[PATCH] D17764: Add attributes for AMD GPU Tools

[Konstantin Zhuravlyov via cfe-commits]

kzhuravl-AMD created this revision.
kzhuravl-AMD added reviewers: arsenm, tstellarAMD.
kzhuravl-AMD added a subscriber: cfe-commits.

Add following kernel function attributes for AMD GPU Tools (debugger, profiler):
  - amdgpu_tools_insert_nops - insert two nop instructions for each high level source statement
  - amdgpu_tools_num_reserved_vgpr(<num>) - reserve <num> vector registers and do not use throughout kernel execution
  - amdgpu_tools_num_reserved_sgpr(<num>) - reserve <num> scalar registers and do not use throughout kernel execution

Also add similar options that cause to insert attributes for each kernel, options take precedence

+ Updated docs, added tests

http://reviews.llvm.org/D17764

Files:
  include/clang/Basic/Attr.td
  include/clang/Basic/AttrDocs.td
  include/clang/Driver/Options.td
  include/clang/Frontend/CodeGenOptions.def
  lib/CodeGen/CGCall.cpp
  lib/CodeGen/TargetInfo.cpp
  lib/Driver/Tools.cpp
  lib/Frontend/CompilerInvocation.cpp
  lib/Sema/SemaDeclAttr.cpp
  test/CodeGenOpenCL/amdgpu-tools-attrs-opts-precedence.cl
  test/CodeGenOpenCL/amdgpu-tools-attrs.cl
  test/CodeGenOpenCL/amdgpu-tools-opts.cl
  test/SemaOpenCL/amdgpu-tools-attrs.cl

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