[PATCH] D124728: Allow pointer types for atomicrmw xchg

[Takafumi Arakaki via Phabricator via llvm-commits]

tkf updated this revision to Diff 426929.
tkf added a comment.

Add `TLI->shouldConvertAtomicRMWToIntegerType` so that each target can opt-out `convertAtomicXchgToIntegerType`.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D124728/new/

https://reviews.llvm.org/D124728

Files:
  llvm/docs/LangRef.rst
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/lib/AsmParser/LLParser.cpp
  llvm/lib/CodeGen/AtomicExpandPass.cpp
  llvm/lib/IR/Verifier.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.h
  llvm/test/Assembler/invalid-atomicrmw-xchg-must-be-integer-fp-or-pointer-type.ll
  llvm/test/Assembler/invalid-atomicrmw-xchg-must-be-integer-or-fp-type.ll
  llvm/test/Bitcode/compatibility.ll
  llvm/test/CodeGen/AArch64/atomicrmw-xchg-pointer.ll
  llvm/test/CodeGen/AMDGPU/flat_atomics_i64.ll
  llvm/test/CodeGen/AMDGPU/global_atomics_i64.ll
  llvm/test/CodeGen/AMDGPU/local-atomics64.ll
  llvm/test/CodeGen/X86/atomic64.ll
  llvm/test/Transforms/AtomicExpand/AArch64/expand-atomicrmw-xchg-pointer.ll
  llvm/test/Transforms/AtomicExpand/X86/expand-atomic-xchg-pointer.ll

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