[PATCH] D16591: Add backend dignostic printer for unsupported features

[Oliver Stannard via cfe-commits]

olista01 created this revision.
olista01 added reviewers: ast, sunfish, tstellarAMD.
olista01 added a subscriber: cfe-commits.
olista01 set the repository for this revision to rL LLVM.

The related LLVM patch adds a backend diagnostic type for reporting
unsupported features, this adds a printer for them to clang.

In the case where debug location information is not available, I've
changed the printer to report the location as the first line of the
function, rather than the closing brace, as the latter does not give the
user any information. This also affects optimisation remarks.

Repository:
  rL LLVM

http://reviews.llvm.org/D16591

Files:
  include/clang/Basic/DiagnosticFrontendKinds.td
  lib/CodeGen/CodeGenAction.cpp
  test/Frontend/optimization-remark-analysis.c
  test/Misc/backend-optimization-failure-nodbg.cpp

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