[PATCH] D90367: [darwin] add support for __isPlatformVersionAtLeast check for if (@available)

[Alex Lorenz via Phabricator via cfe-commits]

arphaman created this revision.
arphaman added reviewers: thakis, dexonsmith.
Herald added subscribers: Sanitizers, ributzka, dmgreen, jkorous.
Herald added projects: clang, Sanitizers.
arphaman requested review of this revision.

The __isPlatformVersionAtLeast routine is an implementation of `if (@available)` check
that uses the _availability_version_check API on Darwin that's supported on
macOS 10.15, iOS 13, tvOS 13 and watchOS 6.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D90367

Files:
  clang/lib/CodeGen/CGExprScalar.cpp
  clang/lib/CodeGen/CGObjC.cpp
  clang/lib/CodeGen/CodeGenFunction.h
  clang/lib/CodeGen/CodeGenModule.h
  clang/test/CodeGenObjC/availability-cf-link-guard.m
  clang/test/CodeGenObjC/availability-check.m
  compiler-rt/lib/builtins/os_version_check.c
  compiler-rt/test/builtins/TestCases/Darwin/platform_version_check_test.c

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