[PATCH] D46476: [HIP] Add action builder

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl created this revision.
yaxunl added reviewers: rjmccall, tra.

To support separate compile/link and linking across device IR in different source files,
a new HIP action builder is introduced. Basically it compiles/links host and device
code separately, and embed fat binary in host linking stage through link script.


https://reviews.llvm.org/D46476

Files:
  lib/Driver/Driver.cpp
  test/Driver/cuda-phases.cu

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