diff options
| author | Douglas Gregor <dgregor@apple.com> | 2013-05-02 05:28:32 +0000 |
|---|---|---|
| committer | Douglas Gregor <dgregor@apple.com> | 2013-05-02 05:28:32 +0000 |
| commit | e87c5bd593b038baec7cfa6075f26cd0ac256042 (patch) | |
| tree | c08881eb344b06930e3dc130d3ff39f9f922e5f2 | |
| parent | 27200ad4a661ba04eafad67e4aaf5c7a1964e6d0 (diff) | |
Only evaluate __has_feature(c_thread_local) and __has_feature(cxx_thread_local) true when the target supports thread-local storage.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180909 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Lex/PPMacroExpansion.cpp | 6 | ||||
| -rw-r--r-- | test/Lexer/has_feature_cxx0x.cpp | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp index 9a530c6801..e5b00d6bb8 100644 --- a/lib/Lex/PPMacroExpansion.cpp +++ b/lib/Lex/PPMacroExpansion.cpp @@ -751,7 +751,8 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) { .Case("c_atomic", LangOpts.C11) .Case("c_generic_selections", LangOpts.C11) .Case("c_static_assert", LangOpts.C11) - .Case("c_thread_local", LangOpts.C11) + .Case("c_thread_local", + LangOpts.C11 && PP.getTargetInfo().isTLSSupported()) // C++11 features .Case("cxx_access_control_sfinae", LangOpts.CPlusPlus11) .Case("cxx_alias_templates", LangOpts.CPlusPlus11) @@ -783,7 +784,8 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) { .Case("cxx_rvalue_references", LangOpts.CPlusPlus11) .Case("cxx_strong_enums", LangOpts.CPlusPlus11) .Case("cxx_static_assert", LangOpts.CPlusPlus11) - .Case("cxx_thread_local", LangOpts.CPlusPlus11) + .Case("cxx_thread_local", + LangOpts.CPlusPlus11 && PP.getTargetInfo().isTLSSupported()) .Case("cxx_trailing_return", LangOpts.CPlusPlus11) .Case("cxx_unicode_literals", LangOpts.CPlusPlus11) .Case("cxx_unrestricted_unions", LangOpts.CPlusPlus11) diff --git a/test/Lexer/has_feature_cxx0x.cpp b/test/Lexer/has_feature_cxx0x.cpp index d68675afcf..0b7cbd15e0 100644 --- a/test/Lexer/has_feature_cxx0x.cpp +++ b/test/Lexer/has_feature_cxx0x.cpp @@ -1,5 +1,6 @@ -// RUN: %clang_cc1 -E -std=c++11 %s -o - | FileCheck --check-prefix=CHECK-0X %s -// RUN: %clang_cc1 -E %s -o - | FileCheck --check-prefix=CHECK-NO-0X %s +// RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++11 %s -o - | FileCheck --check-prefix=CHECK-0X %s +// RUN: %clang_cc1 -E -triple armv7-apple-darwin -std=c++11 %s -o - | FileCheck --check-prefix=CHECK-NO-TLS %s +// RUN: %clang_cc1 -E -triple x86_64-linux-gnu %s -o - | FileCheck --check-prefix=CHECK-NO-0X %s #if __has_feature(cxx_atomic) int has_atomic(); @@ -290,3 +291,4 @@ int no_thread_local(); // CHECK-0X: has_thread_local // CHECK-NO-0X: no_thread_local +// CHECK-NO-TLS: no_thread_local |