[PATCH] D26196: Add support for non-zero null pointer for C and OpenCL

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl updated this revision to Diff 80485.
yaxunl marked an inline comment as done.
yaxunl added a comment.

Revised by John's comments.

Changed Ptr in function names to Pointer.
Added TargetCodeGenInfo::performAddrSpaceCast.
Fixed folding addrspacecast of null pointer with side effect and added a test.


https://reviews.llvm.org/D26196

Files:
  include/clang/AST/APValue.h
  include/clang/AST/ASTContext.h
  include/clang/Basic/TargetInfo.h
  lib/AST/APValue.cpp
  lib/AST/ASTContext.cpp
  lib/AST/ExprConstant.cpp
  lib/Basic/Targets.cpp
  lib/CodeGen/CGDecl.cpp
  lib/CodeGen/CGExprAgg.cpp
  lib/CodeGen/CGExprConstant.cpp
  lib/CodeGen/CGExprScalar.cpp
  lib/CodeGen/CodeGenModule.h
  lib/CodeGen/CodeGenTypes.cpp
  lib/CodeGen/CodeGenTypes.h
  lib/CodeGen/TargetInfo.cpp
  lib/CodeGen/TargetInfo.h
  test/CodeGenOpenCL/amdgpu-nullptr.cl

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