[PATCH] D21367: AMDGPU: Set amdgpu_kernel calling convention for OpenCL kernels.

[Nikolay Haustov via cfe-commits]

nhaustov created this revision.
nhaustov added reviewers: tstellarAMD, rsmith.
nhaustov added a subscriber: cfe-commits.
Herald added a subscriber: kzhuravl.

Extend CC field of FunctionType to 5 bits and ExtInfo to 10 bits
to make space for new calling convention.
Add new Clang calling convention CC_AMDGPUKernel.
Set calling convention CC_AMDGPUKernel in same place as SPIR target (see comment).
Update tests.

http://reviews.llvm.org/D21367

Files:
  include/clang/AST/Type.h
  include/clang/Basic/Specifiers.h
  lib/AST/ItaniumMangle.cpp
  lib/AST/Type.cpp
  lib/AST/TypePrinter.cpp
  lib/Basic/Targets.cpp
  lib/CodeGen/CGCall.cpp
  lib/CodeGen/CGDebugInfo.cpp
  lib/Sema/SemaType.cpp
  test/CodeGenOpenCL/amdgpu-calling-conv.cl
  test/CodeGenOpenCL/amdgpu-num-gpr-attr.cl
  tools/libclang/CXType.cpp

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