[PATCH] D33448: [CodeGen] Add thumb-mode to function target-features for arm/thumb triples.

[Florian Hahn via Phabricator via cfe-commits]

fhahn created this revision.
Herald added subscribers: javed.absar, mehdi_amini, aemerson.

The thumb-mode target feature is used to force Thumb or ARM code
generation on a per-function basis. Explicitly adding +thumb-mode to
functions for thumbxx triples enables mixed ARM/Thumb code generation in
places where compilation units with thumbxx and armxx triples are merged
together (e.g. the IR linker or LTO).

      

For armxx triples, -thumb-mode is added.


https://reviews.llvm.org/D33448

Files:
  lib/CodeGen/TargetInfo.cpp
  test/CodeGen/arm-long-calls.c
  test/CodeGen/arm-no-movt.c
  test/CodeGen/arm-target-features.c
  test/CodeGen/arm-thumb-mode-target-feature.c

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