[PATCH] D34983: Support placing switch tables in target-specific address spaces

[Dylan McKay via Phabricator via llvm-commits]

dylanmckay created this revision.
Herald added a subscriber: wdng.

In the AVR architecture, switch tables need to be placed into a special
'program memory' address space (id=1).

In order to support this, add a hook to `TargetTransformInfo` that
targets can override.

If there are any more suitable reviewers I couldn't think of, please add them :)


https://reviews.llvm.org/D34983

Files:
  include/llvm/Analysis/TargetTransformInfo.h
  include/llvm/Analysis/TargetTransformInfoImpl.h
  include/llvm/CodeGen/BasicTTIImpl.h
  lib/Analysis/TargetTransformInfo.cpp
  lib/Target/AVR/AVRTargetMachine.cpp
  lib/Target/AVR/AVRTargetMachine.h
  lib/Target/AVR/AVRTargetTransformInfo.h
  lib/Target/AVR/LLVMBuild.txt
  lib/Transforms/Utils/SimplifyCFG.cpp
  test/CodeGen/AVR/switch-lookup-table-in-progmem-space.ll

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