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authorDavid Majnemer <david.majnemer@gmail.com>2015-11-05 01:01:47 +0000
committerDavid Majnemer <david.majnemer@gmail.com>2015-11-05 01:01:47 +0000
commit7cdb53900ad540406dd667e03fe3ff037f621d99 (patch)
treee8bcdcdcc14771732e6f36cf05a26e17ef281978 /lib/Lex/PPMacroExpansion.cpp
parent72617428e768e273850d5bfdf637d0b63e79b229 (diff)
[Lex] Add __has_builtin support for __make_integer_seq
Differential Revision: http://reviews.llvm.org/D14349 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@252115 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Lex/PPMacroExpansion.cpp')
-rw-r--r--lib/Lex/PPMacroExpansion.cpp10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index d8d6b0b90d..40b5496ad7 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -1636,7 +1636,15 @@ void Preprocessor::ExpandBuiltinMacro(Token &Tok) {
Value = FeatureII->getTokenID() == tok::identifier;
else if (II == Ident__has_builtin) {
// Check for a builtin is trivial.
- Value = FeatureII->getBuiltinID() != 0;
+ if (FeatureII->getBuiltinID() != 0) {
+ Value = true;
+ } else {
+ const LangOptions &LangOpts = PP.getLangOpts();
+ StringRef Feature = FeatureII->getName();
+ Value = llvm::StringSwitch<bool>(Feature)
+ .Case("__make_integer_seq", LangOpts.CPlusPlus)
+ .Default(false);
+ }
} else if (II == Ident__has_attribute)
Value = hasAttribute(AttrSyntax::GNU, nullptr, FeatureII,
getTargetInfo(), getLangOpts());