[PATCH] D50783: [CodeGen] Merge identical block descriptor global variables

[Akira Hatanaka via Phabricator via cfe-commits]

ahatanak updated this revision to Diff 161137.
ahatanak added a comment.

Try harder to shorten the names of block descriptor global variables.

The strings extracted from the names of the copy and dispose helpers are merged whenever it is possible to do so. The block layout string doesn't include information about `__strong`, `__weak`, or byref captures unless the copy/dispose helpers are missing.


Repository:
  rC Clang

https://reviews.llvm.org/D50783

Files:
  lib/CodeGen/CGBlocks.cpp
  lib/CodeGen/CGBlocks.h
  lib/CodeGen/CGObjCMac.cpp
  lib/CodeGen/CGObjCRuntime.h
  test/CodeGenCXX/blocks.cpp
  test/CodeGenObjC/arc-blocks.m
  test/CodeGenObjC/arc-captured-32bit-block-var-layout-2.m
  test/CodeGenObjC/fragile-arc.m
  test/CodeGenObjC/noescape.m

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