Continue the work from r243908 by adding a Features field to Builtin::Info

so that we can populate it on a per-target basis with required features.

Future commits will start using this information for warnings.

llvm-svn: 244286

2 files changed, 9 insertions, 2 deletions

diff --git a/clang/include/clang/Basic/Builtins.h b/clang/include/clang/Basic/Builtins.h
index c5cf10ccf0f..554143d6be7 100644
--- a/clang/include/clang/Basic/Builtins.h
+++ b/clang/include/clang/Basic/Builtins.h
@@ -51,6 +51,7 @@ enum ID {
 struct Info {
   const char *Name, *Type, *Attributes, *HeaderName;
   LanguageID Langs;
+  const char *Features;
 };
 
 /// \brief Holds information about both target-independent and
@@ -166,6 +167,10 @@ public:
     return strchr(getRecord(ID).Attributes, 'e') != nullptr;
   }
 
+  const char *getRequiredFeatures(unsigned ID) const {
+    return getRecord(ID).Features;
+  }
+
 private:
   const Info &getRecord(unsigned ID) const;
 
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index d85e28b753e..993f48ded38 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -2001,8 +2001,10 @@ void AMDGPUTargetInfo::getGCCRegNames(const char * const *&Names,
 // Namespace for x86 abstract base class
 const Builtin::Info BuiltinInfo[] = {
 #define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES },
-#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) { #ID, TYPE, ATTRS, HEADER,\
-                                              ALL_LANGUAGES },
+#define LIBBUILTIN(ID, TYPE, ATTRS, HEADER)                                    \
+  { #ID, TYPE, ATTRS, HEADER, ALL_LANGUAGES },
+#define TARGET_BUILTIN(ID, TYPE, ATTRS, FEATURE)                               \
+  { #ID, TYPE, ATTRS, 0, ALL_LANGUAGES, FEATURE },
 #include "clang/Basic/BuiltinsX86.def"
 };