[PATCH] D155850: [Clang][CodeGen][RFC] Add codegen support for C++ Parallel Algorithm Offload

[Alex Voicu via Phabricator via cfe-commits]

AlexVlx updated this revision to Diff 549097.
AlexVlx added a comment.

Add support for handling certain cases of unambiguously accelerator unsupported ASM i.e. cases where constraints are clearly mismatched. When that happens, we instead emit an `ASM__stdpar_unsupported` stub which takes as its single argument the `constexpr` string value of the ASM block. Later, in the AcceleratorCodeSelection pass, if such a stub is reachable from an accelerator callable, we error out and print the offending ASM alongside the location.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D155850/new/

https://reviews.llvm.org/D155850

Files:
  clang/lib/CodeGen/BackendUtil.cpp
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/CodeGen/CGStmt.cpp
  clang/lib/CodeGen/CodeGenFunction.cpp
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/test/CodeGenStdPar/unannotated-functions-get-emitted.cpp
  clang/test/CodeGenStdPar/unsupported-ASM.cpp
  clang/test/CodeGenStdPar/unsupported-builtins.cpp

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