre.vanhoutryve at amd.com>
  Date:   2025-07-15 (Tue, 15 Jul 2025)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
    A llvm/test/Transforms/InstCombine/AMDGPU/ptr-replacer-select-addrspacecast-crash.ll

  Log Message:
  -----------
  [InstCombine]PtrReplacer: Correctly handle select with unavailable operands

The testcase I added previously failed because a SelectInst with invalid operands was created (one side `addrspace(4)`, the other `addrspace(5)`).
PointerReplacer needs to dig deeper if the true and/or false instructions of the select are not available.

Fixes SWDEV-542957



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