[ARROW-17775] [C++] LLVM deprecation errors when building Gandiva

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Duplicate
• Component/s: C++, C++ - Gandiva, Continuous Integration
• External issue URL: https://github.com/apache/arrow/issues/33003
• Assignee: Jin Shang
• Reporter: Antoine Pitrou
• Created: 19/Sep/22 18:25
• Updated: 11/Jan/23 11:55
• Resolved: 22/Sep/22 08:48

Description

This just appeared on an unrelated PR:

https://github.com/apache/arrow/actions/runs/3084066139/jobs/4985765033#step:9:1694

In file included from /Users/runner/work/arrow/arrow/cpp/src/gandiva/cast_time.cc:25:
In file included from /Users/runner/work/arrow/arrow/cpp/src/gandiva/exported_funcs.h:20:
In file included from /Users/runner/work/arrow/arrow/cpp/src/gandiva/exported_funcs_registry.h:23:
In file included from /Users/runner/work/arrow/arrow/cpp/src/gandiva/engine.h:29:
/Users/runner/work/arrow/arrow/cpp/src/gandiva/llvm_includes.h:49:62: error: 'getPointerElementType' is deprecated: Deprecated without replacement, see https://llvm.org/docs/OpaquePointers.html for context and migration instructions [-Werror,-Wdeprecated-declarations]
  return builder->CreateGEP(Ptr->getType()->getScalarType()->getPointerElementType(), Ptr,
                                                             ^
/usr/local/opt/llvm/include/llvm/IR/Type.h:377:5: note: 'getPointerElementType' has been explicitly marked deprecated here
  [[deprecated("Deprecated without replacement, see "
    ^

Issue Links

• is fixed by: ARROW-17790 [C++][Gandiva] Adapt to LLVM opaque pointer
• is superceded by: ARROW-17790 [C++][Gandiva] Adapt to LLVM opaque pointer