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[Support][Compiler] Add LLVM_HAS_VARIADIC_TEMPLATES.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174913 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer 2013-02-11 22:51:07 +00:00
parent b4b4fa80ba
commit 86f18eb0b3
1 changed files with 10 additions and 0 deletions
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10
include/llvm/Support/Compiler.h
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@ -71,6 +71,16 @@
#define LLVM_HAS_CXX11_STDLIB 0
#endif
/// \macro LLVM_HAS_VARIADIC_TEMPLATES
/// \brief Does this compiler support variadic templates.
///
/// Implies LLVM_HAS_RVALUE_REFERENCES and the existence of std::forward.
#if __has_feature(cxx_variadic_templates)
# define LLVM_HAS_VARIADIC_TEMPLATES 1
#else
# define LLVM_HAS_VARIADIC_TEMPLATES 0
#endif
/// llvm_move - Expands to ::std::move if the compiler supports
/// r-value references; otherwise, expands to the argument.
#if LLVM_HAS_RVALUE_REFERENCES