[all-commits] [llvm/llvm-project] bdd087: [clang][bytecode] Fix various issues with multidim...

[Timm Baeder via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bdd087023f02fb377302595bf7f61e9cae8adb71
      https://github.com/llvm/llvm-project/commit/bdd087023f02fb377302595bf7f61e9cae8adb71
  Author: Timm Baeder <tbaeder at redhat.com>
  Date:   2025-04-08 (Tue, 08 Apr 2025)

  Changed paths:
    M clang/lib/AST/ByteCode/Compiler.cpp
    M clang/lib/AST/ByteCode/Interp.h
    M clang/lib/AST/ByteCode/Pointer.h
    M clang/test/AST/ByteCode/arrays.cpp

  Log Message:
  -----------
  [clang][bytecode] Fix various issues with multidimensional arrays (#134628)

This issue is very convoluted, but in essence, in the new version:

For a Pointer P that points to the root of a multidimensional, primitive
array:

`P.narrow()` does nothing.
`P.atIndex(0)` points `P[0]`
`P.atIndex(0).atIndex(0)` is the same as `P.atIndex(0)` (as before)
`P.atIndex(0).narrow().atIndex(0)` points to `P[0][0]`
`P.atIndex(0).narrow().narrow()` is the same as `P.atIndex(0).narrow()`.



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