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| author | David Majnemer <david.majnemer@gmail.com> | 2014-02-09 05:30:48 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-02-09 05:30:48 +0000 |
| commit | 158ba130eec9997716b22bdf2bfe476d9f73104a (patch) | |
| tree | 0e518abb7dd34a9f327040560a43faeff97ef763 /clang/lib/Frontend/InitPreprocessor.cpp | |
| parent | d1fc17b931dac5f02baf9400000e44840c2bd5ba (diff) | |
| download | bcm5719-llvm-158ba130eec9997716b22bdf2bfe476d9f73104a.tar.gz bcm5719-llvm-158ba130eec9997716b22bdf2bfe476d9f73104a.zip | |
Preprocessor: Add __ALIGNOF_MAX_ALIGN_T__
TargetInfo::getSuitableAlign() was introduced in r146762 and is defined
as alignof(std::max_align_t).
Introduce __ALIGNOF_MAX_ALIGN_T__ which exposes getSuitableAlign() so
that libc++ may take advantage of it.
llvm-svn: 201037
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index 39c474b82df..7b3166da081 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -600,6 +600,9 @@ static void InitializePredefinedMacros(const TargetInfo &TI, DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder); DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder); + Builder.defineMacro("__ALIGNOF_MAX_ALIGN_T__", + Twine(TI.getSuitableAlign() / TI.getCharWidth())); + DefineFloatMacros(Builder, "FLT", &TI.getFloatFormat(), "F"); DefineFloatMacros(Builder, "DBL", &TI.getDoubleFormat(), ""); DefineFloatMacros(Builder, "LDBL", &TI.getLongDoubleFormat(), "L"); |
