[PATCH] D77632: [TLI] Per-function fveclib for math library used for vectorization

[Wenlei He via Phabricator via cfe-commits]

wenlei created this revision.
Herald added subscribers: cfe-commits, dexonsmith, hiraditya.
Herald added a project: clang.
wenlei edited the summary of this revision.
wenlei added reviewers: tejohnson, hoyFB, spatel, gchatelet.

Encode `-fveclib` setting as per-function attribute so it can be threaded through to LTO backends. Accordingly, per-function TLI now reads the attribute and populated available vector function list based on that. Note that we expect functions within the same module to share `fveclib` setting, so vector function list is still shared between functions, as part of the shared `TargetLibraryInfoImpl`. Inlining between functions with different vect lib attribute is now blocked.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77632

Files:
  clang/lib/CodeGen/CGCall.cpp
  clang/test/CodeGen/libcalls-veclib.c
  llvm/include/llvm/Analysis/TargetLibraryInfo.h
  llvm/lib/Analysis/TargetLibraryInfo.cpp

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